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gen chem
chem kinetic+equil
| Question | Answer |
|---|---|
| rxn rate for forward rxn | decrease in reactants/time = increase products/time |
| aA+bB--->cC+dD rxn rate = | -1/a[A}/t= -1/b[B]/t= 1/c[C]/t= 1/d[D]/t |
| rate law for forward rxn states | rate is proportional to conc of reactants |
| rate law formula | rate=k [A]* [B]* |
| whats the order of a rxn | x+y |
| solve rate law | keep 1 trial constant then divide and solve for exponent |
| minimum energy 4 reactants to form products | activation energy |
| has greater energy than either reactants /products | transition energy= breaking old bonds and new bonds forming |
| ________ the potential energy for products is less than the reactants | exothermic (negative heat rxn) |
| temperature changed Ea, true / false | false |
| temp effect on Ea | increases the chances of molecules having energies higher than Ea colliding |
| ________ lowers the activation energy | Catalyst/ enzyme |
| reversible rxn eqn raised to its stoich coefficients | =[C]^c*[D]^d/[A]^a*[B]^b products*/reactants* |
| le chatelier | stress applied the system tends to change so as to relieve the stress |
| increasing Pressure _____ volume and favors ______ moles | decrease; less |
| if keq equilib constant is > 1 | forms alot of products |
| if Keq < 1 | forms alot of reactants |
| Keq=1 | equal products and reactants |
Created by:
smuttz
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