[Tskate]

I'm not sure if these five questions out of the 20 are right

1.) An "empty" aerosol can at 25C still contains gas at 1.00 atmosphere pressure. If an "empty" can is thrown into a 475C fire, what is the final pressure in the heated can? 
 
   5.26 x 10-2 atm 
   0.398 atm  (My answer)
   2.51 atm 
   19.0 atm

2.)If the number of moles of gas is doubled at constant temperature and volume, the pressure of the gas 
    is halved. 
   is doubled.  (My answer)
   is quadrupled. 
   remains the same.

3.)According to the kinetic molecular theory, the pressure of a gas in a container will decrease if the 
    number of collisions with the container wall increases. 
   number of moles of the gas increases. 
   temperature of the gas decreases. 
   volume of the container decreases.  (my answer)

4.)A balloon filled with helium gas at 20C occupies 2.91 L at 1.00 atm. The balloon is immersed in liquid nitrogen at -196C, raising the pressure to 5.20 atm. What is the volume of the balloon in the liquid nitrogen? 
 
   0.15 L 
   2.1 L 
   4.0 L  (my answer)
   58 L

5.)A 1.000 kg sample of nitroglycerine, C3H5N3O9, explodes and releases gases with a temperature of 1985°C at 1.000 atm. What is the total volume of all the gases produced?

    816.4 L 
   3878 L 
   5203 L  (my answer)
   5919 L 

[enahs]

In short. No.

PV=nRT
Kinetic Theory

[AWK]

1. Heating always incresesas pressure at constant volume
3. correct your answer!
4. Both, lowering the temperature and increasing pressure diminish the volume
5. write down a balanced reaction first