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Two chemicals, A and B are combined forming chemical C. The rate of the reaction is mutually proportional to the amounts of A and B not yet converted to C. Primarily there are 200 grams of A and 300 grams of B and during the reaction, for each gram of A used up in the conversion there are three grams of B used up. An experiment illustrate that 75 grams of C are produced in the first ten minutes. After a long period of time how much of A and of B remains as well as how much of C has been produced?
Calculate the pressures, P, in atmospheres at which the mean free path, l, of a hydrogen molecule will be 2.00 ?m, 2.00 mm, and 2.00 m at 20.0 °C. The diameter of a H2 molecule is 270 pm
At equilibrium, the concentration of [H2]= 0.6 M. What is the EQUILIBRIUM concentration for [H2],[I2]and [HI]? H2(g) + I2(g) 2 HI(g) [HI] =
nitroglycerin C3H5(NO3)3 detonates into N2, O2, CO2, and H2O. In addition 6.26 kJ of heat is given off per gram of nitroglycerine denotated. what is the specific heat when 4.65 g of N2 is formed
How many trees are required to offset the carbon dioxide emissions from an individual who drives 15000 miles every year at a fuel efficiency of 30mpg? Average tree removes 610 kg of CO2 every year, formula for gas is C8H18 with density of .73 mL O..
Why is it important that your distillation apparatus to have a vent to atmospheric pressure and why do you put a boiling chip
In 50.1 grams of water, the solubility of KF is 10.1 grams. How many grams of KF dissolve in 133.0 grams of water
What is the purpose of putting anti-freeze in your car radiator? (Anti-freeze is usually Ethylene glycol)
Calculate the standard free-energy change at 25 ^ \circ \rm C for the following reaction using the table in the introduction
the activation energy for the reaction o o3 ? 2o2 is 25 kjmol and the enthalpy change is ?h -388 kjmol. what is the
A 27.0-g sample of water at 250. K is mixed with 47.0 g water at 310. K. Calculate the final temperature of the mixture assuming no heat loss to the surroundings.
A 100. mL sample of 0.200 M aqueous hydrochloric acid is added to 100. mL of 0.200 M aqueous ammonia in a calorimeter whose heat capacity (excluding any water) is 480. J/K. The following reaction occurs when the two solutions are mixed.
2 NH3(g) + 3 O2(g) + 2 CH4(g) → 2 HCN(g) + 6 H2O(g) If 5.08 103 kg each of NH3, O2, and CH4 are reacted, what mass of HCN and of H2O will be produced, assuming 100% yield?
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