nasteho9223 nasteho9223

09-11-2018
Chemistry

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Gas samples A, B, and C are contained in a system at STP. The partial pressure of sample A is 38.0 kPa and the partial pressure of sample B is 19.0 kPa. What is the partial pressure of sample C?

Respuesta :

mathjohndough mathjohndough

09-11-2018

The total pressure is given by

[tex]P_{T} = P_A + P_B + P_C[/tex]

A system a STP will have a total pressure of 101.325KPa, and so we make P_C the subject of the formula and solve

[tex]P_C= P_T-(P_A+P_B)= 101.33-(38+19)= 101.33-57= 44.3kPa[/tex]

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