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remot 25 0 ml of water is poured into a pop can. It is then heated. When it boils, it is iemoved from the heat and turned upside down into a beaker of cold water. The can then implodes (is crushed). Explain why this happens. 33. About T: 3 MARK; C: 2 MARK] 34. Assuming that gases behave ideally, if the temperature is 280Â°C with a pressure of 100.5 kPa, and 15.0 g of ammonium nitrate (NHNO,) decomposes what is the total volume of gas produced? (Hint: ammonium nitrate decomposes into nitrogen, hydrogen, and oxygen gas) [A: 4 MARK] A 1L steel tank is fitted with a safety valve that opens if the internal pressure exceeds 1.00 x 101 torr. It is filled with helium at 23Â°C and 0.991 atm and placed in boiling water at exactly 100Â°C. Will the safety valve open? (Hint: 760 torr 1 atm) 35. IT: 5 MARK] Solution Ans 33 : When the can was heated , the water inside boils and it pushes the air inside the can outside and itself gets converted into water vapour. Now when this can with water vapour is inverted over beaker of cold water the vapour condenses and a partial vaccum is created inside the can. This causes the pressure on inside the can lower than that of external pressure . The difference is more than the can can bear so it crashes. .

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Introductory Aocounting u 2014 1. Managerial information: accounting mainly by external users. B. Involves gathering information about costs for planning and control decisions. is generally the only accounting information available to managers. Can be used for control purposes but not for planning purposes. D. E. Has little to do with controlling costs. 2. Continuous improvement: A. Ls a measure of profits. measure of costs. C. Rejects the notion of \"good enough\". D. Is not applicable to most businesses. E. Is possible only in service businesses. is more 3. Managerial accounting is different from in that: financial accounting A. accounting is more focused on the organization as a whole and focused on subdivisions of the organization. B. Managerial accounting never includes nonmonetary information. financial accounting has a accounting includes many projections and estimates whereas by minimum of predictions. financial accounting is used only D. Managerial accounting is used extensively by investors, whereas creditors. used to set stock prices. E. Managerial accounting is mainly 4. An opportunity cost is: A. An uncontrollable cost. B. A cost of potential benefit lost. C. A change in the cost of a component. D. A direct cost. E. A sunk cost. 5. Costs that are first assigned to inventory are called: A. Period costs. B. Product costs. C. General costs. D. Administrative costs. E. Fixed costs. Solution 1. B 2 C 3 A 4 B 5A 6B 7 B 8A 9D 10 A 11 D 12 A 13 C 14 B 15 D 16 D .

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Introduction to Java Programming 10th ed **25.4 ( Implement preorder traversal without using recursion ) Implement the preorder method in BST using a stack instead of recursion. Write a test program that prompts the user to enter 10 integers, stores them in a BST, and invokes the preorder method to display the elements. Solution package info.codeaddict.blog.tree.binary; import java.util.LinkedList; import java.util.Queue; /** * @author codeaddict.info */ public class PreOrderWithoutRecursion implements Traversal { @Override public void traverse(BinaryTree.Node root) { Queue queue = new LinkedList<>(); pushAllLeft(queue, root); while (!queue.isEmpty()) { BinaryTree.Node node = queue.poll(); System.out.println(node.value()); pushAllLeft(queue, node.right()); } } private void pushAllLeft(Queue queue, BinaryTree.Node node) { while (node != null) { queue.add(node); node = node.left(); } } } .

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Indicate the functions of the agent process in a network operating system? Solution Answer: In a network operating system, an agent process is involved in the following: 1. In interpreting user commands 2. In deciding whether to allow entry of an host to network services or not. 3. To maintain database of relations among user, remote host and task. For example, information about hosts to which access is allowed for each user, log-in details, nature of allowed tasks etc. 4. In file management including allowing access to files to users as per their authorization at remote hosts. 5. In mapping the textual host name to host address. 6. In maintaing its own directory structure. 7. In maintaining a fixed set of files, common uitlity procedures etc. available to the users of network. 8. May hide file naming and other local conventions from remote user, if required. 9. May provide an environment in which a directory entry can be made for all remote files being accessed by each interested user. .

