In an endothermic reaction, energy is _________.

____ reactions usually feel cold.

Endo means in or _______.

Exo means out or ________.

What instrument would you use to detect an endothermic or exothermic reaction?

When a candle is lit hydrocarbons are combusting. An exothermic reaction is occuring. Energy is being _________________ .

Photosynthesis

The initial temperature was measured to be 20^oC and the final temperature was 45^oC. The reaction was

During an endothermic reaction, heat is ________ and chemical bonds _______.

Endo means in or _______.

Solid --> liquid --> gas is what type of reaction?

If a chemical reaction is EXOTHERMIC, the temperature would....

Is the combustion of gasoline endothermic or exothermic?

During an endothermic reaction in a beaker if we are part of the surroundings and touched the beaker, it would feel _______.

Accuracy : 38%

A student mixed two chemicals to allow them to react. The temperature before the reaction was 25 ° C. The temperature after the reaction was 18° C. Which of the following is true?

If the energy required to break the bonds is greater than the energy given out by making new bonds the reaction is....

If the energy required to break the bonds is less than the energy given out by making new bonds the reaction is

Which letter corresponds to the energy of the products?

Which letter corresponds to the energy of the reactants?

Which letter corresponds to the activation energy?

What type of reaction does this diagram show?

what does C represent in the diagram?

What type of reaction is shown in the diagram

What statement best describes why the energy changed

Which letter shows the activation energy