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consider the reaction : 3A (g) + 2B (g) = 4 C (g) a ) determine the expression for the rate of the reaction with respect to each of the reactants and products ? b ) when ( C ) is increasing at a rate of 0.043 M/s , what is the rate of the reaction ? c ) when ( C ) is increasing at a rate of 0.043 M/s . how fast is ( A ) decreasing ? please explain
Write an equation for the sequential hydroboration and H2O2/OH ¯ oxidation of 4-ethyl-3- heptene. Indicate the main monosubstitution products in each of the following reactions.
Suppose a black-body chamber is constructed from 55.8 g (one mole) of iron and heated to 500 K. Classical theory and the observations of Dulong and Petit indicate that the total energy of vibration of iron atoms is 3RT per mole.
A sample of helium gas has a volume of 241 mL at 0.83 atm. What pressure is needed to reduce the volume at constant temperature to 35 mL.
A closed container holds 3.14 mol of C(s) and 12.3 mol of O2(g) at 4.94 atm and -4°C. After the reaction has been run to completion (the only product is CO2(g)).
A 32.0-g sample of water at 290. K is mixed with 48.0 g water at 310. K. Calculate the final temperature of the mixture assuming no heat loss to the surroundings.
what is the grams of 9.31 x 10^24 molecules of methanol (CH3OH)? combining 0.357 mol of Fe2O3 with excess carbon produced 19.2g of Fe ; Fe2O3 + 3C ---> 2Fe + 3CO what is the actual yield of iron?
Ethane C2H6 burns in oxygen a.) what are the products of reaction b.)write the balanced equation for the reaction
Evaluate the energy of an electron excited from a hydrogen atom using Bohr's model. Determine the maximum wavelength of energy needed to observe a photoelectric effect for potassium.
A typical deposit of cholesterol, C27H46O, in an artery has a mass of 3.90 mg. How many molecules of cholesterol are present in this deposit?
Rubidium has two common isotopes, 85Rb and 87Rb. If the abundance of 85Rb is 72.2% and the abundance of 87Rb is 27.8%, what is the average atomic mass of rubidium.
How many moles of NaOH would be required to completley neutralize 37.22mL of 0.25M HCl.
How much heat (in ) is required to warm 12.0 g of ice, initially at -11.0 degrees C, to steam at 111.0 degrees C? The heat capacity of ice is 2.09 and that of steam is 2.01 J/gC.
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