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What is the molecular formula of a compound given the molar mass of the compound is 205.4 g/mol and the empirical formula is C3H5?
Determine the equilibrium concentrations - what are the new equilibrium concentrations of all species.
The density of aluminum is 2.70 g/cm3 and the density of chromium is 7.19 g/cm'.If equal masses of aluminum and chromium are transferred to equal volumes of water in separate graduated cylinders.
Which of the following isotopes is more likely to decay via positron emission rather than electron emission.
A sunscreen preparation with a density of 2.82 g/mL contains 3.55% by mass zinc(II) oxide. Each tube is filled with 185.0 mL of sunscreen. If you are the manufacturer and use 5.00 lb of zinc(II) oxide.
Write the balanced chemical equation and determine How much propane is required to cook a pork roast that needs 1.6x10 3 kJ
What is the solubility product constant? Given Ksp = 1.1 x 10^-3 for BaF2(s), calculate the molarity of Ba+2 in a saturate solution of BaF2 (at equilibrium).
the heat of combustion of butane is -2878kj/mol assume a typical cigarette litter hold about 1.75 grams of butane how much energy would be released
What is the pH of a solution that has a formic acid (HCHO2) concentration of 0.39 and a potassium formate (KCHO2) concentration of 0.12? The Ka for formic acid is 1.7 x 10-4.
At 10 degrees, Kc = 56.3 for the reaction below. H2 + Cl2 --> HCl
What would the change in temperature be in each change if 1 mole of an ideal gas is subjected to numerous changes in state, C= 12.47 J/Kmol.?
What mass of HClO4 should be present in 0.600 L of solution to obtain a solution with a pH of 2.50?
Application of Avogadro's law - To evaluate the volume of a gas using Avogadro's Law.
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