subject
Chemistry, 02.12.2019 21:31 eme05

Select all that apply. which two of the following equations represent an exothermic reaction? nh3(g) + 12.0 kcal → ½n2(g) + 3/2h2(g) c(graphite) → c(diamond), δh = -0.45 kcal/mole c c + 2s → cs2, δh = 27,550 cal ch4 + 2o2 → co2 + 2h2o + 212,800 cal 2h2 o → 2h2 + o2, δh = +58 kcal/mole h2o

ansver
Answers: 1

Other questions on the subject: Chemistry

image
Chemistry, 22.06.2019 02:30, Countryqueen525
Asa choose the correct set of reaction coefficients to properly balance the following chemical equation according to the law of conservation of mass: __s8 + __o2 ==> __so2 1, 1, 8 1, 8, 1 1, 8, 8 8, 1, 1
Answers: 1
image
Chemistry, 22.06.2019 11:00, pc103919
When hydrochloric acid reacts with potassium hydroxide solution, the following reaction occurs. hcl (aq) + koh (aq) h2o (l) + kcl (aq) the reaction gives off heat energy, so it is an reaction.
Answers: 1
image
Chemistry, 22.06.2019 22:00, jlegrand9098
4.25g sample of solid ammonium nitrate dissolves in 60.0g of water in a coffee-cup calorimeter, the temperature drops from 22.0 c to 16.9 c. assume that the specific heat of the solution is the same as that of pure water. calculate delta(h) (in kj/mol nh4no3) for the solution proces.
Answers: 2
image
Chemistry, 23.06.2019 02:30, hailee232
When the ionic compound nabr dissolves in water, br– ions are pulled into solution by the attraction between what two particles? a. the na+ and br– ions b. the na+ ion and the negative end of a water molecule c. the br– ion and the positive end of a water molecule d. the br– ion and the negative end of a water molecule
Answers: 1
You know the right answer?
Select all that apply. which two of the following equations represent an exothermic reaction? nh3(g...

Questions in other subjects:

Konu
Mathematics, 21.10.2020 01:01
Konu
Mathematics, 21.10.2020 01:01
Konu
Mathematics, 21.10.2020 01:01
Konu
Computers and Technology, 21.10.2020 01:01