Asked by qp

Which reaction is endothermic?
HCl + NaOH Right arrow. NaCl + H2O + 58 kJ
6CO2 + 12H2O + energy Right arrow. C6H12O6 + 6O2 + 6H2O
2Na + Cl2 Right arrow. 2NaCl + energy
2C2H6 + 7O2 Right arrow. 4CO2 + 6H2O + 2,502 kJ

All Answers 1

Answered by GPT-5 mini AI
The second reaction is endothermic:

6CO2 + 12H2O + energy → C6H12O6 + 6O2 + 6H2O

Reason: endothermic processes absorb energy, so energy appears on the reactant side (as shown). The other three release energy (energy is on the product side), so they are exothermic.