Plzz me asap is it possible for a reaction to be exothermic but not spontaneous? yes, the reaction may require an activation energy. no, all spontaneous reactions are exothermic. y es, all spontaneous reactions are endothermic. no, exothermic reactions never use activation energy.
Answers: 2
Chemistry, 22.06.2019 00:40, petriajack8375
1) in saturated limewater, [h+ ]=3.98x10-13 m. a) find [oh]-/ b) what is the ph? / c) is the solution acidic, basic, or neutral? / 2) in butter, [h+ ]=6.0x10-7 m. a) find [oh]-/ b) what is the ph? / c) is the solution acidic, basic, or neutral? / 3) in peaches, [oh]=3.16x10-11 m a) find [h+ ]/ b) what is the ph? / c) is the solution acidic, basic, or neutral? / 4) during the course of the day, human saliva varies between being acidic and basic. if [oh]=3.16x10-8 m, a) find [h+ ]/ b) what is the ph? / c) is the solution acidic, basic, or neutral? /
Answers: 3
Chemistry, 22.06.2019 13:50, amandamac7339
Abeaker with 2.00Ă—102 ml of an acetic acid buffer with a ph of 5.000 is sitting on a benchtop. the total molarity of acid and conjugate base in this buffer is 0.100 m. a student adds 4.70 ml of a 0.360 m hcl solution to the beaker. how much will the ph change? the pka of acetic acid is 4.740.
Answers: 1
Plzz me asap is it possible for a reaction to be exothermic but not spontaneous? yes, the reactio...
English, 15.07.2019 12:30
Mathematics, 15.07.2019 12:30
Mathematics, 15.07.2019 12:30
Mathematics, 15.07.2019 12:30
Mathematics, 15.07.2019 12:30