A chemist measures the energy change ΔH during the following reaction:2NH3(g)→N2(g)+3H2(g) =ΔH160.kJUse the information to answer the following questions.

A chemist measures the energy change ΔH during the following reaction:2NH3(g)→N2(g)+3H2(g) =ΔH160.kJUse the information to answer the following questions.This reaction is... endothermic.exothermic.Suppose 96.4g of NH3 react.Will any heat be released or absorbed?Yes, absorbed.Yes, released.No.

A chemist measures the energy change ΔH during the following reaction:CH4(g)+2O2(g)→CO2(g)+2H2O(l) =ΔH−882.kJUse the information to answer the following question.Suppose 66.0g of CH4 react.Calculate how much heat will be released or absorbed.kJBe sure your answer has the correct number of significant digits.

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

A chemist measures the energy change ΔH during the following reaction:2H2O(l)→2H2(g)+O2(g) =ΔH572.kJUse the information to answer the following questions.This reaction is... endothermic.exothermic.Suppose 56.7g of H2O react.Will any heat be released or absorbed?Yes, absorbed.Yes, released.No.If you said heat will be released or absorbed in the second part of this question, calculate how much heat will be released or absorbed. kJBe sure your answer has the correct number of significant digits.

Given the following reactions and their respective ∆H values:1. 2H₂(g) + O₂(g) → 2H₂O(l); ∆H = -572.3 kJ2. N₂(g) + 3H₂(g) → 2NH₃ (g); ∆H = -91.8 kJWhat is the ∆H for the reaction: N₂(g) + 3H₂(g) → 2NH₃ (g) + 2O₂(g)?Select one:a.-755.9 kJb.755.9 kJc.-664.1 kJd.664.1 kJ