1- Why does the initially formed copper hydroxide precipitate dissolve.docx
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1. Why does the initially formed copper hydroxide precipitate dissolve upon addition of aqueous ammonia while synthesizing copper(II) acetate monohydrate? 2. Melting points and boiling points of compounds usually increase with increasing molecular weight, but the hexamethylcyclotrisiloxane is a solid at room temp and octamethylcyclotetrasiloxane is a liquid. Why might cyclotrimer be an exception to the normal rule Solution 1. When concentrated ammonia solution is slowly added in a light blue, aqueous solution of copper( II) chloride, there is formation of, light blue precipitate of copper(II) hydroxide. Further excess addition of ammonia causes the Cu +2 ions to go back into solution and hence continued addition of ammonia results the formation of a soluble deep blue complex copper ammonia ion means initially formed copper hydroxide precipitate dissolve upon addition of aqueous ammonia at this stage. 2. Tghis is due to the difference in arrangement oof molecules in a compound means the crystal lattic. The crystal lattice of has highly cross-links structure. .
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I am trying to create a code that will show an error if someone puts a invalid date/number in visual basic. Basically I wrote a program that allows me to calculate straight-line method and double declining balance method. I need it to show an error message if someone puts \"0\" as the cost or if nothing was inputted.
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Private Sub Button1_Click(sender As System.Object, e As System.EventArgs) Handles Button1.Click
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End Sub
Private Function IsValidDate(ByVal strInputDate As String) As Boolean
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Sub Main()
Dim s As String = \"x\"
Dim num As Integer
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End If
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End test
End Class
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I need a short code that is ritten in Visual basic that explains that processes that we go through when we swipe a discount card for any store or a supermarket. For example, stop and shop card
Solution
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I am trying to create a code that will show an error if someone puts a invalid date/number in visual basic. Basically I wrote a program that allows me to calculate straight-line method and double declining balance method. I need it to show an error message if someone puts \"0\" as the cost or if nothing was inputted.
Solution
Public Class Form1
Private Sub Button1_Click(sender As System.Object, e As System.EventArgs) Handles Button1.Click
Label1.Text = IsValidDate(TextBox1.Text)
End Sub
Private Function IsValidDate(ByVal strInputDate As String) As Boolean
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Sub Main()
Dim s As String = \"x\"
Dim num As Integer
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num = -1
End If
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End Class
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I need a short code that is ritten in Visual basic that explains that.docx
I need a short code that is ritten in Visual basic that explains that processes that we go through when we swipe a discount card for any store or a supermarket. For example, stop and shop card
Solution
A barcode reader, also called a price scanner or point-of-sale ( POS ) scanner, is a hand-held or stationary input device used to capture and read information contained in a bar code . A barcode reader consists of a scanner , a decoder (either built-in or external), and a cableused to connect the reader with a computer. Because a barcode reader merely captures and translates the barcode into numbers and/or letters, the data must be sent to a computer so that a software application can make sense of the data. Barcode scanners can be connected to a computer through a serial port , keyboard port , or an interface device called a wedge . A barcode reader works by directing a beam of light across the bar code and measuring the amount of light that is reflected back. (The dark bars on a barcode reflect less light than the white spaces between them.) The scanner converts the light energy into electrical energy, which is then converted into data by the decoder and forwarded to a computer.
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i Encapsulation} ra te compilation is to achieve encapsulation- How to.docx
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Encapsulation} ra te compilation is to achieve encapsulation. How to separate files? Give two An important objective advantages of doing so o.
Solution
Separate Files in C++:
1. Place prototypes and definitions in a module.h file
2. Place the actual code in module.cpp
3. #include \"module.h\" in the program(separate file) that uses the module
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5. Include the module
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.h file contains class header
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Separate Compilation Example 1
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int factorial( int num ) { … }
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Advantage:
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Solution
Answer:-
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How would you describe the macroeconomic \"worldview\" of David Ricardo, Karl Marx, and John Stuart Mill?
