Which of the reactions are exothermic? 2 Mg(s) + O₂(g) - 2 MgO(s) + heat - NH₂Cl(s) + heat NH3(g) + HCl(g) AgCl(s) + heat Ag+ (aq) + Cl(aq) 2 Fe₂O3(s) + 3 C(s) + heat 4 Fe(s) + 3 CO₂(g) C(graphite) + O₂(g) → CO₂(g) + heat - - ✓CH₂(g) + 2O₂(g) → CO₂(g) + 2 H₂O(1) + heat -> Incorrect
Which of the reactions are exothermic? 2 Mg(s) + O₂(g) - 2 MgO(s) + heat - NH₂Cl(s) + heat NH3(g) + HCl(g) AgCl(s) + heat Ag+ (aq) + Cl(aq) 2 Fe₂O3(s) + 3 C(s) + heat 4 Fe(s) + 3 CO₂(g) C(graphite) + O₂(g) → CO₂(g) + heat - - ✓CH₂(g) + 2O₂(g) → CO₂(g) + 2 H₂O(1) + heat -> Incorrect
Chemistry: Principles and Practice
3rd Edition
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Chapter5: Thermochemistry
Section: Chapter Questions
Problem 5.47QE
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