Reactions Review

Reaction Type ID

100

Na + Cl₂ → NaCl

Synthesis

200

2H₂O → 2H₂ + O₂

Decomposition

300

Cu + AgNO₃ → Cu(NO₃)₂ + Ag

Single Replacement

400

Na₂SO₄ + BaCl₂ → BaSO₄ + 2NaCl

Double Replacement

500

CH₄ + 2O₂ → CO₂ + 2H₂O

Combustion

Predict the Products

100

Mg + Cl₂ → ?

MgCl₂

200

Al₂O₃→ ?

Al+O₂

300

Fe + CuSO₄ → ?

FeSO₄ + Cu

400

HCl + NaOH → ?

NaCl + H₂O

500

C₃H₈ + O₂ → ?

CO₂ + H₂O

Balancing Act

100

__ H₂ + __ O₂ → __ H₂O

2, 1, 2

200

__ Na + __ Cl₂ → __ NaCl

2, 1, 2

300

__ Fe + __ O₂ → __ Fe₂O₃

4, 3, 2

400

__ Al + __ Fe₂O₃ → __ Al₂O₃ + __ Fe

2, 1, 1, 2

500

__ C₂H₆ + __ O₂ → __ CO₂ + __ H₂O

2, 7, 4, 6

Reactions and Reaction Rates

100

Increasing temperature usually makes reactions go ______.

faster

200

Increasing surface area increases the chances of ______ between particles, allowing reactions to proceed at a faster rate.

collisions or interactions

300

Increasing concentration increases the ______ of collisions between particles, thus increasing the reaction rate.

frequency

400

A catalyst lowers the ______ energy of a reaction, thus increasing reaction rate.

Activation

500

For reactions to occur, molecules must interact or collide in the correct ________ and with enough _______.

orientation; speed/kinetic energy

Equilibrium

100

Increasing concentration of reactants shifts equilibrium toward ______.

products

200

Increasing temperature in an exothermic reaction (where the formation of products releases heat) shifts equilibrium toward ______.

reactants

300

Increasing pressure favors the side with ______ moles of gas.

fewer

400

Decreasing temperature in an endothermic reaction (where the reaction between reactants requires a heat input) shifts equilibrium towards the _________.

reactants

500

In relation to equilibrium, introduction of a catalyst relieves what type of stress?

None (catalysts do not shift equilibrium