Chemistry, 04.08.2019 19:40 evarocks352
Select all of the following equations that represent an exothermic reaction. nh3(g) + 12.0 kcal → ½n2(g) + 3/2 h2(g) c(graphite) → c(diamond), δh = - 0.45 kcal c + 2s → cs2, δh = 27,550 cal ch4 + 2o2 → co2 + 2h2o + 212,800 cal 2h2o → 2h2 + o2, δh = +58 kcal
Answers: 1
Chemistry, 22.06.2019 13:50, amandamac7339
Abeaker with 2.00×102 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
Chemistry, 22.06.2019 14:30, clemsongirl5392
Select all that apply. using a value of ksp = 1.8 x 10-2 for the reaction pbcl2 (s) pb+2(aq) + 2cl -(aq). the concentration of the products yield a ksp of 2.1 x 10-2:
Answers: 2
Select all of the following equations that represent an exothermic reaction. nh3(g) + 12.0 kcal → ½n...
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