
Concept explainers
Interpretation:
The new pressure of the gas have to be calculated.
Concept Introduction:
The combined
The equation is derived from the
Initial pressure = P1 Final pressure = P2
Initial volume = V1 Final volume = V2
Initial temperature = T1 Final temperature = T2

Answer to Problem 3STP
The new pressure of the gas is-
B. 2.70 atm
Explanation of Solution
Data given: P1 = 1.00 atm, V1 = 5.00 L and T1 = 20 °C = 293 K
V2 = 2.00 L, T2 = 43 °C = 316 K
By putting all the values in the above equation, we can calculate P2
The new pressure of the gas is 2.70 atm which is option B.
Reasons for incorrect options:
From the calculation we got that the new pressure of the gas is 2.70 atm.
So the answer is option B.
That means other options that is,
A. 0.812 atm
C. 3.14 atm
D. 5.38 atm are found to be incorrect.
Chapter 13 Solutions
World of Chemistry, 3rd edition
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