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A compound has been analyzed and has been found to have the following composition: copper, 66.75%; phosphorus, 10.84%; oxygen, 22.41%. Determine the empirical formula of the compound.
Calculate delta E for the combustion of a gas that releases 195.0 kJ of energy to its surroundings and does 54.5 kJ of work on its surroundings.
Calculate the vapor pressure of Hg at 86 oC (in atm). Hg(l) ? Hg(g) ?Ho = 61.32 kJ and ?So = 98.83 J/K
Estimate the mass of KHP that will require 25 mL of 0.10 M NaOH to reach the equivalence point in a titration.
Ethanol (molar mass = 46 g/mol) can be dehydrated to yield ethene (molar mass = 28 g/mol) by heating it with an excess of concentrated sulfuric acid (acting as a catalyst).
question-if start with 9.3 gr of li how may grams of h2 can you make?nbspli h20 ----gt lioh h2if it starts with 3.4
A particular compound contains, by mass, 41.4 % carbon, 3.47 % hydrogen, and 55.1 % oxygen. A 0.050-mol sample of this compound weighs 5.80 g. What is the molecular formula of this compound
What is the value of Keq for the reaction 4 HCl(g) + O2(g) reverse reaction arrow 2 Cl2(g) + 2 H2O(g)?
During the chlorination of drinking water and wastewater, what is it that makes chlorine an effective microbiocide?
what is the role of lithium hydroxide in the removal of the carbon dioxide exhaled by astronauts?
Draw the mechanism of the addition of HBr to cyclohexene. Identify each step, indicate intermediates.
Sulfur dioxide gas reacts with oxygen gas to form sulfur trioxide gas. My answer was 2SO2+O2? 2SO3
When 2.00 g of hydrazine (N2H4) decomposed under constant-pressure conditions, 7.00 kJ of heat were transferred to the surroundings. What is pH for the following reaction? 3 N2H4(l) --> 4 NH3(g) + N2(g)
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