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Does FADH2 have a thermodynamic tendency to reduce coenzyme Q at pH 7? Explain why.
What chemical features and properties of detergents make them better than soap for hard water application?
Explain the role of a spin vane or boiling stones that are added to a liquid that is to be heated or distilled
for the titration of 50.0 ml of 0.020 m aqueous salicylic acid with 0.020 m kohaq calculate the ph after the addition
The heat evolved when a mole of octane undergoes complete combustion is 1303 kcal. This is called the heat of combustion. How many kcal of heat wil be generated when 148 grams of octane react with 952 grams of oxygen? Show calculations.
What is the concentration of a solution of silver nitrate if 50.0mL of the solution reacting with excess potassium chloride gives 10g of precipitate
3-methyl-1butyne yields 2-methyl-2- butanol and 3-methyl-1-butanol by different mechanisms. In each case, a second alcohol would also be obtained. What alcohol would it be
What mass of K2CO3 is needed to prepare 200 mL solution of a solution having a potassium ion concentration of 0.150 M
Chlorine trifluoride is used in processing nuclear reactor fuel. It has a vapor pressure of 29.1 torr at -47.0°C and its heat of vaporization is 30.61 kJ/mol.
container a with 150ml contains a gas with an unknown pressure. container b with volume 250ml contains a gas under 628
The complex formed between Cu(I) and 1,10 phenanthroline has a molar absorptivity of 7000 L cm-1 mol-1 at 435 nm, the wavelength of maximum absorption.
Suppose a snack bar is burned in a calorimeter and heats 2,000 g water by 20 °C. How much heat energy was released? (Hint: Use the specific heat equation.) Give your answer in both joules and calories.
What is the percent-yield of H2 In the reaction below when an equimolar mixture of CH4 and CO2 with an initial total pressure of 20.0 atm reaches equilibrium at 1200. K, at which Kp = 3.548 x 106
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