Most automobiles have a coolant reservoir to catch radiator fluid that may overf

Question

Most automobiles have a coolant reservoir to catch radiator fluid that may overflow when the engine is hot. A radiator is made of copper and is filled to its 16.6 L capacity when at 13.5°C. What volume (in L) of radiator fluid will overflow when the radiator and fluid reach their 95.0°C operating temperature, given that the fluid's volume coefficient of expansion is = 400 106/°C? Note that this coefficient is approximate, because most car radiators have operating temperatures of greater than 95.0°C.

_____L

Question 2

The gauge pressure in your car tires is 2.70 105 N/m2 at a temperature of 35.0°C when you drive it onto a ferry boat to Alaska. What is their gauge pressure (in atm) later, when their temperature has dropped to

37.0°C?

(Assume that their volume has not changed.)

____atm

Question 3

There are 1.5 times as many molecules as Avogadro's number at a temperature of 2.3°C inside a sealed cube with dimensions 2.2 cm 2.2 cm 2.2 cm. How much force does the gas exert on one of the walls of the cube?
____N

Explanation / Answer

The change in volume of radiator is

del V rad = V gama del T

=16.6( 10^-3) ( 51* 10^-6 ( 95-13.5)

=0.0000689979 m^3

the change in volume of fliud is

del V fluid = 16.6( 10^-3) ( 400* 10^-6 ( 95-13.5)

=0.00054116

volume spliied over is

del V fluid - del V rad = 0.00054116-0.0000689979=4.72 * 10^-4 m^3

As per guide lines I worked first problem, please post remaining questions in the next post

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