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Define a protein, and describe one important function of proteins in the human body.
the molar heat of vaporization of acetic acid hc2h3o2 is 24.3 kj mol-1 at its boiling point. how many kilojoules of
Assume constant temperature and the reaction goes to completion, producing as much nitrogen dioxide (NO2) as possible according to the following equation. What is the total pressure, in atm, in the system after the reaction?
diethyl ether is a volatile organic compound. the vapor pressure of diethyl ether is 401 mm hg at 18 degrees celsius
Give the percent yield when 28.16 g of CO2 are formed from the reaction of 4.000 moles of C8H18 with 4.000 moles of O2. 2 C8H18 + 25 O2 ? 16 CO2 + 18 H2O
Antacid #1 has 1700 mg of sodium bicarbonate, antacid #2 has 500 mg of calcium carbonate. Which tablet is capable of reducing the most acid and why
Draw all possible mesomeric structures of the carbocationic intermediate in the chlorination of benzoic acid. Explain why m-chlorobenzoic acid is the main product
In an experiment where aniline is reacted with acetic anhydride to form acetanilide, how do you calculate the theoretical yield of acetanilide?
write a chemical equation with symbols for the word equation
A solid sample containing some Fe^2+ ion weighs 1.062 g. It requires 24.12 mL 0.01562 m KNno4 to titrate Fe^2+ in the dissolved sample to a pink end point
What is the pH of an aqueous solution of KOH if its density is 1.0242 g/mL. the molar weight of KOH is 56.1 g/mol. The KOH is exactly 3.00% of the solution by weight.
Give the trend for atomic radius across a period and down a group, and explain each of these trends in terms of attraction, repulsion, and effective nuclear.
The other criterion is very basic and relates to whether simple or fractional is selected
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