One mole N2(g) at 0oC and 1atm pressure will have a volume of 44.2L True False H

Question

One mole N2(g) at 0oC and 1atm pressure will have a volume of 44.2L True False How many moles of gas were added to a balloon that started with 2.3 moles of gas and a volume of given that the final volume was ? A. 9.5 B. 12 C. 4.4 D. 0.085 E. none of the above The pressure of a gas is 1216 mmHg. What is its pressure in atm? A. 1960 atm B. 1.6 atm C. 912000 atm 500mL of a gas having pressure of 700mmHg will have a volume of ________ when it's pressure is 1.1atm. A. 420mL B. 320L C. 0.78L Please show work thank you

Explanation / Answer

(1) No, At 0 degree C and 1 atm pressure 1 mole of any gas occupies 22.4 L

(2) 22.4 L = 1 mole

Then, 44.2 L = 44.2/22.4 = 1.97 mol

So to get 2.3 mole = 2.3 - 1,97 = 0.33 mol gas is to be added

Final volume,

V1/n1 = V2/n2

44.2/1.97 = V2/2.3

V2 = 51.6 L

(3) Pressure in atm = 1216/760 = 1.6 atm

(4) P1V1 = P2V2

(700/760) 500 = 1.1*V2

V2 = 420 mL

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