what is the pressure in a 7.50 L flask if 0.15 mol of carbon dioxide is added to 0.33 mol of 0xygen...?

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what is the pressure in a 7.50 L flask if 0.15 mol of carbon dioxide is added to 0.33 mol of 0xygen...?

The temp. of the mixture is 48.0°C.

2007-05-06 23:13:47 · 3 answers · asked by Anonymous in Science & Mathematics ➔ Chemistry

3 answers

P = 0.48*0.0821*321/7.5
P= 1.6866624 atm
P= 170352.9024 Pa

2007-05-07 00:14:07 · answer #1 · answered by alien 4 · 0⤊ 0⤋

Total no of moles = 0.33 + 0.15 = 0.48
temp = 48 deg C = 321 K
vol = 7.5 lt = 7.5 * e-3 mt³
using universal gas eqn.
PV = nRT
=> P = nRT/V
here, P = 0.48 * 8.314 * 321 / ( 7.5 * e-3)
= 170.803 * 10³ Pa

= 170.803 k Pa

2007-05-06 23:20:36 · answer #2 · answered by s0u1 reaver 5 · 1⤊ 0⤋

1.2 atm.

2007-05-06 23:56:46 · answer #3 · answered by ag_iitkgp 7 · 0⤊ 0⤋