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A pt has a blood Ca level of 4.6 mEq/L If 1mol Ca2+= Eq Ca2+ what is the blood calcium levle in mg/dl
calculate enthalpy change for the quantity of zinc reacted. Be sure to follow the significant figures convention in the answer you report.
WHen 0.075 moles of ammonium sulfate ((NH4)2SO4) are dissolved in enough water to make 337 mL of solution, how many ammonium ions are present?
a 10.00-mL sample of sulfuric acid from an automobile battery requires 35.08 mL of 2.12 M sodium hydroxide solution for complete neutralization. what is the molarity of the sulfuric acid? sulfuric acid contains two acidic hydrogens.
How many grams of silver and how many grams of chloride ions are in 1 L of solution?
Calculate the heat required to convert 25.0 g of C2Cl3F3 from a liquid at 5.00 degress celsius to a gas at 82.00 degrees celsius.
1. Gasoline (assumed to be 100% octane) is combusted in your car according to the following chemical reaction: 2 C8H18 + 25 O2 -> 16 CO2 + 18 H2O
Using the diagram below to help visualize the dilution process, calculate the grams of copper in the Jefferson nickel used to make the initial solution.
Equal volumes of the two solutions are mixed. Assuming the reaction is first order in each reactant, what is the initial rate at 32 degrees C?
the Nernst Equation to calculate the potential on the left and right. (Assume the standard potential for the left side equals 1.33 and the right side equals 0.268
A reaction of the form aA---->Products gives a plot of ln[A] vs time (in seconds) which is a straight line with a slope of -7.35e-3. Assuming [A]0=0.0100M,
How many grams of .49% wt% aqueous HF are required to provide a 25% excess to react with 25 mL of .023 M Th^4+ by the reaction Th^4+ + 4F^- --> ThF4
"Given the following standard reduction potentials, E°redAl3+/Al = -1.66 V. E°redCr3+/Cr = -0.74 V.
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