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What is the minimum volume of 7.0M HCl required to completely dissolve 14.0 grams of magnesium metal?
What is the molarity of ZnCl2 that forms when 30.0 grams of zinc completely reacts with CuCl according to the following reaction? Assume a final volume of 275.
Dicarbonyl compounds, such as benzil, can be characterized by reaction with o-phenylenediamine to form a substituted quinoxaline.
Determine the number of significant digits in each number and write out the specific significant digits.
Determine the freezing point of a solution which contains 0.31 mol of sucrose in 175 g of water. Kf = 1.86°C/m
Determine the mass of Al is needed to combine with 3.077 kilo grams of Ammonium per chlorate NH 4 ClO 4 for this reaction? express your answer in units of g
Reduce the production of hazardous waste and encourage recycling and reuse of hazardous materials by charging producers a tax or fee for each unit of waste generated.
An unknown compound contains carbon, hydrogen, oxygen, and sulfur atoms. When a 10.00 mg sample of the unknown compound was combusted, it produced 16.27 mg of CO2, 5.55 mg of water, and 7.90 mg of SO2.
Caffeine, C8H10N4O2, is a stimulant found in tea and coffee. A sample of the substance was dissolved in 41.5 g of chloroform, CHCl3, to give a 0.0940 m solution.
determine the initial concentration - Constant rate is 3.20×10-4 M/s for a zero-order reaction. concentration has dropped to 9.00×10-2 M after 60.0 seconds
The rate of disappearance of HBr in the gas phase reaction is 0.103 Ms-1 at 150 deg Celsius. what is the rate of reaction.
At a certain temperature, the Kp for the decomposition of H2S is 0.726 H2S = H2+S initally only H2S is present at a pressure of 0.126 atm in a closed container.
Compute the pressure of the system express your answer in kPa. suppose the force of gravity = 9.81 m/sec^2 , density of mercury =13600 kg/m^3.?
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