Chemistry, 11.03.2020 18:08 vanvalenpeyt
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: 3
Chemistry, 21.06.2019 20:30, notkeandre9
9. write the chemical equation for the following word equations. include symbols for physical states in the equation. a. solid zinc sulfide + oxygen gas -> solid zinc oxide + sulfur dioxide gas b. aqueous hydrochloric acid + aqueous barium hydroxide -> aqueous barium chloride + water
Answers: 1
Chemistry, 22.06.2019 21:20, jordan2875
If a simple machine aduces the strength of a force, what must be increased? the speed of the input force the work the simple machine performs the size of the simple machine the distance over which the force is applied
Answers: 1
Select all of the following equations that represent an exothermic reaction.
NH3(g) + 12...
NH3(g) + 12...
Mathematics, 11.10.2019 17:10
Mathematics, 11.10.2019 17:10
History, 11.10.2019 17:10
History, 11.10.2019 17:10