Question

Which of the following are signs that an endothermic reaction is taking place

Answer 1

positive delta H (enthalpy/heat change)

temperatures drop

Step-by-step explanation:

eg water changing state to ice is an endothermic reaction

Answer 2

Some signs that an endothermic reaction is taking place are if:

- the container holding the reaction feels cold to the touch

- the change in enthalpy is positive

- the total heat of formation is positive