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Use given Equation to determine the proper chemical formula and chemical name for the following refrigerants: (a) R-10, (b) R-110, and (c) R-214.
CaHbClcFd is refrigerant number: R-(a-1)(b+1)d, where c=2(a+1)-b-d.
what volume in milliliters of a 0.5 solution of copper ll sulfate cuso4 is needed to react with an excess of aluminum
to what celsius temperature must 63.0 ml of methane gas at 86.0degc be changed so the volume will be 50.0 ml? assume
A student collects 22.4 mL of a gas by the process of water displacement at a temperature of 0 °C. If the barometric pressure is 764.6 torr and the vapor pressure of water at 0 °C is 4.6 mmHg,
The mass of the dry gas is 872 mg. A fragment of the tank indicates that the gas is a monoatomic element. Write out the full name of the gas.
compute the band gap for this semiconductor material after consideing an intrinsic semiconductor with a conductivity
calculate the minimum number of grams of propane that must be combusted to provide the energy necessary to convert
Predict the products of the following reactions. Complete and balance the equations. If the names are given, write the correct formula for the reactants.
How many milliliters of a 9.0 M H2SO4 solution are needed to make 0.25 L of a 3.5 M H2SO4 solution?
a buffer solution is made by dissolving 0.45 moles of a weak acid ha and 0.33 moles of koh into 800 ml of solution.
Calculate the pressure of a sample of hydrogen gas collected over water at 24.7C when the barometric pressure is 729.8 torr (see vapor pressure table) PV=NRT
Using data from the following reactions and applying Hess's law, calculate the heat change for the slow reaction of zinc with water (answer must be in kJ/mol Zn)
The chemical equation for the standard free energy of formation for KBr, CH3Cl, H2S and Pcl5
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