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Which of the following are ways that catalysts can speed up reactions rates? You must check all answers that apply.
Decrease the energy of activation.Speedup the reaction without changing k.Increase the activation energy.Increase the collision frequency.Change the path of the reaction.
describe the underlying concepts of how laboratory activity works. descreption should be at least half page
Like sulfuric Acid, a certain diprotic acid, H2A, is a strong acid in its first deprotonation and a weak acid in its second deprotonation. A solution that is 0.020 M H2A (aq) has a pH of 1.66. What is the value of Ka2 for this acid
What is the enthalpy change corresponding to the melting of 2.5 moles of H2O? What is the system? What is the surrounding?
what is the ph of the solution if .02 mol hcl is added to .5L of a .34m nh3 and .56m nh4cl buffer solution
For a solution of hexane (C6H14) and chloroform (CHCI3), would you expect it with respect to Raoult's law to be relatively ideal, to show a positive deviation, or to show a negative deviation
A sample of an unknown metal has a mass of 35.4 and a volume of 3.11 . Whats the Density?
what mass of precipitate will form if 1.50 L of concentrated Pb(CLO3) is mixed with 0.550 L of 0.230 M NaI ? assume the reaction goes to completion.
By definition, which of the following can be broken down into simpler substances?
Crude gunpowders often contain a mixture of potassium nitrate and charcoal (carbon). When such a mixture is heated until reaction occurs, a solid residue of potassium carbonate is produced.
the reaction between all trans lycopene and iodine. Write a feasible mechanism.
What is the heat of the reaction which forms 1.00 mole of gaseous monatomic bromine from 0.500 mole gaseous diatomic bromine
Propose a mechanism to account for the formation of a cyclic acetal from 4-hydroxypentanal and one equivalent of methanol
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