+ WELCOME! 1.Organize the materials in your folder in your binder. 2.Get out your homework.

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Presentation transcript:

+ WELCOME! 1.Organize the materials in your folder in your binder. 2.Get out your homework.

+ Chair, Trash, Detention Challenge Homework Small Business

+ 80% Small Business

+ Gases

+

+ How does a gas really behave?

+ Ideal Gases Ideal Gas There _________ mass Attractive forces ___________ ______________ between molecules Moves at different speeds Energy is conserved Real Gas There _________ mass Attractive forces ___________ between molecules Moves at different speeds Energy is conserved

+ 1.To make it so molecules do not interact (ideal), they want to be far apart, which means a ___________ temperature and ______________ pressure will create ideal conditions. Ideal Conditions

+ Variables of the Ideal Gases

+ 1.Pressure: the amount of force upon an object; measured in __________. 2.Temperature: how fast molecules are moving; measure in ________________. 3.Absolute Zero: 273 o below O o C. Atoms have ________ energy. New Gas Units

+ Use the equation: K = C O If I have a substance that is 23 o C, then what is it in Kelvin?

+ Use the equation: K = C O If I have a substance that is 260K, then what is it in Celsius?

+ Conversion Ratios 1 Liter = 1000mL 1atm = 760 mmHg Convert 1520mmHg to atm.

+ Conversion Ratios 1 Liter = 1000mL 1atm = 760 mmHg Convert 2L to ml.

+ Guided Practice Clock Shot Trashketball

+ Question 1 What are the 2 differences of ideal gasses and real gases? A.Mass and attraction B.Speed and energy

+ Question 2 Determine if the following is an ideal gas, a real gas, or unidentifiable. 1. The molecules conserve energy 2. The molecules have no mass A.Ideal Gas B.Real Gas C.Unidentifiable

+ Question 3 Determine if the following is an ideal gas, a real gas, or unidentifiable. 1. The molecules have no interaction forces 2. The molecules move at different speeds A.Ideal Gas B.Real Gas C.Unidentifiable

+ Question 4 Determine if the following is an ideal gas, a real gas, or unidentifiable. 1. The molecules conserve energy 2. The molecules move at different speeds A.Ideal Gas B.Real Gas C.Unidentifiable

+ Question 5 For a real gas to function like an ideal gas do molecules want to be close together or far apart? A.Close together B.Far apart

+ Question 5 What do you need to do to the temperature and pressure of an atom to make molecules far apart? A.Increase temperature and decrease pressure B.Increase temperature and increase pressure C.Decrease temperature and decrease pressure D.Decrease temperature and increase pressure

+ Question 6 How do you make an real gas act like an ideal gas? A.Increase temperature and decrease pressure B.Increase temperature and increase pressure C.Decrease temperature and decrease pressure D.Decrease temperature and increase pressure

+ Question 7 What units is pressure measured in? A.Atm B.Ml C.L D.Joules

+ Question 8 What is the equation to convert Celsius to Kelvin A. K = C +273 B. K = C

+ Question 9 Convert 29 degrees Celsius to Kelvin. A.302K B.244K C.-302K D.-244K

+ Question 10 Convert 780K to Celsius. A.1053K B.-1053K C.507K D.-507K

+ Question 11 Convert 2805ml to liters. A.2.805L B L

+ Question 12 Convert 2280mmHg to atm. A.2280mmHg/760atm B.760atm/2280

+ Independent Practice When you are done raise your hand and I will give you a POM You may not use notes on the POM NO SIDE TALK RULE APPLIES!