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The temperature of 0.160 mol of an ideal gas is held constant at 72.5°C while its volume is reduced to 25 percent of its initial volume. The initial pressure of the gas is 1.45 atm.
(a) Compute the work done by the gas.
(b) Compute the change in its internal energy?
(c) Does the gas exchange heat with its surroundings?
What type of information would you tell the prospective employer?. Explain how would you share be to your advantage or disadvantage?
Estimate how many molecules of air are in each 1.9 L breath you take that were also in the lastbreath Einstein took (assumed to be the same volume).
A 0.88 kg mass attached to a vertical spring of force constant 196 N/m oscillates with a maximum speed of 0.40 m/s. Find the following quantities related to the motion of the mass.
a a point charge q 4.40 microc is held fixed at the origin. a second point charge q 2.0 microc with mass of 2.80 10-4
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A rock is thrown vertically upward with a speed of12.0 m/s from the roof of a building that is 50.0 m above the ground. Suppose free fall. Find the speed of the rock just before it strikes the ground
Macaroni and cheese packages specify how long to cook the pasta in boiling water. Calculate the concept relating temperature and pressure in cooking of food.
question one method of determining the refractive index of a transparent solid is to measure the critical angle when
114.0 g of water is heated using 67.0 W of power with perfect efficiency. How long will it take to raise the temperature of the water from 15 C to 25 C
A man's leg can be thought of as a shaft of bone 1.2m long. If the strain is 1.3x 10^-4 when the leg supports his weight, by how much is his leg shortened
An electron starts from rest 43.1cm from a fixed point charge with -0.150nC. How fast will the electron be moving when it is very far away
A beam of blue light of wavelength 500 nm has an intensity of 170 W/m^2, How many photoelectrons are emitted from the potassium plate per second
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