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Give the quantitative species inventory for the result of the mixture of the following substances, 2.00 mols Cl2, 1.00 mols Br2, 0.50 mols I2, 0.50 mols NaCl, 1.00 mols NaBr, and 2.00 mols NaI.
Assume that each photon has sufficient energy to eject one electron. (Note currents are reported as positive values.)
A flask contains 0.110 mol of liquid bromine, rm Br_2. Determine the number of bromine molecules present in the flask.
Calculate the work done on a 2500. kg car in accelerating it from rest to a speed of 100. km/hr.
A sample of gas occupies 15.0 liters at 4.00 atmospheres and 300 K. What is the new volume of the gas if pressure is decreased to 2.00 atmospheres and temperature is increased to 400 K?
How much of a 6.0 M sucrose solution should be used to make 79.0 mL of a 0.055 M solution.
Concentrated acids and bases may fall outside this range. Calculate the pH of hydrochloric acid, if the solution is sold as 37 % by weight (37 g HCl / 100 g solution) with a density of 1.18 g/mL.
A common rocket propellant is a mixture that includes liquid hydrazine, N2H4, as a fuel and liquid hydrogen peroxide, H2O2, as an oxidizer. The products formed are nitrogen, N2(g), and water, H2O(g).
Helium= ? g/mL Neon= ? g/mL Carbon monoxide= ? g/mL Nitrogen monoxide= ? g/mL If the density of air at 25 degrees C and 1.00 atm is 0.00117 g/mL, will any of the balloons float in this air? Which ones?
Calculate the deltaG in kJ for this reaction at 37 oC to the nearest tenth of kJ. Only include the numerical part of your answer, do not include units
if 8.6L of H2 reacted with 4.3L of O2 at STP, what is the volume of the gaseous water collected (assuming that none of it condenses)?2H2(g)+ O2(g)--> 2H2O(g
Explain why dichloroethene has a boiling point of 60 degrees C while trans-dichloroethene as a boiling point of 48 degrees C. Include drawings of the structures with dipoles in your answer.
At high temperature, cyclopropane is converted to propene, the materialfrom which polypropylene plastics are made. The reactionwas monitored and the data below was collected:
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