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Distinguish between the primary quantum yield and overall quantum yield of a chemical reaction. Describe an expermintal procedure for determination of quantum yield.
Calculate the amount of mass in nano gram that is changed into energy when one mole of liquid water forms by combustion of hydrogen
Consider the case is which the volume and temperature of ONE mole of an ideal gas depends explicitly on the time, t. obtain an equation (a differential equation essentially)
What is the equilibrium vapor pressure of water for a solution containing 56.0 g H2O and 44.0 g of ethylene
A weather balloon at launch is partially inflated with 3.00 times 10 power 4l of helium at STP. what will be the volume of helium at an altitude of 7km, where the pressure is 0.41atm and the temperature is -20 degrees Celsius?
Suppose that the molar concentrations for CO and H2 at equilibrium are [CO] = 0.05 and H2= 0.08 . Use the formula CH3OH= Kc[CO][H2]^2 to calculate the concentration of CH3OH.
Considering all the bonds in a molecule with trigonal bipyramidal geometry, what are the bond angles present
what is steam distillation and why is it a preferred technique to purify high boiling liquids that are water insoluble?
consider the titration of 25.00ml of 0.650 M propanoic acid, HC3H5O2 ( Ka = 1.3 X 10^-5), with 0.750 M sodium hydroxide, NaOH, and answer the following questions?
a solution of ammonia and water contains 1.60times1025 water molecules and 7.00times1024 ammonia molecules. how many
question explain how the mass of a single atom in an element jn amu the mass of one mole of atoms of that element and
calculate the pKa value of the acid and determine the number of moles of acid initially present.b) when the reaction is complete, what is the concentration ratio of conjugate base to acid?
Hydrogen gas was cooled from 150C to 50 C. It's new volume is75 mL. What was it's original volume?
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