The Expert TAI Human-lik x C https:// usg15il.theexpertta.com. TaceDOOK TUUE Cla

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The Expert TAI Human-lik x C https:// usg15il.theexpertta.com. TaceDOOK TUUE Class Management I Help HW10 Begin Date: 12/1/2015 8:00:00 AM Due Date: 12/7/2015 11:50:00 PM End Date: 12/15/2015 12:00:00 AM (8%) Problem 5: The gauge pressure in your car tires is 2.55 x 10 boat to Alaska. Pa at a temperature of 35.0°C when you drive it onto a ferry Assignment Status Click here for Go 100 Part (a) What is the gauge pressure of the tire in pascals, later when the temperature has dropped to -40.0oc? Assume the volume detailed view of each tire does not change. Grade Summary Deductions 15% Problem Status Potential 85% Completed sino co tano T 7 8 9 HOME Sub Completed Attempts remaining acoS Partial (5% per attempt) atano acotano sinh0 Completed detailed view cosh tanh 0 cotanh0 Partial EVO BACKSPACE CLEAR Degrees O Radians Completed Submit Feedback I give up! Completed Partial Hints: 1 for a 0% deduction. Hints remaining Feedback: 0% deduction per feedback. 10 Completed -How are the pressure and temperature of an ideal gas related to each 11 Partial other? Notice that the pressure being given is the gauge not the 12 Completed absolute TA, LLC 27 AM 2/5/2015

Explanation / Answer

Initial pressure in the tire, P1 = Patm + Pgauge,1 = (1.01 * 105) + (2.55 * 105) = 3.56 * 105 Pa

Since volume is constant,

P1 / T1 = P2 / T2

=> P2 = P1T2 / T1 = (3.56 * 105) * (273 - 40) / (273 + 35) = 2.69 * 105 Pa

Final gauge pressure, Pgauge,2 = P2 - Patm = (2.69 * 105) - (1.01 * 105) = 1.68 * 105 Pa

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