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When the cations Na+, K+, Rb+, Cs+ are combined with chloride ion in the gas phase to form ion pairs, which pair formation releases the greatest amount of energy?
A) KCl
B) All release the same amount of energy
C) RbCl
D) NaCl
E) CsC
An engineer was trying to minimize greenhouse gases from car exhaust and was studying the gases that come from the trail pipe of a car at 800K.
2.9 mol Fe(OH)3 and 7.7 mol H2SO4 react according to the equation 2 Fe(OH)3 + 3H2SO4 -!> Fe2(SO4)3 + 6H2O. If the limiting reactant is Fe(OH)3, calculate the amount of Fe2(SO4)3 formed. Answer in units of mol.
write a complete ionic equation and if there is a phase change you need to then write a net ionic equation and list the spectator ions copper (ii) sulfate plus silver nitrate equals copper (ii) nitrate and silver sulfate
A 248 mL gas sample has a mass of 0.436 g at a pressure of 753 mm Hg and a temperature of 27 degrees celcius.what is the molar mass of the gas
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Provide the name of the major alkene product that results when (2S,3S)-2-bromo-3-methylpentane is treated with sodium methoxide in
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Calculate the temperature (K) at which the equation as written is at equilibrium. Express your answer to three significant figures.
what is the quantity in grams of formic acid and sodium formate necessary to make 500 mL of a buffer that has a formic acid concentration of .75 M and a sodium formate concentration of .75 M?
The state function to describe a particle on a sphere is given as Ψ=2sin^2(?)+cos?(θ).calculate the expectation value of its angular momentum about the z-axis, energy and the square of the total angular momentum L^2.
How many grams of magnesium must react to displace 12.5 g of silver from a solution of silver nitrate?
If you set the freezing point of oleic acid as 0 and the boiling point as 130, what is the freezing point of water on this new scale?
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