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Lewis Structure for a Nitrate Ion (NO3-1). Assign the formal charge for the central atom, Nitrogen. What is that formal charge
An equilibrium mixture contains 0.750 mol of each of the products (carbon dioxide and hydrogen gas) and 0.200 mol of each of the reactants (carbon monoxide and water vapor) in a 1.00-L container.
Describe the Bohr effect in oxygen binding by hemoglobin, including all structural
Calculate how long will it take for a sample of radionuclide with a half-life of 27.1 days decay to 1.0% of its original value.
A 4.90 g nugget of pure gold absorbed 266 J of heat. What was the final temperature of the gold if the initial temperature was 23.0°C? The specific heat of gold is 0.129 J/(g·°C).
The freezing point of an aqueous solution containing 15 g of a nonelectrolyte in 150 mL water is -5.4°C. What is the molecular weight of the compound? Kf = 1.86°C/m for water.
The chiral carboxylic acid A (C5H6O2) reacts with 1 mol of hydrogen gas on catalytic hydrogenation. The product is an achiral carboxylic acid B (C5H8O2). What are the structures of Compounds A and B?
total molarity of acid and conjugate base in this buffer. A boy mixes 5.70mL of a 0.330M Hydrochloric acid solution to the beaker. Determine the pH change if The pKa of acetic acid = 4.760.
Explain how the acid hydrolysis of starch differs from the enzyme catalyzed hydfolysis. Compare products as well as conditions of time and temperature
Explain the following given for each statement in determining the sequence of peptide with concise (short) but complete response. you must state the specificity of each statement implication in determining the sequence of octapeptide.
A container with a volume of 101 L contains how many atoms of argon gas at STP?
One cup is equivalent to 237. mL. If 1 cup of oil has a mass of 210. g, what is the density of the oil (in grams per cubic centimeter)?
In the titration of a solution of a weak monoprotic acid with a .1325M solution of of NaOH, the pH was halfway to the equivalence point was 4.42.
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