D 86356932 Resources the Ideal Gas Law return to assignm « previous | 7 of 7 Par

Question

D 86356932 Resources the Ideal Gas Law return to assignm « previous | 7 of 7 Part A A balloon is floating around outside your window. The temperature outside is 35 °C, and the air pressure ts 0800 atm. Your neighbor, who released the balloon, tells you that he filled it with 3.40 moles of gas. What is the volume of gas inside this balloon? s your answer to three significant figures and include the appropriate units. Hints halloonValue Units Submit Answers Give Up art B A 200 L gas cylinder is iled with 100 moles of gas. The tank is stored at 1 °C. What is th pressure in the tank? Express your answer to three significant figures and include the appropriate units. Hints

Explanation / Answer

A) we use PV = nRT equation to find out volume

n = moles of gas = 3.4 mol

R = gas constant = 0.08206 L atm/molK

T = 35C = 35+273 = 308 K ,

P = 0.8 atm , we find V

0.8atm x V = 3.4 mol x 0.08206 Latm/molK x 308K

V = 107 L

B) V= 20 L , T = 1C = 1+273 K = 274 K , n = 10 mol , we find P

P x 20 L = 10 mol x 0.08206 Latm/molK x 274 K

P = 11.2 atm

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