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Determine the enthalpy change and internal energy change of ammonia in J/mole, as it is heated from 350 K to 600 K, using the ideal gas heat capacity given by the Shomate Equation.
Donald Duck and his nephews manage to sink Uncle Scrooge's yacht (m = 5021 kg), which is made of steel (? = 7770 kg/m3). How many balls are required to float the ship
In an electron microscope, there is an electron gun that contains two charged metallic plates 2.90 cm apart. Determine the acceleration of the electron
The sun emits electromagnetic radiation that hits the Earth. the maximum wavelength that the sun emits is at =545NM. AT THIS wavelength, the intensity of light from the sun that strikes the Earth is I= 650 W/m2
Two bullets from opposite sides collide in midair during battle. What fraction of the original kinetic energy was lost in the collision
A 2.30-kg object is attached to a spring and placed on frictionless, horizontal surface. Find the maximum acceleration of the object
A student drops two metallic objects into a 32 g steel container holding 169 g of water at 29C. One object is a 486 g cube of copper that is initially at 58C, What was the mass of the aluminum chunk
A converging lens with a focal length of 6.20cmforms an image of a 3.00mm -tall real object that is to the left of the lens. Where are the object and image located
Take the gravitational constant to be = 6.67×10^-11 Nm^2/kg, the mass of the earth to be = 5.97×10^24 kg, and the radius of the Earth to be = 6.38×10^6 m.
A 400lb woman stands on a floor in flat soled shoes. A 130lb woman stands on the same floor in a high heel shoe with all her weight is on the heel of the shoe. Which person is more likely to dent the floor?
The radius of a black hole is the distance from the black hole's center at which the escape speed is the speed of light. What is the radius of a black hole with the same mass as that of the Earth
A meter stick is balanced horizontally on a pivot attached at the 50-cm mark. A 300-gram mass is attached to the right half of the meter stick 30 cm from the pivot point and it swings down. You wish to rebalance the meter stick horizontally with a 45..
The light goes through a second polarizer and exits with an intensity of 225 W/m squared, What is the orientation angle of the second polarizer
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