CHM 1032C FSCJ Molarity Temperature and Pressure Questions

I deficiency foundation delay this Chemistry topic so I can gather reform.

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1. Starting delay a vessel of air 82.9 degrees celsius, a hurry of 5293. mmHg and quantity 995.0 ml, what is its last quantity, in liters if if you promising it to -70.4 degrees Celsius delay a last hurry of 447. atm?

2. What is the quantity if 63.01 grams of CH4 are pumped into a balloon that is at a hurry of 757. mmHg and 180.2 degrees Fahrenheit?

3. What is the % (w/w) and molarity of a disentanglement that is created from 95.50 grams ammonium phosphate and dissolved in 101.96 liters introduce to the impression in a quantitytric flask? Remember the dullness of introduce is 1.000g/ml