Q: If a student scores the following: 80% on Midterms, 90% on the Final Exam, 100% on Concept Checks, 70% on ALEKS Homework, and 100% on Participation, what is their weighted average for the course? Use the weights from the pie chart.

$$0.36 \times 80 + 0.20 \times 90 + 0.20 \times 100 + 0.15 \times 70 + 0.09 \times 100 = 28.8 + 18 + 20 + 10.5 + 9 = 86.3\%$$

Question 1

Based on the course grading pie chart, which component contributes the most to your final grade in Chemistry 102?

Accepted Answer

3 Midterm Exams

Question 2

If a student scores the following: 80% on Midterms, 90% on the Final Exam, 100% on Concept Checks, 70% on ALEKS Homework, and 100% on Participation, what is their weighted average for the course? Use the weights from the pie chart.

Accepted Answer

$$0.36 	imes 80 + 0.20 	imes 90 + 0.20 	imes 100 + 0.15 	imes 70 + 0.09 	imes 100 = 28.8 + 18 + 20 + 10.5 + 9 = 86.3\%$$

Question 3

Which of the following best describes the purpose of the 'Concept Checks' in this course?

Accepted Answer

They are periodic quizzes to check conceptual understanding before exams, with opportunities for retakes.

Question 4

A student misses a problem set in class. According to the participation policy, how can they make up for the lost participation points?

Accepted Answer

By attending two SI or instructor office hours, or completing two Ascend surveys.

Question 5

Which chapter in the course covers the topic of 'Entropy and Gibbs Energy'?

Accepted Answer

Chapter 15

Question 6

If a student scores higher on the final exam than on one of their midterm exams, what happens according to the grade replacement policy?

Accepted Answer

The final exam score replaces the lowest midterm exam score.

Question 7

Which of the following is NOT considered cheating according to the course policy?

Accepted Answer

Using a scientific calculator during exams.

Question 8

Which resource is specifically designed to help students who have been successful in CHM 101 support current students in CHM 102?

Accepted Answer

Supplemental Instructors (SIs)

Question 9

Which chapter would you study to learn about 'Chemical Kinetics'?

Accepted Answer

Chapter 14

Question 10

A student wants to know how changing the temperature affects the rate of a chemical reaction. Which concept and equation should they study?

Accepted Answer

Collision theory and the Arrhenius equation: $$k = A e$$^{-E_a/(RT)}$$

Question 11

Which of the following best describes the main focus of Chapter 18 in this course?

Accepted Answer

Acid-Base Equilibria and Solubility Equilibria

Question 12

Which equation would you use to calculate the standard enthalpy change for a reaction using standard enthalpies of formation?

Accepted Answer

$$\Delta H^\circ_{rxn} = \sum n_p \Delta H^\circ_f (products) - \sum n_r \Delta H^\circ_f (reactants)$$

Question 13

Which of the following is a colligative property of solutions?

Accepted Answer

Boiling point elevation

Question 14

A buffer solution is prepared by mixing acetic acid and sodium acetate. Which equation would you use to calculate the pH of this buffer?

Accepted Answer

Henderson-Hasselbalch equation: $$pH = pK_a + \log \left( \frac{[A^-]}{[HA]} \right)$$

Question 15

Which of the following statements about the Oglethorpe Honor Code is TRUE?

Accepted Answer

Students are required to affirm their commitment to academic integrity at least once in every course.

General Chemistry II (Chemistry 102) Syllabus and Course Structure

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