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Suppose a hydrogen-oxygen fuel-cell generator was used to produce electricity for a house. Use the balanced redox reactions and the standard cell potential to predict the volume of hydrogen gas (at STP) required each month to generate the electricity needed for a typical house. Assume the home uses 1100 kWh of electricity per month
Naphthol with diethyl ether, 2-chloro-benzoic acid and then aqueous sodium bicarbonate? Will any substance not do anything
Formulate a suitable mechanism to account for the reaction of thionly chloride with carboxylic acids to yield the corresponding chlorosulfite.
A stream of propane is throttled from 20 bar and 518 K to 0.42 bar. This process is irreversible due to frictional losses at the nozzle.
Your lab partner is typically spot-on, but today they are having an awful day. Instead of using concentrated sulfuric acid in this exercise, they used concentrated hydrochloric acid.
When 1.543 g of copper(II) sulfate pentahydrate is heated to drive off the water of hydration, how many grams of copper(II) sulfate and water are formed?
Using formal charges, draw the resonance form from among all the Lewis structures that is most important in describing BeCl2.
What volume of ammonia gas measured at 762 mm Hg and 21.0 °C must be absorbed by the same solution to neutralize the HCl?
Determine the concentrations (in M) of acetic acid and sodium acetate in 0.2 M 'acetate' buffer, pH 6.0. The pKa for acetic acid is 4.76.
Compute the difference in the ionization energies for the 1H 2H atoms(The ionization energy is the energy of the transition from the n=1 to the n=infinity energy levels for the hydrogen atom. )?
Assume that the volumes are additive, the specific heat of the solution is 4.18 Jg-1°C-1 and that the density of the solution is 1.00 g mL-1 Calculate the enthalpy change, ?H in kJ for the reaction
Methane can be decomposed into two simpler substances, hydrogen and carbon. Therefore, methane
A canister is filled with 380g of ice and 100. g of liquid water, both at 0 C. The canister is placed in an oven until all the H2O has boiled off and the canister is empty. How much energy in calories was absorbed?
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