If the value of ΔH is positive for a reaction, it means that the reaction is?
exothermic
endothermic
spontaneous
slow
Correct answer is B
- Endothermic reactions are chemical reactions in which the reactants absorb heat energy from the surroundings to form products.
- A system of reactants that absorbs heat from the surroundings in an endothermic reaction has a positive ΔH.
- examples of endothermic processes: