Ocean + Le Chatelier
Acids and Bases
Stoichiometry
Chemical Reactions
IMF and Formulas
100

What gas from the air can make ocean water more acidic?

CO2

100

In HCl + H2O -> H3O+ + Cl-, what is HCl?

Bronsted-Lowry acid.

100

How many grams are in 1 mole of H2O?

18 g H2O

100

What is the molar mass of NaCl?

58.5 g/mol

100

What does IMF stand for?

Intermolecular forces.

200

If ocean water becomes more acidic, what happens to the pH?

The pH goes down.

200

Name one thing about acids.

Acids have a pH below 7.

200

How many moles are in 44 g of CO2?

1 mol CO2

200

For Zn + CuCl2 -> ?, what are the products?

ZnCl2 + Cu

200

Hydrogen bonding happens when H is bonded to what atoms?

N, O, or F.

300

For N2 + 3H2 -> 2NH3, if more N2 is added, which way will it shift?

To the right, toward NH3.

300

Name one thing about bases.

Bases have a pH above 7.

300

In 2H2 + O2 -> 2H2O, how many moles of H2O are made from 4 mol H2?

4 mol H2O

300

What type of reaction is A + B -> AB?

Synthesis.

300

What is the name of CO2?

Carbon dioxide.

400

For N2 + 3H2 -> 2NH3, if pressure goes up, which side is favored?

The right side, because it has fewer gas moles.

400

What does chemical equilibrium mean?

The forward and reverse reactions happen at the same rate.

400

What is the molarity if 2 mol NaCl are in 4 L of solution?

0.5 M

400

What type of reaction is AB -> A + B?

Decomposition

400

What is the formula for magnesium chloride?

MgCl2

500

In an endothermic reaction, if temperature increases, which side is favored?

The products side.

500

If OH- = 1 x 10-3 M, what is H+ and is it acid, neutral, or basic?

H+ = 1 x 10-11 M, basic.

500

In 2H2 + O2 -> 2H2O, if you have 2 mol H2 and 2 mol O2, what is the limiting reactant?

H2

500

Balance this equation: H2 + O2 -> H2O

2H2 + O2 -> 2H2O

500

What is the formula for aluminum oxide?

Al2O3

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