6.0L of a gas having pressure of 1.2 atm will have a volume of ________ when it\

Question

6.0L of a gas having pressure of 1.2 atm will have a volume of ________ when it's pressure is 700mmHg. A. 7.8L B. 4.6L C. 0.0094L How many moles argon must be added to increase the volume to 10.00L? A. 0.0086 B. 0.014 C. 0.00029 500mL of a gas at 25.0oC will have a volume of 1.20L at: A. 900 K B. 442 oC C. 124 K O2 gas at 25oC has pressure of 1.1 atm has density of: A. 0.72 g/L B. 0.0019 g/L C. 1.4 g/L O2 gas at 25oC has pressure of 1.1 atm has density of: A. 0.72 g/L B. 0.0019 g/L C. 1.4 g/L Thank you I will rate

Explanation / Answer

(1) P1V1 = P2V2

1.2*6.0 = (700/760)*V2

V2 = 7.8 L

(2)

(3) V1/T1 = V2/T2

0.5/298 = 1.20/T2

T2 = 715.2 K

t2 = 442 Degree C

(4) PV = n R T

P V = (w/M) RT

P = (w/V) RT / M

P = d R T / M

1.1 = d*0.0821*298/32

d = 1.4 g/L

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