When 6 moles of CO2(g) react with H2O(I) to form C6H12O6 and O2(g) according to

Question

When 6 moles of CO2(g) react with H2O(I) to form C6H12O6 and O2(g) according to the following equation. 2.80E3 kJ of energy are absorbed. Is this reaction endothermic or exothermic? What is the value of q? When 4 moles of HCI(g) react with O2(g) to form H2O(g) and Cl2(g) according to the following equation. 114 kJ of energy are evolved. 4HCI(g) + O2(g) rightarrow 2H2O(g) + 2CI2(g) Is this reaction endothermic or exothermic? What is the value of q? When 1 mole of C2H4(g) reacts with H2O(g) to form CH3CH2OH(g) according to the following equation, 45.6 kJ energy are evolved. C2H4(g) + H2O(g) Is this reaction endothermic or exothermic? What is the value of q? kJ

Explanation / Answer

1. Endothermic
q= +2.8*10^3 kj

2. Exothermic
q= -114 kj

3. Exothermic
q= -45.6 kj

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