swampyseth220
23.04.2020 •
Chemistry
A 3.0 L sample of helium gas is stored in a rigid, sealed container at 25 °C and
1.0 atm pressure. The pressure is increased to 1.5 atm and the temperature is
increased to 125 °C. What is the new volume of the gas? *
A-.84
B-1.5 atm
C-2.9 atm
D-10.0 atm
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Ответ:
C. 2.9 atm
Explanation:
- Use combined gas law formula and rearrange it.
- Convert C to K.
- Hope that helped! Please let me know if you need a further explanation.
Ответ:
molar mass = (mwn + 4*mwh)*2+ mws + 4*mwo
(14.01 + 4*1)*2 + 32.06 + 4*16.00 = (14.01 + 4)*2 + 32.06 + 64 = 18.01*2 + 96.06