Q: A student is asked to calculate the number of moles in 18 grams of water ($$H_2O). $$What is the correct calculation?

$$\text{Moles} = \frac{18\,g}{18\,g/mol}$$

Question 1

Which of the following best describes the primary focus of General Chemistry as outlined in the course rationale?

Accepted Answer

Understanding the basic concepts of chemistry, including matter, energy, and their transformations.

Question 2

A student is asked to calculate the number of moles in 18 grams of water ($$H_2O). $$What is the correct calculation?

Accepted Answer

$$	ext{Moles} = \frac{18\,g}{18\,g/mol}$$

Question 3

Which statement about attendance in CHEM 121 is correct according to the syllabus?

Accepted Answer

Attendance is required and mandatory for both lectures and recitation.

Question 4

A student missed a quiz due to illness and returned to class after 3 days with a valid university excuse. According to the syllabus, what is the correct procedure?

Accepted Answer

The student must make up the quiz within 5 days of returning to class.

Question 5

Which of the following is NOT a major topic covered in CHEM 121 according to the syllabus?

Accepted Answer

Organic Chemistry Mechanisms

Question 6

A student is preparing for an exam and wants to use a calculator. Which type of calculator is permitted during exams in CHEM 121?

Accepted Answer

A standard, non-programmable calculator.

Question 7

Which of the following best demonstrates the application of quantitative and qualitative models in chemistry?

Accepted Answer

Using critical thinking and deductive reasoning to solve problems based on known chemistry concepts.

Question 8

If a student is caught copying another student’s exam, what is the consequence according to the syllabus?

Accepted Answer

The student will receive a zero for the test, quiz, or homework, as well as the student they copied from.

Question 9

Which formula is used to convert Celsius temperature to Kelvin?

Accepted Answer

$$K = ^\circ C + 273.15$$

Question 10

A student is asked to identify the number of protons in an atom of $$^{23}_{11}Na. $$What is the correct answer?

Accepted Answer

11

Question 11

Which of the following is a measurable learning outcome for CHEM 121?

Accepted Answer

Students will demonstrate knowledge of theories and concepts of chemistry.

Question 12

A student is asked to write the chemical formula for calcium chloride. What is the correct formula?

Accepted Answer

$$CaCl_2$$

Question 13

Which of the following best describes the role of SI Sessions in CHEM 121?

Accepted Answer

They are optional help sessions offered in the evening to support student learning.

Question 14

A student is asked to balance the following chemical equation: $$H_2$$ + $$O_2$$ \rightarrow H_2O$$. What is the correct balanced equation?

Accepted Answer

$$2H_2 + O_2$ \rightarrow 2H_2O$$

Question 15

Which of the following is a correct statement about the grading scale in CHEM 121?

Accepted Answer

A grade of 60% is a passing grade (D).

Question 16

A student is asked to identify the type of chemical bond in $$NaCl. $$What is the correct answer?

Accepted Answer

Ionic bond

Question 17

Which of the following is a recommended strategy for time management in CHEM 121?

Accepted Answer

Learn to schedule your time and know your peak study times.

Question 18

A student is asked to calculate the molarity of a solution made by dissolving 10 grams of $$NaCl in $$enough water to make 500 mL of solution. (Molar mass of $$NaCl = 58.44\,g/mol)$$

Accepted Answer

$$M = \frac{10\,g}{58.44\,g/mol} \div 0.5\,L$$

Question 19

Which of the following is NOT permitted during exams in CHEM 121?

Accepted Answer

A cell phone

Question 20

A student is asked to identify the correct electron configuration for a neutral oxygen atom ($$O$$, atomic number 8). Which is correct?

Accepted Answer

$$1s^2$$ $$2s^2$$ $$2p^4$$

General Chemistry I (CHEM 121) Syllabus and Study Guide

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