Gas Laws worksheet 1) A tire contains 2.00L of air at 300.0 K, f the volume in t
ID: 1041756 • Letter: G
Question
Gas Laws worksheet 1) A tire contains 2.00L of air at 300.0 K, f the volume in the tire decreased to 1 50L, what must the new temperature be? 2) Luis has 3.5 mol of H, gas at STP. Whst volume will this gas occupy? Jim-Bob has revved his engine enough so that the internal termperature and pressure of his eneine are 700.0 K and 200.0 kPa. If the temperature outside was 295 K before Jim-Bob got into his car, what was the internal pressure in his engine? 4] )Jose wants to cook up some steaks for Super Bowl Sunday. He looks at his BBQ and notices that his Propane (C,H.) tank contains 10.0L of the gas under 3.0atm at room temperature. How mary grams of propane does Jose own? 5) Today, the barometer reads 750 mmte and the thermometer says that it is 65 F. At 6 am, the barometer read 700 mmHg. What was the temperature at that time? Rhonda's helium balloon has a volume of 2.00 L at 2.00 atm and 395 K. If the temperature is raised to 500. K and the gas is compressed to 1.00L, what is the new pressure? 6) 7) A 1.0 L cylinder contains 2.0 moles of eas at 2s0 K and 1.0 atm. If the temperature and pressure are increased to 350 K and 3.5 atm and the new wolume of zas is 0.50 L, haw much gas was added/removed? 8) You have a 2 L cylinder of gas that is under 100 kPa of pressure. If you compress the gas to 1 L what will the new pressure be?Explanation / Answer
1) Initial volume and temperature of air , V1 = 2.00 L , T1= 300.0 K
Final Volume and temperature of air, V2 = 1.50 L , T2 = ?
From the ideal gas law, Volume is proportional to temperature
V1/T1 = V2/T2 ===> T2 = V2*T1 / V1 = 1.50L * 300.0K / 2.00L = 225.0 K
New temperature = 225.0 K
2) 3.5 mol H2 gas at STP
1 mol of gas at STP occupies 22.4 L
3.5 mol occupies occupies 22.4 L * 3.5 = 78.4 L at STP
** Answering only first two questions due to policy and time constraitns, Please post the questions seperately. Sorry to dissapoint you.
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