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Draw an energy diagram for the enthalpy of solution of NaCl given that the lattice energy is 773 kJ/mol, the enthalpy of hydration is -769 kJ/mol with an enthalpy of solution equal to 4 kJ/mol.
When 325 g Bi2O3 reacts with excess carbon, how many moles of Bi are expected to form?
Reaction rate laws are frequently used to investigate reaction mechanisms. Would your results to this experiment be consistent with either or both of the following mechanisms?
calculate the Henry's law constant for oxgen solubility in freshwater undr these conditions
Suppose 1500 J of heat energy are put into a sample of liquid water at 25 degrees celsius, and the final temperature of the water is 75 degrees celsius. How many grams of water are present?
What is the IUPAC name for Fructose. Not the 1,3,4,5,6- Pentahydroxyhex-2-
The density of acetic acid vapor at the normal boiling point, 118.5 degrees C, is given by 3.15 g/L (normal boiling point is the boiling temperature at P = 1 atm). a) calculate the fraction of the vapor that is monomer and the fraction that is dime..
From your previous knowledge of the tendencies of certain metals to rust or tarnish, and from your reading in this experiment, select at least three metals from the following list which are quite active, three which are moderately active,
Calculate the mass of nitrogen dissolved at room temperature in an 94.0 home aquarium. Assume a total pressure of 1.0 and a mole fraction for nitrogen of 0.78.
Calculate: Solution Density Mass fraction and % (sodium acetate) Mole fraction (sodium acetate) Molarity molality molality of solute particles
For each of the following experimental or calculations errors, tell of the calculated value of R, writte if would be too high, too low or unchanged.
Calculate how much water must melt in order to reach exactly 0 degrees celsius at thermal equilibrium. b) Calculate the entropy changes for ice, liquid water and the total entropy change.
The jewelry contains only gold and silver, which have densities of 19.3 and 10.5 , respectively. If the total volume of the jewelry is the sum of the volumes of the gold and silver that it contains, calculate the percentage of gold (by mass) in th..
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