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1. A 4 L sample of a diatomic gas with specific heat ratio 1.4, confined to a cylinder, is carried through a closed cycle. The gas is initially at 1 atm and 300 K. First, its pressure is tripled under constant volume. Then, it expands adiabatically to its original pressure. Finally, the gas is compressed isobarically to its original volume. Draw a P-V diagram of this cycle. Find the temperature of the gas at the start of the adiabatic expansion. Determine the volume of the gas at the end of the adiabatic expansion. Find the temperature at the end of the cycle. What is the net work done on the gas for this cycle?
2. One mole of H2 gas is contained in the left-hand side of the container, which has equal volumes left and right. The right-hand side is evacuated. When the valve is opened, gas streams into the right-hand side. What is final entropy change of the gas? Does the temperature of the gas change?
3. A 1.5 kg iron horseshoe initially at 600ºC is dropped into a bucket containing 20 kg of water at 25ºC. What is the final temperature if 100 g of water boils away? Ignore the specific heat of the container. (Specific heat of iron is 0.107 Cal/g*C. Latent heat of water vaporization is 540 cal/g)
4. Calculate the change in entropy of 250 g of water heated slowly from 20ºC to 80ºC.
mos technology is used to fabricate a capacitor utilizing the gate metallization and the substrate as the capacitor
A hot-air balloon is rising upward with a constant speed of 2.00 m/s. When the balloon is 3.40 m above the ground, the balloonist accidentally drops a compass over the side of the balloon. How much time elapses before the compass hits the ground?
You throw a 13 g rock and it leaves your hand at a speed of 17 m/s. What is the de Broglie wavelength of this rock
Water can hold 36 grams (g) of salt in every 100 milliliters (mL). The ocean contains 3.6 g of salt in every 100 mL. As a solution, which is seawater.
a wheel is spinning clockwise at a 10.0 revolutions per second at t 0. due to friction in the bearings supporting the
If two tiny identical spheres attract each other with a force of 3.20nN when they are 30.0cm apart, what is the mass of each sphere
What is the direction of the induced current in a wire loop that is over a magnetic field, in which the magnetic field is increasing but the loop is not moving?
An aluminum cylinder weighs 1.00 N. When this same cylinder is completely submerged in alcohol, the volume of the displaced alcohol is 3.85 10-5 m3. What is the specific gravity of the alcohol
A 65kg skier is moving at 6050 m/s on a frictionless, horizontal snow-covered plateau when she encounters a rough patch3.50m long. The coefficient at kinetic friction between this patch and her skis is 0.300. After crossing the rough patch and return..
A barge is in a rectangular lock on a freshwater river. The lock is 60.0 m long and 20.0 m wide, and the steel doors oneach end are closed. by what vertical distance does it change
In a local bar, a customer slides an empty beer mug down the counter for a refill. The height of the counter is h. With what velocity did the mug leave the counter
A uniform electric field has magnitude E = 270 N/C and is directed to the right. A particle with charge +4.3 nC moves along the straight line from a to b that is 0.25m in length, What is the work done on the particle by the electric field
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