8.2 Flashcards
How does the conservation of mass affect the way chemical equations are ‘balanced’?
It means there are the same amount of each type of atom on either side of the equation.
What is released when bonds form/absorbed when bonds break?
Energy
What forms does energy release in?
Heat, light, sound & electricity
What is an exothermic reaction?
A reaction that releases energy
What is an endothermic reaction?
A reaction that absorbs energy.
Does endothermic absorb or release heat?
Absorbs
Does exothermic absorb or release heat?
Releases
Does endothermic have heat on the left or right of the equation?
Left
Does exothermic have heat on the left or right of the equation?
Right
Does endothermic feel hot or cold?
Cold
Does exothermic feel hot or cold?
Hot
Does endothermic have more energy in it’s products or reactants?
More energy in its Products
Does exothermic have more energy in its products or reactants?
More energy in its Reactants