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Interpretation 102-4 in the AICPA Code of Professional Conduct calls for differences of opinion between the controller and CFO to be first taken up with: the CEO. the board of directors. the external auditors. the SEC. Solution According to AICPA guideline code 102-4 requires that any financial interpretation should be made in such a manner that it does not represent misstatement of fact. In this connection very often differences in the opinion is observed among two or more members. such difference can be solved in the followng manner: 1. Members will sit together and discuss among themselves on the issue. If it is observed that interpretation properly reflect the fact without any misinterpretation and higher authority is of the same view, then it will be accepted. No changes are required. 2. If members are doubted on these points, then it should be referred to next higher authority. That authority must be within the organization. In this problem difference in opinion has been observed between controller and chief financial officers. They belong to middle level.There next higher authority is members of board of directors. External auditors or SEC are not belonging to the organization. They are outside authority. Chief financial officer is responsible for financial planning, record keeping andreporting to higher authority. He is directly responsible to Chief executive officer or President of the company. Thus in this case difference of opinion should be first taken up with CEO. Thereafter if required, it can be taken up with board of Directors. Answer: Thus correct answer is CEO. .

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internet domain names are linked to trademark issues. Technology makes it easy to copy and distribute musiceand movies without paying royalties. Business conducted on the internet raise security and privacy issues. What legal concerns are raised by these issues? Solution Companies that are solely based on the internet to generate traffic and revenues are faced with an extraordinary amount of breaches. Copying and distributing violates many known laws such as property rights, copy right infringements, as well as many types of torts. Equally important is a breach of the system itself. This breach can and may cause numerous violations putting this company in non-compliance regarding federal codes and state statues. For example, if servers are accessed through an unauthorized fashion, the data stored within may be stolen, compromising property of the company as well as the copyrights to the original owners of that data. The major concerns that currently plague all internet functioning companies are unauthorized access to their networking infrastructure. Such access will greatly affect the company .

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Internet network management framework as consisting of three major parts: MIB, SMI, SNMP. To what extent do you believe this constitutes a framework? Are additional parts needed? Why isnâ€™t ASN.1 considered part of the framework? Solution In my opinion there major parts of the network management framework can be considered a framework because each serves as a component within the network itself, with this said there are no other parts needed. ASN.1, or abstract syntax notation 1, serves as a base for the SMI, SMI has an ample amount of data types to be thought of as a separate entity. SMI(structure of management Information) This is a format used to define operations and variables related to objects in the MIB. SMI is more of a language then a structure and it is a language used to define the management information. A cogent language is needed to ensure that data is not vague. SNMP(Simple Network Management Protocol.) SNMP is a protocol used to manage the management communications between devices. This is the short version of SNMP in any case ASN.1(Abstract Syntax Notation One) Is \". ..a standard and notation that describes rules and structures for representing, encoding, transmitting, and decoding data in telecommunications and computer networking ASN.1 not considered part of the framework: ASN.1 for SNMP, the group responsible for SNMP deviated from ASN.1 in various ways which make it impossible for general purpose ASN.1 Tools to fully handle SNMP MIBs. They not only use the withdrawn ASN.1 MACRO notation, but use it in such a way that even ASN.1 Tools which still support the obsolete ASN.1 MACRO notation cannot properly handle the MIB definitions. You need a special tool created specifically for SNMP MIBs to fully parse and handle them properly .

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Internet Programming ORM This question uses the following two model class in Django: class Shape(models.Model): description = models.CharField(max_length=50) class Length(models.Model): picas = models.IntegerField() the_shape = models.ForeignKey(Shape) Write the code that will add up the \'picas\' in all of the Length objects into a variable named sum Solution from django.contrib.gis.db import models class Shape(models.Model): shape_id = models.CharField(max_length=255) geopoint = models.PointField() pt_sequence = models.IntegerField() dist_traveled = models.FloatField(null=True, blank=True) objects = models.GeoManager() class Length(models.Model): picas = models.IntegerField() the_shape = models.ForeignKey(Shape) trip_id = models.CharField(max_length=255, unique=True) headsign = models.TextField(null=True, blank=True) direction = models.ForeignKey(Direction, null=True, blank=True) block = models.ForeignKey(Block, null=True, blank=True) shape_id = models.CharField(max_length=255, null=True, blank=True) .

