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How many grams of Mg must react with HCl in order to produce 40.0 ml of hydrogen gas at 22 degrees celsius and 1.02 bar?
If the magnesium ribbon weighs 1.83mg/mm, how many mm of the ribbon will you require?
calculate the amount of heat required to completely sublime 99.0 g of solid dry ice co2 at its sublimation temperature.
Assuming the mixture has the same specific heat (4.184J/goC) and density (1.00 g/cm3) as water, calculate the heat (in J) transferred to the surroundings
A steady current was passed through molter CoSO4 until 8.85 g of metallic cobalt was produced. Calculate the number of coulombs of electricity used.
A corrosionist pipetted a 50.00 ml sample of an unknown brine and titrated it with 37.64 ml of 0.1024 M silver nitrate solution. Calculate the ppm of salt (NaCl)in the sample.
the molar enthalpy of vaporization of propane is 15.7 kjmol. at 1.00 atm pressure propane boils at 231.1 k. at what
Write the equation for this reaction, labeling the acid, base, conjugate acid, and conjugate base
Which of the following pairs of molecules is listed in order of DECREASING net dipole moment from more polar molecule to less polar molecule
When agueous solutios of AgNO3 and NaI are mixed,AgI precipitates. What is the balanced net ionic equation
Methane undergoes the combustion, as shown in the chemical equation below. Using bond energies, estimate the energy change for this reaction. Please use the correct bond energy for the CO bond in CO2
Draw the structure(s) of all of the alkene isomers, C5H10, that contain a branched chain. Specify E/Z isomerism in your drawings when appropriate.
Calculate the activation energy for the following reaction if the rate constant for the reaction increases from 84.2 M-1s-1 at 497 K to 1310 M-1s-1 at 794 K.
When an aqueous NaCl solution is electrolyzed, how many faradays need to be transfered at the anode to release .100 mol of Cl2 gas
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