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a) A gas occupies 8.4 L at a pressure of 740 mmHg. The gas expands at constant temperature to a final volume of 15.5 L. Compute the new pressure.
b) A 2.5 L sample of gas at 1.25 atm is heated from 20oC to 120oC at constant pressure. What is the final volume of the gas?
Fully explain two disadvantages of the colorimetric method to determine the concentration of species over te classial titration method. using two chemichal reactions explain how iodate ions and ypochlorite ions both act as oxidizing agents
Calculate the final temperature of a mixture of 100.0 g of ice initially at -16.0 degrees C and 375.0 g of water initially at 90.0
Reaction of NO with chlorine to yield NOCl is pseudo-first order if NO is present in a large excess. Determine the rate constant of this reaction i
How many grams of H3PO4 are in 175 mL of a 3.5 M solution of H3PO4?
Nitrogen dioxide reacts with water to form ammonia and oxygen. At a temperature of 23.0 degrees Celsius and a pressure of 1.01 atm, how many grams of ammonia can be produced when 9.00L of nitrogen dioxide react?
Explain why bromobenzene is unreactive to both sodium iodide in acetone and silver nitrate in ethaol, while benzyl chloride is reactive
A procedure called coulogravimetric analysis combines a weight determination with a measurement of the quantity of electricity in a controlled-potential electrolysis to analyze bromide-chloride mixtures
Calculate the amount of work done against an atmospheric pressure of 1.00 atm when 500.0 g of zinc dissolves in excess acid at 30.0°C.
What is the half-life of this reaction assuming first-order kinetics?
In which of the following would the bonding be weakened with the addition of an electron to form the negative molecular ion?
How many grams of nitrogen dioxide (NO2) are required to produce 260 grams of nitrogen monoxide, NO?
How many grams of H2 are needed to react with 3.10 g N2?
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