Internet Programming ORM This question uses the following two model cl.docx

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international ECO 305 course. how does culture embrace globalization and the economy ??? Solution Globalization continues to be a divisive subject among political activists, academics, business leaders, and policymakers. Some look at the rapid economic and political changes taking place around the world and see injustice. Others observe these same changes and see progress. On both sides of the debate, however, much of the discussion takes place among elites. What do average citizens around the world think about the powerful global forces transforming their societies? Survey research suggests that most people embrace the idea of a globalized world, albeit cautiously. The main economic premises of globalization are generally accepted in regions throughout the world. People tend to believe their countries will benefit from trade, free enterprise, and investment by foreign companies. These views are especially common in many of the world .

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International business is conducted outside of the home country. Nations represent cultural diversity, with unique values, metaphors, stereotypes, idioms and language. How will you deal with people from another country? How will you function effectively when visiting countries with distinctive cultures, such as Mexico, China, Russia, Japan, or Switzerland? Solution There is no culture-free theory of management. Managing other people is the responsibility of people who, like everyone else, have been enculturated and socialized into a cultural set of values and beliefs that governs their thinking, emotions, and behaviors. Like communication, management is culture bound. Moreover, managerial perceptions regarding the factors that lead to organizational success vary across cultures. Unfortunately, many U.S. managers are ill equipped to handle overseas assignments. In fact, roughly 40% to 50% of all U.S. managers sent abroad receive no formal cross-cultural training. As a result, up to 40% of overseas assignments are unsuccessful. Although fostering competent intercultural managerial skills represents an enormous challenge, the rewards of successful international commerce are extraordinary. Professor Philip Rosenzweig of Harvard University argues that successful cross-cultural management depends on the abilities of managers to communicate effectively. Rosenzweig points out that communication is especially important during the initial stages of a business relationship. Depending on the culture, the process of building trust among business partners may take days, weeks, or even months. Moreover, Rosenzweig asserts, this process cannot be accelerated. Rosenzweig recognizes that many American managers prefer to .

International business is conducted outside of the home country- Natio.docx

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Intermolecular Interactions Crystalline Solids K14 of 19 Part A Classify these solids as molecular, ionic, or atomic Drag each item to the appropriate bin, View Available Hint(s) Reset Help Atomic solids Molecular solds lonic solids Submit PreYiouS Answ X Incorrect, Try Again: 4 attempts remaining Part B This quesion wis be shown after you complete previous questons Solution ATOMIC SOLIDS ---- Xe, Au, S are atomic solids. out of these XENON IS NONPOLAR ATOMIC SOLID. DISPERSIVE FORCES ARE TYPE OF INTERACTIONS BETWEEN ATOMS OF XENON IN THIS SOLID. in solid carbon dixode also there exists dispersive forces. Non polar dispersive forces are also called as LONDON FORCES( DIPOLE - INDUCED DIPOLE INTERACTIONS) Au IS METAALIC SOLID AND METALLIC BONDING EXISTS IN BETWEEN ITS ATOMS. SULPHUR IS NON METALLIC. THERE IS COVALENT NET WORK EXISTS IN HTE ATOMS OF SULPHUR, CATENATION IS OBSERVED INSULPHUR. UPTO 8 SULPHUR ATOMS COMBINE IN COVALENT NET WORKING . WE KNOW A CROWN SHAAPED STRUCURE FOR SULPHR. MOLECULAR SOLIDS------ CO 2 , C 30 H 16 O ARE MOLECULAR SOLIDS IN WHICH COVALENT BONDING EXISTS BETWEEN MOLECULS OF THE COMPOUND. IONIC SOLIDS-------- KI, BaCl 2 , CuS are ionic solids THESE ARE MOLECULAR SOLIDS IN WHICH COULOMBIC ELECTROSTATIC FORCES OF ATTRACTION EXISTS IN BTWEEN SPECIES OF THE IONIC SPLID. These are best conductors of electricity in molten or aqueous state. .

