What is the molar mass of caffeine
Caffeine the freezing point of a solution prepared by dissolving 150 x 10-3g of caffeine in 10.0g of camphor is lower by 3.07 than that of pure camphor (Kf=39.7 Celsius/m). What is the molar mass of caffeine?
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The pressure is held constant as the air cools to 50°C. Assuming that the rate of flow entering the compressor is 0.15 kg/s, determine the total rate of entropy generation.
Let X be the damage incurred (in $) in a certain type of accident during a given year. Possible X values are 0, 1000, 5000, and 10000, with probabilities 0.84, 0.10, 0.04, and 0.02, respectively.
At the same time, Ted jumps upward with a speed of 3.5 m/s from a 1.0 m high diving board. Choosing the origin to be at the water's surface, and upward to be the positive x direction, write the x-versus-t of motion for both Bill and Ted. (Use g an
Compute the following binomial probabilities directly from the formula for b(x; n, p). (Round your answers to three decimal places.)
A hot air balloon is rising upward with a constant speed of 20 m/s. When the balloon is 3 m above the ground, the balloonist accidentally drops a compass over the side. a.) How much time elapses before it hits the ground?
Find the centroid and moment of inertia (Ix) of a composite steel structure. The structure is built out of a 2" thick by 20" long steel plate welded to a piece of 1" thick pc of "c" channel.
Determine the melting point of an aqueous solution containing 147mg of saccharin (C7H5O3NS) added to 1.00mL of water (density of water + 1.00g/mL, Kf=1.86 Celsius/m)
Use these data to compute the probability of suffering from persistent respiratory symptoms in each socioeconomic group. Assume that the numbers are large enough to satisfy the frequentist definition of probability.
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