Probability of choosing a king
Two cards are chosen at random from a deck of 52 cards without replacement. What is the probability of choosing a king and the other is a queen?
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At a certain temperature the solubility of aluminun sulfide is.703 g/L. What is the solubility in mol/Land Calculate the Ksp for aluminum sulfate.
What is the torque produced about the fulcrum by a 100.0kg mass resting on a see-saw of length 2.00m at a distance of 0.500m from the center of mass? The mass of the see-saw is 25.0kg and the center of gravity is at the midpoint of the see-saw.
The horizontal pipe is fitted with three standard screwed elbows equally spaced. Calculate the flow rate including all losses.
A NASA satellite has just observed an asteroid that is on a collision course with the Earth. The asteroid has an estimated mass, based on its size, of 5 X 10^9kg. It is approaching the Earth on a head-on course with a velocity of 560 m/s relative
What is the pressure in atmospheres on the body of a diver if he is 32 ft below the surface of the water when atmospheric pressure at the surface is 0.94 atm?
The atmosphere is 20°C (assume the heat rejection occurs at constant temperature), what is the temperature of the geothermal source?
The combustion of 0.1579 gbenzoic acid increases the temperature of a bomb calorimeterby 2.35°C. Calculate the heat capacity of this calorimeter. (The energy released by combustion of benzoic acid is 26.42 kJ/g.)
Determine the ratio of the heat transferred from the 400 F reservoir to the heat transferred from the 20 F reservoir, assuming all processes are reversible.
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