# Hmwk 7 - guo (rg27533) – Homework 7 – Sutcliffe –...

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Unformatted text preview: guo (rg27533) – Homework 7 – Sutcliffe – (52380) 1 This print-out should have 20 questions. Multiple-choice questions may continue on the next column or page – find all choices before answering. 001 10.0 points A gas has a pressure of 6 . 21872 atm when its volume is 2 . 78 L. What will the pressure be when the volume is changed to 1 . 67298 L, assuming constant temperature? Express the final pressure in torr. Answer in units of torr. 002 10.0 points For an ideal gas, pressure has what relation- ship to volume provided only pressure and volume are allowed to change? 1. inversely proportional 2. proportional 3. unrelated 4. equal 003 10.0 points Which of the following is a true statement about a fixed amount of ideal gas at constant pressure? 1. If a sample of gas is heated from 0 ◦ C to 273 ◦ C, the volume will double. 2. If a sample of gas is heated from 100 ◦ C to 200 ◦ C, the volume will decrease by a factor of two. 3. If a sample of gas is cooled from 400 ◦ C to 200 ◦ C, the volume will decrease by a factor of two. 004 10.0 points A sample of a gas occupies 2110 mL at 36 ◦ C and 740 torr. What volume would it occupy at the same pressure and 419 ◦ C? Answer in units of mL. 005 10.0 points A 678 mL gas sample at STP is compressed to a volume of 263 mL, and the temperature is increased to 38 ◦ C. What is the new pressure of the gas in Pa?...
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## This note was uploaded on 04/27/2010 for the course CH 301 taught by Professor Fakhreddine/lyon during the Spring '07 term at University of Texas.

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Hmwk 7 - guo (rg27533) – Homework 7 – Sutcliffe –...

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