n Utah Universit X mibisoms/mod/ibiswiew.php?id 3236369 Gradebook 3/29/2017 11:5

Question

n Utah Universit X mibisoms/mod/ibiswiew.php?id 3236369 Gradebook 3/29/2017 11:55 PM S827/100 83/29/2017 o63s PM calaulalor Periodic Table Question 32 of 43 Learning Heliox is a helium oxygen mixture that may be used in souba tanks for divers working at great depths. It is also used medically as a breathing treatment. 625 tank holds helium gas at pressure of 1236 psi. A second 6.25-L tank holds oxygen the of 328.7 The two gases are mixed tank. the temperature remains the same throughout process, what is the pressure of the gas mixture in the tank? Assume ideal gas behavior. psi O Previous Cheek Answer o Next Exit

Explanation / Answer

From Dalton's law of partial pressures: when T and V constant total pressure = sum of partial pressures

PT = PHe + PO2

= 1236 + 328.7

= 1564.7 psi

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