Quarter 4 Lecture 1 -Properties of Gases.pptx
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The document discusses the key properties of gases including: 1) Gases can be compressed or expanded easily since gas particles are far apart and can move around one another. 2) The main properties that characterize gases are density, mass, volume, temperature, and pressure. Density refers to the mass per unit volume and gases have low density since particles are spaced far apart. 3) Temperature, pressure, and volume are interrelated based on the kinetic molecular theory where increasing the temperature or amount of gas particles increases pressure, while increasing volume decreases pressure.
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- 1. PROPERTIES OF GASES MARIBEL L. NAYAD, MAEd maribe.nayad@deped.gov.ph SCIENCE 10 Unit 4 Module 1
- 2. CONTENT STANDARD: The learners demonstrate understanding of: 1. how gases behave based on the motion and relative distances between gas particles (S10MT-IVa-b-21). PERFORMANCE STANDARD:
- 3. Learning Competency: The learners should be able to… 1. investigate the relationship between: 1.1 volume and pressure at constant temperature of a gas; 1.2 volume and temperature at constant pressure of a gas; 1.3 explains these relationships using the kinetic molecular theory; •
- 4. In this lesson, you’ll be able to: 1. investigate the relationship between: 1.1 volume and pressure at constant temperature of a gas. PROPERTIES OF GASES SCIENCE 10 Unit 4 Module 1
- 5. compressibility expandability gas occupy more space
- 6. PROPERTIES OF GASES gases can flow like liquids
- 7. PROPERTIES OF GASES gases are colorless
- 8. PROPERTIES OF GASES gases have low density and viscosity
- 9. PROPERTIES OF GASES • Density • Mass • Volume • Temperature • Pressure
- 10. PROPERTIES OF GASES • Density- the mass per unit volume. • Mass- the amount of material that a body contains. • Volume- the space occupied by the gaseous particles at standard temperature and pressure conditions.
- 11. PROPERTIES OF GASES • Temperature quantitative measure of how hot or cold something is. • Pressure the force exerted per unit area.
- 12. Commonly Used Units for Volume, Pressure and Temperature
- 20. Gas Law
- 26. Problem #2 2. A sample of a gas occupies a volume of 145ml at a pressure of 560 torr and a temperature of 20ºC. Calculate the new pressure if the volume is increased to 290ml at a constant temperature.
- 27. Problem #3 3. A given mass of hydrogen occupies 20.0L at 600 torr pressure. What volume will it occupy at 1.50 atm pressure? Conversion: 1 atm= 760 torr
- 28. Seatwork 1. A 142 ml of a gas measured at 480 torr pressure is allowed to expand to a volume of 200ml at constant temperature. 2. Oxygen gas inside a 1.5L gas torr has a pressure of 0.95 atm. Provided that the temperature remains constant, how much pressure is needed to reduce its volume by ½?
Editor's Notes
- Good morning. T
- Good morning. T
- Do Activity, ADM Quarter 3 Module 3 page 10 and 11.
- Do Activity, ADM Quarter 3 Module 3 page 10 and 11.
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- If you are to describe research by a single word, what word would best describe it? Research is a process in which you engage in a small set of logical steps. Research is a process of steps used to collect and analyze information to increase our understanding of a topic or issue.