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One of the main components of hard water is CaCO3. When hard water evaporates, some of the CaCO3 is left behind as a white mineral deposit. If hard water solution is saturated with calcium carbonate, what volume of the solution has to evaporate to deposit 1.00 x 102 mg of CaCO3.
calculate the heat energy released when 15.1g of liquid mercury at 25 degrees C is converted to solid mercury at its melting point
find the probability of finding an electron in a 10 nm one dimensional box between 0.1 nm and 0.2 nm.
Calculate the pH when 6.00 mL of 0.100 M HCl(aq) is added to 100.0 mL of a buffer solution that is 0.100 M in dimethylamine (aq) and 0.100 M in dimethylamine hydrochloride (aq). Use the pKa given in your textbook (Harris, appendix G).
What is the product expected from the reaction of 1.3-butadiene and 3-sulfolene. Why is this not a major concern as a by product
Determine what volume of .1 M HBr is required to neutralize 50 ml of .140 M Barium hydroxide and determine the normality of a solution consisting of 10.51 mg of NaOH in 591 mL of solution
What is the pH of a 1.2M solution of sodium nitrite, NaNO2? the Ka for nitrous acid (HNO2) is 4.5x10^-4be as specific as possible and list all the steps
For each of the following reactions, identify which reactant is the Lewis acid. Select 1 if the first listed reactant is the Lewis acid or 2 if the second listed reactant is the Lewis acid
Write the chemical reaction for: KH2PO4/K2HPO4 buffer solution + NaOH (aq) and Write the chemical reaction for: KH2PO4/K2HPO4 buffer solution + HCl (aq)
an unknown organic compound is mixed with 0.5190 g of naphthalene crystals to give a mixture having a total mass of
To learn how to calculate the solubility from Ksp and vice versa. Consider the following equilibrium between a solid salt and its dissolved form (ions) in a saturated solution:
A piece of metal with a mass of 18.2 grams was dropped into a graduated cylinder containing 16.50mL of water. The graduated cylinder after the addition of the metal is 18.40. Determine the density of the metal.
How is the number of unpaired valence electrons in an atom related to the number of bonds that the atom can form
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