QUESTION ANSWER 449 K The gas laws describe the behavior of gases under specific

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QUESTION ANSWER 449 K The gas laws describe the behavior of gases under specific conditions of temperature, pressure, and volume. Three gas laws show the relationship between two variables when all others are held constant: Boyle's law (pressure and volume are inversely proportional), Charles's law (volume and temperature are directly proportional), and Gay-Lussac's law (temperature and pressure are directly proportional) 235 K 349 K The three laws can be combined into one law, called the combined gas law. 302 K I DON'T KNOW YET A sample of water vapor has a volume of 3.15 L, a pressure of 2.40 atm, and a temperature of 325 K. What is the new temperature- if the new pressure is 1.97 atm and the new volume is 2.78 L? Type here to search

Explanation / Answer

Given:
Pi = 2.40 atm
Pf = 1.97 atm
Vi = 3.15 L
Vf = 2.78 L
Ti = 325.0 K

use:
(Pi*Vi)/(Ti) = (Pf*Vf)/(Tf)
(2.4 atm*3.15 L)/(325.0 K) = (1.97 atm*2.78 L)/(Tf)
Tf = 235 K
Answer: 235 K

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