Determine the radius of the copper atom
Copper crystallizes in a face-centered cubic lattice. If the edge of the unit cell is 351 pm, what is the radius of the copper atom?
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How many protons must combine to make one He nuclei every second to provide the luminosity of the sun? Estimate how long the Sun could go on at this rate before all its protons were used up.
A sample of an ideal gas at 15.0 atm and 1.0L is allowed to expand a constant external pressure of 2.00 atm at a constant temperature. Calculate the work in units of kJ for the gas expansion.
What is B(A+C)/A in cartesian notation? Express B, A and ( A+ C) in polar notation and repeat the above question.
The elevator accelerates upward with constant acceleration for a distance of 3.6 and then starts to slow down. What is the maximum speed of the elevator?
What is the Magnitude of the resulting impedance , Z, (in ohms) and current I , (in amps) when it is hooked up to a 60 Hz 220 v outlet?
A mixture of 100 g of K2Cr2O7and 200 g of water is stirred at 60°C until no more of the salt dissolves.The resulting solution is poured off, leaving the undissolved solid behind.
To what two classes of compounds can primary alcohols be oxidized?What determines which product results from such an oxidation?
Compare the relative reducing strengths of LiAlH4 and NaBH4. What functional groups are reduced by each?
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