18. How many gallons of gasoline must be burned in order to raise the temperature of 10 liters of water from 25o C to 50o C, assuming 50 percent efficiency in converting the heat released into heat in the water?(The heat of combustion of gasoline is 3.4 × 107 cal/gallon.) v = { (average speed) d = v,t + at? (distance under acceleration)W %3D mg (Weight) а %3Fact(Acceleration) F= Gm,m2(Gravity Law)(Kinetic Energy) PE=mgh (Potential Energy)p = mvW = F ·d (Work Done) Q= mcAT (Heat Energy) Q=mL (Latent Heat Energy)effciency =%3Dwork doneenergy provided

Calculate the amount of heat to be absorbed by water to raise its temperature from T1=25o C to…

How many gallons of gasoline must be burned in order to raise the temperature of 10 liters of water from 25o C to 50o C, assuming 50 percent efficiency in converting the heat released into heat in the water? (The heat of combustion of gasoline is 3.4 × 107 cal/gallon.)

How many gallons of gasoline must be burned in order to raise the temperature of 10 liters of water from 25o C to 50o C, assuming 50 percent efficiency in converting the heat released into heat in the water? (The heat of combustion of gasoline is 3.4 × 107 cal/gallon.)

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter6: Energy Of A System

Section: Chapter Questions

Problem 11CQ

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Question

18. How many gallons of gasoline must be burned in order to raise the temperature of 10 liters of water from 25^o C to 50^o C, assuming 50 percent efficiency in converting the heat released into heat in the water?

(The heat of combustion of gasoline is 3.4 × 10⁷cal/gallon.)

v = { (average speed) d = v,t + at? (distance under acceleration)
W %3D mg (Weight) а %3
Fact
(Acceleration) F= Gm,m2
(Gravity Law)
(Kinetic Energy) PE=mgh (Potential Energy)
p = mv
W = F ·d (Work Done) Q= mcAT (Heat Energy) Q=mL (Latent Heat Energy)
effciency =
%3D
work done
energy provided

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