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Predict the mass of hydrogen gas produced when 2.73 g of aluminum reacts in a single replacement reaction with excess sulphuric acid.
2Al + 3H sub 2 SO sub 4, reaction arrow, 3H sub 2 + Al sub 2 (SO sub 4 ) sub 3.
What is the [OH-] in a solution that has a [H3O+] = 1 x 10-6 M?
Define Both (E) - and (Z)-2-chlorobutenedioic acids dehydrochlorinate to give acetylene dicarboxylic acid. Explain the Z acid reacts about 50 times faster than the E acid.
Each was treated with standard Ca 2+ containing 20 micrograms/mL, diluted with water and analyzed by AA. Construct a std addition graph and use method of least squares to find x-int. and its uncertainty. Determine wt% Ca in Cheerios and its unce..
the heat of combustion of ethanol c2h5ohl is -1367 kjmol. a batch of sauvignon blanc wine contains 10.6 ethanol by
A 10.0 g sample of krypton has a temperature of 25°C at 575 mm Hg. What is the volume, in milliliters, of the krypton gas?
Write a detailed, stepwise mechanism for all steps in the addition of HBr to 1-pentene in the presence of peroxide. Show all intermediates and use cuved arrows as appropraite.
It required 105 s for 1.0 L of the gas to effuse. Under identical experimental conditions it required 31 s for 1.0 L of O2 gas to effuse. Calculate the molar mass of the unknown gas.
The average atomic mass recorded on the periodic table for cobalt is 58.933 u. This indicates that the most abundant isotope of cobalt is. A newly discovered element, X, has two naturally occurring isotopes. 93.5 percent of the sample is an isotop..
The surface area of 100 g of glucose > than that of 1 g. give explanation why the solubility does not increase with the amount of solid deposited at the bottom of the flask?
determine whether a precipitate will form from the following reactants and if one does form write the total and net
Nitric acid is a component of acid rain that forms when gaseous nitrogen dioxide pollutant reacts with gaseous oxygen and liquid water to form aqueous nitric acid. write a balanced chemical equation for this reaction
At equimolar concentrations of Fe+2 and Fe+3, what must [Ag+] be so that the voltage of the galvanic cell made from the Ag+/Ag and Fe+3/Fe+2 electrodes equals zero? The reaction is Fe^+2 + Ag^+ = Fe^+3 + Ag
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