Solution
David Ricardo was a Classical Economist who lived from 1772 to 1823. In his professional life he wore many hats: he was a businessman, a financer, a speculator, and a member of Parliament. But what he is most remembered for is the role that he played in the evolution of economic theory, alongside of such other greats as John Stuart Mill and Thomas Malthus, among others. In examining the economic theories which he espoused it is interesting to consider the part that his above-mentioned professions played in influencing his positions. Through his experience as a businessman was undoubtedly able to gain insights into the workings of industry; through his experiences as a financer and a speculator he gleaned invaluable insights into the workings of the financial system; and through his experiences as a member of Parliament he no doubt acquired insights into the workings of government and politics that does much to add credibility to many of his economic expostulations. Although he worked diligently in the fields of both Macro- and Micro-economics we will be focusing here primarily on some of his more distinguishing Macroeconomic contributions. The principals within this field of economics which we will be focusing on in particular are: The Law of Comparative Advantage, Comparative Statics, International Money Movement, and Deficit Spending.
The principal which is arguably the most important and enduring contribution that David Ricardo ever made to the field of Economics is The Law of Comparative Advantage, also known as The Law of Comparative Cost.
.
1-Put the ionic compounds in order of smallest to largest lattice ener.docx
1.Put the ionic compounds in order of smallest to largest lattice energy LiCl Al2O3 KCl SrS
2. A____bond is the result of nonmetals having high ionization energies
A_____bond has non-localized electrons
A_____bond results due to decrease in potential energy when opposite charged species come together
Solution
1. Higher charge and smaller size of ions result in compounds with large lattice energy.
Of the given compounds, Al 2 O 3 has Al 3+ and O 2- have largest charge and thus highest lattice energy.
Next SrS has Sr 2+ and S 2- which is the next highest charge present in the list.
Then comes LiCl and KCl. Of these, Li + has smaller size than K + and thus it will have a higher lattice energy.
Thus the final order of lattice energy is,
Al 2 O 3 > SrS > LiCl > KCl (highest to lowest)
2. A covalent bond is a result of non-metals having high ionization energies.
Hence they do not ionize but share electrons.
. A pi bond has non-localized electrons.
The pi-electrons form a diffused cloud in the molecule that can be easily distorted.
A ionic bond results due to decrease in potential energy when oppositely charged ions come together.
Mutual electrostatic attraction is what keeps the molecule together.
.
10- which of the following should be the first step in reviewing he fi.docx
10. which of the following should be the first step in reviewing he financial statements of a nonissuer?
A. comparing the financial statements with statements for comarable rior periods and wth anticipated rresults.
B. completing a series of inquiries concerning the entity\'s procedures for recording, classifying, and summarizing.
C. obtaining a general understanding of the entity\'s organization, its operating charateristics, and its products or services.
D. applying analytical procedures designed to identify relationships and individual items that appear to be unusual.
12. Which of the following procedures should an accountant perfrm dduring an engagement to review the financial statements of a nonissuer?
A. communicating control deficiencies discovered during the assessment of control risk.
B.. obtaining a client representation letter from members of management
C. sending bank confirmation letters to the entity\'s financial institutions
D. examining cash disbursements in the subsequent period for un recorded liabilities.
Solution
10. The correct answer is:
C. obtaining a general understanding of the entity\'s organization, its operating charateristics, and its products or services
12. The correct answer is:
B.. obtaining a client representation letter from members of management
.
1-8(x+2)-4- 12 Please show steps for pointsSolution 1-8(x+2)-4- 12.docx
1/8(x+2)-4= 12
Please show steps for points
Solution
1/8(x+2)-4= 12
=> 1/ 8(x+2) = 16
=> x + 2 = 1/ 16*8
x= 1 / 128 - 2
= -255 / 128
.
