Naming & Matter
Mass Percent, Molarity, & Molar Ratios
Dimensional Analysis
Chemical Reactions
History, Energy, EMR, Electron Configuation
100

Acids and bases are always aqueous. Aside from this, what common component can one find within all acidic solutions? What common component can be found within all basic solutions?

Acids always have an H+ ion at the front of the chemical formula, while bases always have an OH- at the end of the chemical formula.

100

What is the mass percent of hydrogen on nitrogen trioxide?

17.8% H

100

What is the mass of 5.90x1023 molecules of NH3?

16.7 g NH3

100

Name the 5 types of chemical reactions.

1. combination reaction

2. decomposition reaction

3. single displacement reaction

4. double displacement reaction

5. combustion

100

How many valence electrons does an atom of tin have?

4

200

Following Dr.Graff’s solubility rules, which of the following should be insoluble in water? Why?

a. Sodium Chloride

b. Sodium Carbonate

c. Calcium Sulfate

d. Calcium Nitrate

e. Magnesium Hydroxide

Calcium sulfate is no soluble in water because of the “happily-ever-after” rule.

200

How many moles of oxygen are in 1 mole of lead (II) phosphate; write as a conversion factor.

8 mol O = 1 mol Pb3(PO4)2

200

If 4.2 moles of propane (C3H8) react, how many moles of O2 are needed? 

C3H8 + 5O2 → 3CO2 + 4H2O

21.0 moles of O2 are needed.

200
What are the types of double displacement reactions and what do they produce?

1. precipitation - formation of a solid salt

2. neutralization - formation of water 

200

What subatomic particles contribute to the total mass of an atom?

protons and neutrons

300

What is the formula for chlorous acid?

HClO2

300

A 45 g sample of ore contains 3.4 g of silver. What is the mass% of silver in the ore?

The ore is 7.6% silver.

300

Within a solution, 58% of the mass is salt. If you possess 25 grams of this solution, what is the mass of the salt?

The mass of the salt is 14.5 g

300

Which are the spectator ions (formula and charge) in the following reaction: lithium carbonate + aluminum nitrite

Li+ and NO3-

300
When comparing wavelengths, frequencies, and energy of electromagnetic radiation, a large wavelength corresponds to a __________ energy, while a large frequency corresponds to a ____________ energy.

large wavelength = low energy

large frequency = high energy

400

What is the name for the following chemical formula:

Li2CO3 * 3H2O

lithium carbonate trihydrate 

400

What is the concentration of a 1350 milliliter solution that contains 5.65 moles of NaOH?

The concentration of the solution is 4.19 M NaOH.

400
Calculate the concentration of hydrogen ions in a 7.58 M phosphoric acid solution.

22.7 M H+

400

What are the products (including states of matter) of the following reaction. 

sodium (s) + copper (II) acetate (aq) —>

Copper (s) + sodium acetate (aq)

400

What is the abbreviated electron configuration of silver?

[Kr] 5s2 4d9

500

What is the formula for magnesium permanganate?

Mg(MnO4)2

500

How many milliliters of a 0.5M hydrochloric acid solution are needed to neutralize 25.0mL of a 4.83 M sodium hydroxide solution?

241.5 mL

500

How many grams of HCl are present in 32.2 mL of a 3.1 M solution?

There are 3.64 grams of HCl.

500

When balancing the following, what is the sum of all coefficients? ____C2H6 + ____O2 → ____CO2 + ____H2O

19

2C2H6 + 7O2 → 4CO2 + 6H2O

500

List the following in order of lowest to highest energy: microwaves, x-rays, blue light, yellow light, ultraviolet light

microwaves, yellow light, blue light, ultraviolet light, x-rays

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