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Integrative Problems equire the integration of multiple concepts to find the solutions. 187. A 2.14-g sample of sodium hypoiodite is dissolved in water make 1.25 L of solution. The solution pH is 11.32. What is Kp for the hypoiodite ion? Solution molarity = W/G.M.Wt * volume of solution in L = 2.14/165.893*1.25 = 0.0103M NaIO(aq) ---------> Na^+ (aq) + IO^- (aq) 0.0103M 0.0103M PH = 11.32 POH = 14-PH = 14-11.32 =2.68 POH = 2.68 -log[OH^-] = 2.68 [OH^-] = 10^-2.68 = 0.00209M IO^- (aq) + H2O ----------> HIO(aq) + OH^- I 0.0103 0 0 C -0.00209 0.00209 0.00209 E 0.00821 0.00209 0.00209 Kb = [HIO][OH^-]/[IO^-] = 0.00209*0.00209/0.00821 = 0.00053 Kb of hypoiodite ion = 5.3*10^-4 >>>>answer .

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Insight Communications Promotes employees with good technical skills into supervisory positions and then teaches them leadership skills.Is this the vst way for the company to get supervisors to lead well?Why and why not Solution This is the best way for the company to get supervisors to lead well. 1) This is because the already skilled employees of the comapany are turned into supervisors. 2) They have a know-how of how work is done in the company. 3) They have better rapport(communications ) with other employess. If instead of this a supervisor is hired as a completly new employee, he will then only have the leadership and management skills. He won\'t have technical skills like an internal employee of the company. This is a major demerit because a person is supervising othe employees who dosen\'t know about the technical work the employees are doing. How can he supervise them? 4) They have a technical know-how. 5) the will cost the company less to convert alredy existing staff to supervisor tha to hire a new one .

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Infrared radiation is also called IR. Describe how it is different from visible light. What emits IR? Can animals use it? Explain how emission of IR sometimes â€œwastesâ€ energy. Give examples showing how IR is used in modern technology. Solution Infrared Radiation consists of electromagnetic waves with wavelengths ranging from 700 nm to 1 mm. These radiations cannot be detected by human eye. On the other hand, visible light consists of electromagnetic waves ranging from 380 nm to 700 nm. These radiations can be detected by human eye. IR are also known as thermal radiations. All objects emit and absorb IR. The hotter the object, the more IR it will emit. Dark surfaces are good emitters of IR. Some animals have the ability to sense IR, known as IR vision. These animals have specialised IR sensing organs known as pit organs. For example: snake, mosquitoes, bed bugs and vampire bats are kind of animals that uses IR sensing to track their prey or any potential danger approaching them. Infrared radiations are associated with thermal energy. In most of the devices, emission of thermal energy is waste of energy. For example: a light bulb generates heat along with light energy on passage of electricity. Now this heat energy is not a useful energy and gets wasted in the environment. Use of IR in Modern technology: 1. It is used in heat sensitive thermal imaging cameras. They are used to study heat patterns of humans and animals. They are also used as night cameras. 2. IR is used in gas monitoring and analyzing systems. These systems are used for testing air samples to see what gases are contained in that sample. 3. It is used in thermal imaging and thermal motion detection. Thermal imaging is used by firefighters to see where a burning building is too hot to safely enter. Thermal imaging is used for space imaging and to know the temperature of distant stars. .

Infrared radiation is also called IR- Describe how it is different fro (1).docx

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Infrared radiation is also called IR. Describe how it is different from visible light. What emits IR? Can animals use it? Explain how emission of IR sometimes â€œwastesâ€ energy. Give examples showing how IR is used in modern technology. Solution basic differences are- The electromagnetic spectrum comprises all wavelengths of light from the very short (gamma rays) to the very long (radio waves). Both visible and IR light are near the middle of the spectrum The wavelength of an electromagnetic wave is the distance between peaks (or troughs) of the wave. IR radiation has longer wavelengths than visible light. The frequency of a wave is a measure of how many times the wave oscillates between its minimum and maximum amplitude in one second. The frequencies of IR waves are less than the frequencies of visible ligh All objects on Earth emit ir r adiation Blood-sucking insects, such as bedbugs and mosquitoes, rely on their infrared vision to feed themselves. They can \"see\" body heat and use the heat signature of the carbon dioxide (CO2) gas that humans and other animals naturally exhale to locate their prey. it waste enegy in form of greenhouse effect Far Infrared Light Can Be used For Anti-terror Devices, Faster Wireless. ... Modern technology uses many frequencies of electromagnetic radiation for communication, including radio waves, TV signals, microwaves and visible light .

