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Compute the energy separation in joules, kilojoules per mole, electron volts, and reciprocal centimeters between the levels (a) n = 3 & n = 1 (b) n = 7 & n = 6 of an electron in a box length 1.50 nm.
looking at altast transamination pathway what would be the cascade effect if the pirydoxyl amine phosphate has a
The average person burns 12000 kJ of food energy per day(2,800,000 cal.) If the heat of combustion of sugar is 4000 cal/g, and the heat of combustuio of fat is 9000 cal/g: How many grams of sugar must eat to get a day's supply of energy
A 27.0-g sample of water at 270. K is mixed with 49.0 g water at 340. K. Calculate the final temperature of the mixture assuming no heat loss to the surroundings.
What is the steric number for either N in N2 and What is the steric number for the O atom in water? Draw the Lewis formula for water before answering the question.
What is the enthalpy of this reaction? Assume that no heat is lost to the surroundings or to the coffee cup itself and that the specific heat of the solution is the same as that of pure water.
In a simplified and example version of the solar system model (developed by Neils Bohr, a Danish chemist), an electron in the first orbit has an energy of 2 J
Life is dependent on four major classes of biomolecules. What are they. Why are they important
Calcium oxide reacts with water in a combination reaction to produce calcium hydroxide: A 5.50-g sample of \rm CaO is reacted with 5.31 g of H_2O. How many grams of water remains after completion of reaction
AMines can be made by the reduction of nitriles, which in turn can be made from an alkyl halide. Draw the structures of a starting alkyl bromide and the intermediate nitrile that would be used in the synthesis
Ammonia is produced by the reaction of hydrogen and nitrogen N2(g)+3H2(g)--->2NH3(g). a) How many moles of H2 are needed to react with 1.0 mol of N2? b) How many moles of N2 reacted if 0.60 mol of NH3 is produced?
1 mole of monoatomic ideal gas is initially at T=300K, V=10L. Calculate w, q, deltaU, deltaH, deltaS, and delta S(surr) when the gas is expanding adiabatically against a constant external pressure p(ex) = 1 bar to a final volume of 20 L.
Consider the reaction, 2 Al(OH)3 + 3 H2SO4 ->Al2(SO4)3 + 6 H2O. How many grams of Al2(SO4)3 are generated when 152 g of H2SO4 reacts?
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