This

**preview**shows pages 1-3. to view the full**38 pages of the document.**Fundamental Standards:

F1 Student can balance and interpret the meaning of chemical

formulas and equations.

Homework Quiz

Quiz 3 Question 1:

1. When the following chemical equation is balanced, what is the sum of the

coefficients in the equation?

NaNO3 NaNO2 + O2

Explanation:

To begin we need to put a two in front of NaNO3 so we have 2 Na, 2 N, and 6 O on the

reactant side. Then we need to place a two in front of NaNO2 so that on the product side

we have 2 Na, 2 N, and 6 O. The final balanced equation is:

2NaNO3 2NaNO2 + 1O2

Therefore the sum of the coefficients is 5 because 2 + 2 + 1 = 5.

Project

In the One Ton Challenge project I had to figure out how many miles less I would have

to drive to save one ton of CO2.

Explanation:

I have figured out that I drive an average of 60 miles per week. That means I drive 3,120

miles per year.

60 m x 52 weeks = 3,120 miles/year

wk year

To figure out the rest I need to do a stoichiometry problem. One gallon of gas is equal to

0.00858 tons CO2.

Only pages 1-3 are available for preview. Some parts have been intentionally blurred.

1 ton CO 2 x 1 gallon C8H18 x 25 miles = 2,914 miles

0.00858 tons CO2 1 gallon C8H18

To save one ton of CO2, I would have to drive 2,914 miles less per year.

Exam Question

Exam 1 Question 1:

1. The Marsh test for arsenic is base upon the production of arsine gas (AsH3)

where hydrogen gas reacts with arsenic (III) oxide (AsO3) to produce arsine gas

and water. Write a symbolic representation for the reaction. When the equation is

correctly balanced, what is the sum of the coefficients?

a. 8 b. 10 c. 12 d. 14 e. 15

Explanation:

The equation: AsO3 + H2 AsH3 + H2O

The balanced equation: 1AsO3 + 6H2 2AsH3 + 3H2O

The sum of the coefficients is 12, so the answer is C.

Only pages 1-3 are available for preview. Some parts have been intentionally blurred.

F2 Student can utilize appropriate chemical terminology to

describe phenomena.

Homework Quiz

Quiz 1 Question 1:

1. What is the term for the region of very high density in the center of the atom?

A. atomic center

B. atomic nucleus

C. none of these

D. atomic kernel

E. atomic core

Explanation:

The answer is B. because the center of the atom is the nucleus, which consists of protons

and neutrons

Project

The following information is from the Napoleon’s Buttons project:

•Structural polysaccharides use β-glucose links

ocellulose is made up of polymers of β-glucose links

•Storage polysaccharides use α-glucose links

ostarch (plants) and glycogen (animals)

Explanation:

As you can see I can utilize chemical terminology to describe two different types of

polysaccharides.

Exam Question

Exam 1 Question 9:

9. When the outermost electron is removed from a particular atom, the name for the

process is called…

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