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Kc for the reaction CO2 + H2--------H2O + CO is 1.6 at about 990 C. Calculate the number of moles of carbon dioxide in the final equilibrium system obtained by initially adding 1.00 mol of H2, 2.00 moles of CO2, 0.750 mol of H20, and 1.00 mol of CO to a 5.00 L reactor at 990 C.
a saline solution contains 150 mEq/L each of Na+ and Cl- how many moles of Na+ and Cl- are in 2.50L of the solution
The overall reaction is CH3CHO ---> CH4 + CO + C2H (small traces of ethane) Determine the rate law for each step if that step was the rate-determining step.
If the total mass of the mixture is 452.2 g, what masses of CaCl2 and water should be used?
what is the molar mass of gas if 0.250 g of the gas occupies 215 mL at 61 8mmHg and 30. 0C
The complex formed between Cu(I) and 1,10 phenanthroline has a molar absorptivity of 7000 L cm-1 mol-1 at 435 nm, the wavelength of maximum absorption.
Potassium metal reacts with water to give potassium hydroxide and hydrogen gas. If 50.0mL of hydrogen gas is produced at STP, what is the mass of potassium that reacted
Two solution are mixed together: a solution containing 0.00226 moles of HNO3 and a solution containing 0.00421 moles of NaOH. How much NaOH will remain after the reaction
The following chemical equilibria are studied in this experiment. To become familiar with their behavior, indicate the direction, left or right, of the equilibrium shift when the accompanying stress is applied to the system
The material was used for thermal insulation in the 2003 Mars Exploration Rover. If the maximum space for insulation in the spacecraft's hull was 2294 cm3, what mass (in grams) did the aerogel insulation add to the spacecraft?
A 4.70 g nugget of pure gold absorbed 260 J of heat. The initial temperature was 28.0°C. What was the final temperature.
Data: 2Ba(s) + O2(g) => 2BaO(s) ?H = -1107.0 kJ Ba(s) + CO2(g) + 1/2O2(g) => BaCO3(s) ?H = -822.5 kJ Given the data above, calculate ?H for the reaction below
A saturated solution of copper(II) sulfide, CuS, has [Cu^2+]=1.1x10^-18 M. what is the value of Ksp for CuS
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