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(a) What is meant by the term elementary reaction?
(b) What is the difference between a unimolecular and a bimolecular elementary reaction?
(c) What is a reaction mechanism?
discuss daltons theory. what are all of the postulates? with recent discoveries about the nature of an atom does it
How much heat is evolved when 9.07 x 105 g of ammonia is produced according to the following equation:
Calculate the pOH of a solution that results from mixing 27 mL of 0.11 M ethylamine (C2H5NH2) with 45 mL of 0.11 M C2H5NH3Cl.
Depict a molecular energy level diagram for the water molecule, and fill in the electrons and is the multiplicity of water a single t
Calculate the activation energy of a reaction if the rate constant is 0.75 s 1at25 Celsius and 11.5 s 1at 75 celsius. (the universal gas constant is 8.314J/mol K)
Explain why is alcohol added to the initial mixture in the preparation of soap as well as what happens to it at the end of the reaction
A certain elixir is 92 proof. A proof is twice the volume percentage of alcohol in a blend. Ethanol's structural formula is CH3CH2OH with a molar mass of 46 grams/mole. The density is .79 g/ml. How many liters of elixir must one have in order to h..
You want to prepare a pH=4.50 buffer using sodium acetate and glacial acetic acid. You have on hand 300 mL of 0.100 M sodium acetate. How many grams of glacial (water free) acetic acid should you add to prepare the buffer
solving this question helps the student to understand how to find the limiting reactant and how much product is
The pressure in a gas arises because the particles of a gas strike each other and the walls of their container, exerting a ________. The larger the number of gas particles in a particular volume, the _______ the pressure within the gas.
What is the pH at the half-stoichiometric point (that is, what is the pH when you have added 50% of the total volume of base required to react with all of the acid originally present?)
find the mass of C3H8 required to generate 2.5x10^8 KJ of energy when combusted with O2 gas to produce CO2 gas and water vapor.
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