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1. Write a balanced equation to represent the dissociation of each of the following ionic compounds.
a) cobalt (II) chloride
b) aluminum sulfate
2. Calcium chloride and magnesium chloride are compounds that can be used to melt ice on the roads in cold, snowy climates. Both compounds are highly soluble in water. Explain why these compounds would be effective de-icers.
When a carboxylic acid is reacted with a strong base, the product is aA.carboxylic acid
sample of 30.0 ml of krypton gas kr is at 756 mm hg and 25.0 degree celsius. what is the new volume if the pressure is
Calculate the distance NH3 gas and HCl gas would travel if a 100.0-cm tube were used, based on the accepted molar mass of the two gases
1. compare the reciprocal regulation of glycolysis and gluconeogenesis based on the following criteriaa resting state
grignard reagent made from magnesium and 1-chloro-2-methylpropane with lables charges on the C-Mg bond
Assume that the heat was completely absorbed by the water and no heat was absorbed by the reaction container or the calorimeter or lost to the surroundings. Calculate the Hrxn per mole of SiH4.
when solid copper is added to nitric acid, copper nitrate, nitrogen dioxide, and water are produced. write the balanced chemical equation for the reaction list sis mole ratios for the reaction.
Calculate the concentration in molarity of argon in a fish tank at 25 degrees Celcius, if the pressure is 1.15atm and the mole fraction of argon in the atmosphere is 0.093. The KH for Ar at 25 degrees Celcius is 1.5*10^-3M/atm.
the enthalpy fusion of methanol is 3.16 kJ/mol. How much heat would be absorbed or released upon freezing 25.6 grams of methanol?
Calculate the pH and pOH of a solution that has an H2O+ concentration of 1.3 x 10 -6M.
3-nitrophthalic acid will be first converted into 3 nitrophthalhydrazide by reacting with 25% hydrazine. Reduction of the nitro group to an amino group with sodium hydrosulfite affords luminol.
Atmospheric pressure decreases as altitude increases. In other words, there is more air pushing down on you at sea level, and there is less air pressure pushing down on you when you are on a mountain.
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