Label the specific area of the drawing with: 1. reactants 2. products 3. Ea (activation energy)4. activated complex 5. 𝝙H (including the correct sign - positive or negative)
Which of the following is a not a sign of a chemical change?
Light is emitted
Color stays the same
Change in temperature
Gas is produced
What is endothermic reaction in simple terms?
it emits light during reaction
it involves a physical change
it absorbs heat from the surroundings
it heats up spontaneously
What is the main difference between endothermic and exothermic reactions?