What is ΔH in the energy diagram below?Group of answer choices+ 40 kJ- 40 kJ- 20 kJ+ 20 kJ

What is ΔSsurr when 40kJ of heat is removed from the system at 200K?Group of answer choices200 J/K- 0.2 J/K- 200 J/K0.2 J/K

Given the following information: H2O(l)  →  H2O(g)     ΔH = +44 kJWhat is the ∆H for the reaction: 2H2O(l) → 2 H2O(g)Group of answer choices+88kJ-88kJ+44kJ-44kJ

ΔH for the following reaction is -431 kJ. Is the reaction endothermic or exothermic? Ba(s) + 2 H2O(l) –> Ba(OH)2(aq) + H2(g) Group of answer choicesexothermicendothermic

Energy change in a chemical reaction is represented by the symbol __________________.Question 4AnswerA.HB.ΔTC.ΔHD.ΔE

When energy is absorbed, ΔH is _____.