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Aluminum dissolves in HCL according to the equation written below, whereas copper does not react with HCL: 2Al+6HCL ---> 2AlCl3 + 3H2 a 35 gram sample of copper-aluminum alloy is dropped into .750 L of 3M HCl, and the reaction above proceeds as far as possible. If the alloy contains 77.1% Al by mass, what volume of hydrogen gas would be produced at 22 degrees Celcius and 728 torr?
Write the molecular, total ionic and net ionic equations summarizing the reaction between aqueous solutions of potassium chloride and silver nitrate.
Potassium chloride is used in the kitchen as a salt substitute (in place of sodium chloride). Suppose you were planning to make ice cream but discovered too late that you were out of table salt for making the ice bath.
What is the boiling point of a mixture composed of 95.0 g HOCH2CH2OH (ethylene glycol) and 205 g H2O? The boiling point elevation constant for H2O is 0.512 °C/m.
A sample of H2SO4 contains 1.11 grams of H (1.01 g/mol). How many moles of H2SO4 (98.02 g/mol) are present?
If a bottle of nail polish remover contains 175mL of acetone, how much heat would be released by its complete combustion? The density of acetone is 0.788g/ML.
A gaseous mixture of O2 and N2 contains 36.8% nitrogen by mass. What is the partial pressure of oxygen in the mixture if the total pressure is 685 mmHg.
A 0.2088g sample of an unknown monprotic acid is titrated with 22.10 ml of 0.1000 mol/L KOH. The pH of the solution after the addition of 22.10 ml of base is 5.02. What is the Ka for the acid?
Calculate the delta H and delta S if the temperature of 1.75 moles of Hg(l) is increased from 0.00C to 75.0C at 1 bar. Over this temperatur range, Cp,m(J K^-1 mol^-1)=30.093-4.944 x 10^-3T/K.
Describe the differences in the shapes of the electron density distributions for NH3, NCl3, and PF3. Explain how the energy minimized bond angles
Does Gibbs energy of a gas at room temperature increase or decrease with increasing pressure and constant entropy
if you had 21 moles of oxygen and 8 moles of ethane, what is the most moles of carbon dioxide possible?
A solution of potassium hydroxide of unkown concentration is used to titrate 15.0 mL of a 2.5M sulfuric acid solution. The volume of the base is needed 27.2mL. What is the molarity of the base?
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