Question

question 34 of 38
what type of chemical reaction requires the absorption of energy or heat from an external source for the reaction to actually occur?
select the correct response:
acid - alkali neutralization
endothermic
redox
exothermic

Explanation:

Endothermic reactions absorb energy or heat from an external source to occur. Acid - alkali neutralization and exothermic reactions release energy, and redox reactions involve electron transfer and are not defined by energy absorption.

Answer:

B. endothermic