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After 53.0 min, 34.0% of a compound has decomposed. What is the half-life of this reaction assuming first-order kinetics?
4HCl MnO2=MnCl2 2H2O Cl2. When .375 moles of HCl reacts with excess MnO2, a.) How many moles of Cl2 form? b.)How many grams of Cl2 form?
The below table lists pressure and volume measurements for air in a cylindrical piston of an air compressor. The variables may be assumed related
Write the overall cell reaction of each. Identify the anode and cathode of each. Arrange the three metals in order of decreasing ease of oxidation(most easily oxidized metal first
Equilibrium shift of the reaction and the pH of solution, 1. The pressure on each of the following systems is decreased from 5 atm to 1 atm. Which way does the equilibrium shift in each of the following systems?
Nitrogen (80 kPa), oxygen (21.0 kPa), carbon dioxide (0.03 kPa), and water vapor (2.0 kPa) are the usual atmospheric components. What is the total atmospheric pressure in kPa.
how many grams of gold would plate on the metal used for the medallion? Explain what you are thinking as you show your calculations.
-Calculate the number of mmol of Br2 present in 0.48mL of bromine solution, -Calculate the number of mmol in 100 mg of trans-cinnamic acid (use a MW calculated to 2 decimal places)
Calculate the percent yield if the actual yield of aluminum oxide is 0.423mol.
What is the isentropic work required for the ideal gas case? C) If the comppressor has an efficiency of 0.78 and is NON-ideal, what is the final temp and required work?
what are the H3O+ and OH- concentrarions in a 125 mL solution prepared with 0.100 mol pf NaOH and water?
To calculate the number of molecules of a gas using ideal gas law and Avogadro's number - How many ozone molecules are present in 1.0 L of air under these conditions?
The vapor pressure of pure methanol, CH3OH, at 30 C is 160. torr. How many grams of the nonvolatile solute glycerol, C3H5(OH)3, must be added to 131. g of methanol to obtain a solution with a vapor pressure of 133. torr.
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