What is the mass of the product in grams
When rubidium metal is exposed to air, one Rb atom is combined with two oxygen atoms. If 1.75g of Rb is exposed to air, what is the mass of the product in grams?
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A copper block is removed from a 306 oven and dropped into 1.30 of water at 20.5. The water quickly reaches 25.9 and then remains at that temperature. What is the mass of the copper block?
Find power required by the compressor, isothermal efficency, heat removed from the refigerated space, and the coefficient of performance.
A projectile is launched from a cannon; it has an initial speed of 58 m/s at an angle of 37 degrees above horizontal. The muzzle of the cannon is 1 meters above the ground. How far down range will the projectile land?
Show that the quantum mechanical probability distributionapproaches the classical probability distribution as the energy of the particle approaches infinity fora fixed box length, L. Hint: it is more intuitive to do this graphically though it is e
The gear is to transmit 90 HP at 300 RPM. What does the inside diameter of the gear need to be if the entire torque is to be carried by the press fit?
A flask of water is connected to a vacuum pump. A fewmoments after the pump is turned on, the water begins to boil.Then, a few minutes later, the water begins to freeze. Explain what happened.
If this is the only possible means of cooling, how many kilograms of water per hour must be evaporated from an elephant's skin to keep it at a constant temperature?
Determine the rate of entropy production (kW/K) within the compressor if the air is modeled as an ideal gas with variable specific heats.
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