10- Dinitrogen trioxide is a molecular compound t-f 11- Lithium phosph.docx
10. Dinitrogen trioxide is a molecular compound t/f 11. Lithium phosphide is a molecular compound t/f 12. Calcium bromide is a molecular compound t/f 13. The carbon oxygen bond is polar; the direction of the dipole is towards the oxygen t/f 14. The number of hydrogen atoms in one mole of water (H20) is one half the number of hydrogen atoms in one mole of methane (CH4) t/f 15. One mole of ammonia (NH3) has the same number or atoms as one mole of methane (CH4) t/f 16. If you have 1 mole of carbon dioxide (CO2), you havemoles of atoms? 4. 4 5. 6.02 x 10423
Solution
10. N2O3 is molecular compound
t( true)>>>>answer
11. Li3P is ionic compound
f(false)
12. CaBr2 is ionic compound
f(false)
13. CaOÂ Â Â Â Â Ca^2+ --------> O2^-
t(true)
14. 1 mole of H2O contains 2*6.023*10^23 hydrogen atoms
1 mole of CH4 contains 4*6.023*10^23 hydrogen atoms
t( true)
15. 1 mole of NH3 = 6.023*10^23 * 4 atoms
1 mole of CH4 = 6.023*10^23 *5 atoms
f( false)
16. 1mole of atoms
1.1
.
10) Which species acts as the nucleophile in the reaction of 1-butene.docx
10) Which species acts as the nucleophile in the reaction of 1-butene with bromine water? A. a hydronium ion B. elemental bromine C. water D. a bromide ion (O 11) Which of the following is the least likely to react with an alkene? A. elemental bromine B. a hydronium ion C. potassium permanganate D. an ethyl radical e)sodium methoxide uant uceur 12) What will be formed when 1,2-dimethylcyclopentene is reacted with hydrogen gas in the presence of palladium? A. a mixture of mostly trans-1,2-dimethylcyclopentane and a smaller amount of cis-1,2 dimethylcyclopentane only cis-1,.2.dimethylcyclopentane 2 cis produdt Orv C. only trans-1,2-dimethylcyclopentane D. a mixture of mostly cis-1,2-dimethylcyclopentane and a smaller amount of trans-1,2 dimethylcyclopentane 13) Which of the following is the major product formed after 1-methylcyclopentene undergoes acid catalyzed hydration? ?? ?? ?? ??
Solution
10. Option C water since it is an example for halo hydrin formation reaction. First step is the formation of cyclic bromonium ion then ring opening by water.
11. Option E, since sodium ethoxide exists as EtO-& Na+
Both alkene and Ethoxide are Nucleophilic in nature due hence no reaction between them.
12. Option B since hydrogenation is Cis, both hydrogens will add from the same side of double bond.
13. Option C, more substituted alcohol is the major since it is made from more stable tertiary carbocation.
.
1-) What are the tax concepts involved in completing the Form 1040- Ex.docx
1-) What are the tax concepts involved in completing the Form 1040? Explain in detail.
2-) What are the tax planning considerations you took into account while completing the Form 1040?
3-) What are the various steps and the calculations for each step you made while completing the Form 1040?
Solution
1. The form 1040 shall be filed by an individual liable to pay taxed by the 15yh of April. The another name of this form is long form or U.S. Individual income tax return.
It contains a number of pages in which financial ststus of the income of the individual is disclosed. It discloses whether the individual has to pay taxes or he gets refund.
There are number of forms 1040 like 1040EZ etc.
2. While completing form 1040 we made tax planning in such a way that the tax payable is minimum but with the compliance of all the rules and regulations. For tax planning significant amounts are invested in funds like life Insurance Policies, Mediclaim of the self and the parents etc. As deductions are allowed under these sections.
Tax is payable if the income after reducing certain deductions is chargeable to taxes.
3. It includes penalties aginst a taxpayer who doen not compliance with the laws & also includes taxability of wages, salaries tips and other things etc & deductions and credits like medical and dental expenses.