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Initial Knowledge Check For each row in the table below, decide whether the pair of elements ill form a molecular or lonic compound. If they will, then enter the chemical formula of the compound. If the elements will form more than one compound, enter the compound with the fewest total number of atoms. You may assume all chemical bonds are single bonds, not double or triple bonds element \'1 element #2 compl ind formed? chemical Da O neither krypton molecular n nelther chlorine magnesiumo molecular O neither Solution 1) Hydrogen and oxygen are both non metals So, they will form molecular compound The compound is H 2 O Answer: molecular H2O 2) Krypton is noble gas. It do not react with metal Answer: neither 3) Chlorine is non metal and Magnesium is metal So, they form ionic compound Magnesium form ions Mg 2+ Chlorine forms Cl - these ion combine to form MgCl2 Answer: ionic MgCl 2 .

Initial Knowledge Check For each row in the table below- decide whethe.docx

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Is the ability of the human ear better or worse than the sonic capabilities of a CD quality audio system? What can a digital engineer take advantage of because of this fact? Name the four classes of coding methods. Identify whether each compression method is lossy or lossless: Morse Code_____Run Length Encoding_____JPEG_____Say the relative frequencies of four symbols in an alphabet are 1/2,1/4,1/8 and 1/8. What is the entropy (numerical value) of the alphabet? Suppose we want to compress two sound recordings, A and B that are in.WAV format and equally long. If the entropy of A is twice that of B, which recording has a greater amount of randomness? Which recording should we expect to be shorter in compressed form? Solution As already short answer provided for other questions except Q10, I am answering it. 10) Relative frequencies of four symbols in an alphabet are, Â½, Â¼, 1/8, 1/8, So P(1) = Â½ P(2) = Â¼ P(3) = 1/8 P(4) = 1/8 Entropy of the alphabet = H(P) = - [ P(1) logP(1) + P(2) logP(2) + P(3) logP(3)+ P(4) logP(4)] = - [1/2log(1/2) + Â¼ log(1/4) +1/8 log(1/8) +1/8 log(1/8)] = - [(-0.150514998) + (-0.150514998) + (-0.112886248) + (-0.112886248)] = 0.526802492 .

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Is my half equation and ionic equation from the answer key correct? I don\'t understand how the ionic equation came about. 10 cal energy can be converted to electrical energy in the simple (voltaic) cel shown below voltmete sait bridge Hg -Fe Explain how the diagram confims that magnesium is above iron in the metal reactivity series The elen Flow i from M to This shes tlo tMg i are Veal tiv as it le ore les easy thon Fe (bl/ Idenity the postive elactrode of the cal, Tron 11?write the haltequation forte reacton occurring at the ron elodiode. 10 (e) ete fecs) Witee oeral onke ecustion, inckuding sta ymbols, for the resction when the cel is d) Deduce whether the voltage produoad by the celil would be greater or lesser f the ran hat-cel is neplsced by a copper half cel. Explain your arrswer Hage woul be reater as copp i furlint auay from maes Total. 8 Turn over Solution Yes your answer is right. i) Half reaction represents either the anodic half or cathodic half reaction.Here the question is asked about half reaction in iron electrode. In the given cell, Fe is acting as cathode. Hence it should undergo reduction. your equation representing reduction of Fe 2+ to Fe is right. ii) Ionic equation including state symbols is asked. Ionic equation is nothing but the overall cell reaction represented in ionic form. Simply it is combination of cathode half reaction and anode half reaction. In the given cell, Magnesium is the anode. It undergoes oxidation. i.e. Mg(s) to Mg 2+ by loss of two electrons. We have already seen the cathode half reaction of reduction of Fe. Combining these two half reactions we get the overall ionic reaction Mg (s) + Fe 2+ (aq) --------> Mg 2+ (aq) + Fe (s) .

