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2 Al(s) + 6 HCl(aq) → 2 AlCl3(aq) + 3 H2(g) What is the mass of aluminum metal that reacts to give 1 g of hydrogen gas?
Determine the barometric pressure of water If a mercury (Hg)barometer reads 755 mmHg,?Express your answer in cm?
How many hours will it take to produce 61.0 kg of Al metal by the reduction of Al3+ in an electrolytic cell using a current of 484 amps?
Find the rate of the reaction - What is the rate of the reaction?
How many moles of Mg3N2 would be produced when 180.0 g of Mg reacts with 85.0 g of N2.
Water self ionizes to a small extent creating equal concentrations of hydronium and hydroxide ions. What is the molar concentration of these ions in water at 25oC.
Cd2 forms two complexes with C2H3O2, with the following formation constants:(a) Find K2 for the reaction, (b) You prepare 1.00 L of solution containing 0.110 mol CH3CO2Na and 4.00 × 10-4 mol Cd(ClO4)2. Compute the fraction of cadmium in the form ..
the frequency factor a is 8.7x 10 12 s- and the activation energy is 63 kj/mol, What is the rate constant for the reaction at 75C
A sample of neon gas used in a neon sign occupies a volume of 1.50 L at a pressure of 630 torr. Calculate the volume of the gas if the pressure in the glass tube of the sign is 793 torr.
The excess of acid needed 16ml of 0.25M Naoh for neutralization. then Calculate the percentage of calcium carbonate and magnesium carbonate?
Which compound is more reactive toward electrophilic substitution e.g nitration? Explain you reasoning.
You have successfully purified a protein to homogeneity. From gel permeation chromatography studies, you determine that the protein has a molecular weight for 235,000 daltons.
A solution of M(NO3)2 is electrolyzed. When a constant current of 2.50 amperes is applied for 35.0 minutes, 3.06 grams of the metal M is deposited. calculate the molar mass of M and identify the metal
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