Select the ions or atoms from the sets
Select the ions or atoms from the following sets that are is electronic with each other: (a) Na+, Sr2+, Br- (b) Y3+, Br-, Kr (c) N3-, P3-, Ti4+ (d) Fe3+, Co3+, Mn2+
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Assuming the specific heat of the resulting solution is equal to that of pure water; determine the final temperature of the solution if the molar heat of solution of a substance is found to be +31.5 kJ/mol.
Explain how much heat is released when the 4.25 g of propanol is burned? Determine the numbers of grams of propanol must be burned to obtain the 150. kJ of heat ?
Provide the grams H, C, and O present in the substance, the empirical mass, the empirical formula and the molecular formula of the substance. Where the molar mass 116.16 g/mole
Write down the equation for the reaction, if any, of lithium with the nitrogen. If there is a reaction producing the LixNy, determine the value of x+y?
Calculate the covariance. (Give your answer correct to two decimal places.) Calculate sx and sy. (Give your answers correct to three decimal places.)
Determine the ratio of the more stable chair conformation to the less stable conformation at equilibrium at 298Kfor the following compounds: iodocyclohexane and cholrocylcohexane.
Determine the energy difference among the least stable chair confirmation of trans-1,4-dimethylcyclohexane and the most stable confirmation of cis-1,3-dimethylcyclohexane by using a value of 3.6 kJ/mol for a gauche butane interaction.
A solution is prepared in a 0.900 L volumetric flask by placing 16.5 g of KCl and adding water to dissolve the solid, then filling the flask to the mark.
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