Fall Final Review 2024

Front

What is the Octet Rule?

Back

All atoms want 8 valence electrons in their outer most energy level to become stable.

Front

Electrolytes are

Back

ions that help with nerve signaling

Front

An ion is an atom that has

Back

lost or gained electrons

Front

What is the charge Ba tends to form to become stable?

Back

2+ charge

Front

Chemical reactions are the rearrangement of atoms into new bonds, where mass is neither created nor destroyed.

Back

True

Front

Activation energy is

Back

energy needed to start a reaction

Front

Based on the chemical reaction below, how many molecules of Oxygen (O2) react with 1 molecule of Methane (CH4)?

Back

2

Front

Based on the chemical reaction below, how many molecules of Oxygen (O2) react with 3 molecules of Methane (CH4)?

Back

6

Front

If the below reaction produces 180 grams of total products (CO2 and H2O), how many grams of O2 is reacting with 28 grams of methane (CH4)?

Back

152 grams

Front

Based on the reaction below, what is the ratio of NH3 to H2?

Back

There are 2 NH3 for every 3 H2