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Inorganic Chemistry - Wurtzite vs. Rock-Salt Structures Beryllium oxide (BeO) prefers the Wurtzite structure type (typical of ZnS) while LiF prefers the rock-salt structure type (typical of NaCI). Why does this happen? Use the following terms/words in your explanation a) ionic radii b) chemical bonding Solution Beryllium oxide prefers wurtzite structure type whereas LiF prefers rocksalt type structure. If we look all these elements, namely, Be, O, Li, and F falls in the second period of periodic structure. Atomic radius decreases from left to right in the periodic table. This is because of addition of an electron in the same shell of the atom which compresses the atom due to more attraction towarrds the nucleus. The electronegativity of elements increases from left to right since it is inverse property of atomic radii. Atomic radius of Be 2+ is less than Li + whereas atomic size of O 2- is more than F - . Moreover, LiF is ionic in natute due to coulombic interaction of highly electropositive atom (Li) and highly electronegative atom (F). On the other hand, BeO is having covalent character along with ionic character in their chemical bond. Thus, BeO prefers wurtzite structure type whereas LiF prefers rocksalt type structure. .

Inorganic Chemistry - Wurtzite vs- Rock-Salt Structures Beryllium oxid.docx

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Is it time for IPI to reconsider its salesforce organization by product line? Solution During the period from August 2, 1989, (date of incorporation) through March 1990, the Company was largely inactive. Since that time, the Company has been engaged principally in research and drug discovery programs and clinical development of a drug compound. On July 25, 1994, the Company acquired all of the outstanding Common Stock of ImmunoPharmaceutics, Inc. (\"IPI\") (now discontinued), a San Diego, California based company, in exchange for Common Stock of the Company. TBC consolidated the IPI operation into TBC in the first half of 1996 The Company is presently working on a number of long-term development projects which involve experimental and unproven technology, which may require many years and substantial expenditures to complete, and which may be unsuccessful. To date, other than small amounts of monoclonal antibody compounds and services produced and sold by ImmunoPharmaceutics, Inc. (\"IPI\") (now discontinued), the Company has not developed or sold any products, and no assurance can be given that the Company will be able to develop, manufacture or market any products in the future. In addition, no assurance exists that future revenues will be significant, that any sales will be profitable, or that the Company will have sufficient funds available to complete its research and development programs or market any products which it may develop. Accordingly, the Company is considered to be in the development stage as it has not to date derived significant revenue from its planned principal operations. .

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INITIALS: 22. Which of the following represents a combustion reaction? A) 2Na(s) + 2H2O(l) ? 2NaOH(aq) + H2(g) B) 2011(g) + 702(g) ? 4CO2(g) + 6H2O(l) C) N2(g) +3H(g) 2NH3(g) D) LiOH(aq) +HNO,(aq)LiNOs(aq) + HO0) E) 2Al(s)+3H SO4(aq)Al:(SO) (aq)+3H:(g) The common constituent in all acid solutions is A) CI B) OH C) H D) H2SO E) H2 23. 24. Which of these properties is/are characteristic(s) of gases? A) High compressibility B) Relatively large distances between molecules C) Formation of homogeneous mixtures regardless of the nature of gases D) A and B. E) A, B, and C. 25. Heat is a measure of thermal energy transferred between two bodies at different temperature. a measure of the change in temperature. a measure of temperature. a measure of thermal energy. A) B) C) D) 26. Thermal energy is A) B) C) D) the energy stored within the structural units of chemical substances. the energy associated with the random motion of atoms and molecules. solar energy, i.e. energy that comes from the sun. energy available by virtue of an object\'s position. 27. An exothermic reaction causes the surroundings to A) decrease its temperature. B) warm up. C) expand. D) become acidic. E) release CO2. Solution 22) in combustion reaction, a compound reacts with O2 to form CO2 and H2O This is correct for option B Answer: B 23) All acid have H+ Answer: C 24) All 3 statements are correct Gas occupy the volume of container. So, there is large distance between molecules Due to this it can be compressed a lot Also gas and gas mixture will always be homogeneous Answer: E Only 1 question at a time please .

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