It includes collection of the the taxpayers filing information& requirements of filing.
The return should be throughly checked for the completeness and the accuracy & the tax payable and refund due should be properly calculated.
.
1-) Which of the following accounting concepts do accountants and audi.docx
1.) Which of the following accounting concepts do accountants and auditors assess by using financial analyses?
2.) A journal entry is NOT recorded on what date?
3.) If a company\'s assets (such as accounts receivable or inventory) are allowed to grow out of control, which of the following would occur?
4.) Where is the overall change in cash shown in the statement of cash flows?
Solution
1 c Full disclosure
2 a A journal entry is required on all of these dates.
3 d Cash flows from investing activities would be reduced.
4 a  the bottom part, following the financing .activities section
.
1- Which substance CANNOT have dipole-dipole forces between its molecu.docx
1. Which substance CANNOT have dipole-dipole forces between its molecules?
CF 4
NF 3
F 2 O
SF 4
nitrous acid, HNO 2
2. Which of the following species will have the highest boiling point?
C 5 H 12
C 3 H 6
C 11 H 24
C 6 H 6
C 2 H 4
Solution
1)
Answer : CF4
Except CF4 , remaining all are having dipole - dipole forces between the molecuels.
2)
Answer : C 11 H 24
Explanation :
higher the molar mass of the substance , higher the boiling point.
here C 11 H 24 has higher molar mass than all. so it has highest boiling point among all
.
1-Write an algebraic expression to represent each verbal expression-.docx
1.Write an algebraic expression to represent each verbal expression.
1. 2 more than the quotient of a number and 5
2. The sum of two consecutive integers
3. 5 times the sum of a number and 1
4. 1 less than twice the square of a number
...................
2. Write a verbal expression to represent each equation.
1. 5-2x=4
2. 3y=4y^3
3. 3c=2(c-1)
4. m/5=3(2m+1)
Solution
1. Let the number be X. Now X/5 = quotient. Now two is added to it. => X/5 +2
2. Two consecutive integers: Let one number be X and the other one will be X+1 or X-1,
Sum will be X+X+1 =2X+1 or X-1+X=2X-1
3. The sum of a number and one => X+1 and 5 times of it => 5(X+1)
4.square of a number = X 2.
Twice the square of a number = 2X 2
now one less than that => 2X 2 -1
.
1- Which planet has the least cloudiness- b) Earth c) Mars d) Jupiter.docx
1. Which planet has the least cloudiness? b) Earth c) Mars d) Jupiter a) Venus 2. The climate is NOT affected by a) prevailing winds. b) the phase of the moon c) sunshine variation with latitude. d) the distribution of land and water e) large volcanic eruptions. 3. The location within a supercell thunderstorm which one most likely should look at when watching for development of a tornado is a) the anvil b) far south on the flanking line c) the wall cloud. d) the forward-flank downdraft 4. A bow in a radar reflectivity echo often suggests the presence of a) flooding b) high winds c) hail 5. A stepped leader is a) a trail of ionization preceding a lightning strike b) a person in charge who is a lightning victim c) a tree or building scorched during a lightning strike 6. A tornado family is a) a simultaneous group of tornadoes produced in a multi-cell storm b) a mother, father, and children who chase storms together c) a sequence of tornadoes produced by a long lasting supercell 7. The coldest temperatures near the tropopause are found where? b) near the poles a) near the equator. c) near 30 degrees latitude. d) near 60 degrees latitude.
Solution
1) venus ( abscence os atmosphere)
2) e ( weather is affected. climate is average of weather over time)
3) c
4) c
5) a
6) a
7) b
8) d
9) b 58mph
10) d 400ppm
11) a
12) b
13) b
14) b
question 15 answer
16 ) d flat on ground
17) d
18) d
19) d
20 ) c jupiter
21) b
22) b
23) d
24 ) d
25) a
.
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