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Lithium iodide has a lattice energy of -730 kJ/mol and a heat ofhydration of -793 kJ/mol. Determine how much heat is evolvedor absorbed when 15.0 g of lithium iodide completely dissolves in water. Express your answer using one significant figure.
Consider the compounds with the generic formulas listed below and their corresponding molar solubilities in pure water.
A 2.914-g sample of gypsum, a hydrated salt of calcium sulfate, CaSO4, is heated at a temperature greater than 170 Celsius in a crucible until a constant mass is reached.
Circle the form in which a peptide bond is typically found. Describe how the structure of a peptide bond affects protein structure.
what must be the pH of a buffered solution saturated with H2S ([H2S]=0.10M) be in order to precipitate PbS leaving [Pb2+]=1*10^-6M without precipitating any MnS
Explain the possible effect of your results of the following experimetnal error or variations (a) the reaction flask you used in the kinetic runs was rinsed with water and not dried
Evaluate the z-component of the angular momentum and the kinetic energy of a particle on a ring that is described by the (unnormalized) wavefunctions e^iΦ ,e^-2iΦ ,cosΦ ,(cosφ)e^iΦ , (sinφ)e^-iΦ
A solution is made by mixing 52.1 grams of propul chloride, C3H7Cl, and 38.4 grams of propyl bromide, C3H7Br. what is the vapor pressure of propyl chloride in the solution at 25 celsius
the combustion of 45.0 of methane natural gas releases 2498 of heat energy. how much energy in kilocalories would
A 41 kg person drinks 250. g of milk, which has a "caloric" value of approximately 3.0 kJ/g. If only 17% of the energy in milk is converted to mechanical work, how high (in meters) can the person climb based on this energy intake?
When 1.543 g of copper(II) sulfate pentahydrate is heated to drive off the water of hydration, how many grams of copper(II) sulfate and water are formed?
1 give an anion that can be added in solution to separatea naaq from agaqb naaq from ca2aq2 write a balanced equation
Calculate the molar solubility of bbarium sulfate, BaSO4, in 0.010 M Sodium Sulfate, Na2SO4, solution at 25C. Compare this to the solubility of BaSO4 in pure H2O. What is the common ion?
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