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(a) What would be the calculated magnetic moment of [Ni(H2O)6]2+ ?
(b) What kind of metals are extracted by electrometallurgy? Give an example.
(c) In the later actinides, why does the +3 state become predominent?
(d) What is YAG and what are its uses?
State equations for the dissolving process in water for each of the following showing ions or molecules that form:
Complete and balance the equation for this reaction in acidic solution. Phases are optional
State the balanced net equation for the reaction that takes place when 0.1 M solutions of cadmium (II) nitrate and ammonium carbonate are mixed.
An ENVIRONMENTAL SCIENCE CLASS
How does bright light differ from dim light of the same color in terms of photons
A chemistry student needs 80.0mL of acetone for an experiment. By consulting the CRC Handbook of Chemistry and Physics, the student discovers that the density of acetone is 0.790g cm^-3.
Compute the pH of a solution containing 0.1000 M monosodium glutamate (MSG) that is a extensively used food additive/flavoring agent associated with a taste sensation of "umami" if pKa1 (a-COOH) = 2.16, pKa2 (COOH) = 4.30 and pKa3 (NH3+) = 9.96.
HZ is a weak acid. An aqueous solution of HZ is prepared by dissolving 0.020 mol of HZ in sufficient water to yield 1.0 L of solution. The pH of the solution was 4.93 at 25.0 °C.
When alkynes are treated with sodium metal, NA, in liquid ammonia, sodium acts as a: A) Bronsted acid B) Bronsted base C) reducing agent D) catalyst and if possible why
A hot-air balloon has a volume of 875 L. What is the original temperature of the balloon if its volume changes to 955 L when heated to 56 degrees celcius
What is the pH of 1.00 L of rainwater that has dissolved 5.47 mg of NO2? Assume that all of the NO2 has reacted with water to give nitric acid. list an example of a strong acid and write its balanced chemical reaction when placed in water.
a solution containing 10 grams of an unknown liquid and 90 grams of water has a freezing point of -3.33 degrees celcius
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