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CHEM 121 Module 6 Exam Questions and Answers- Portage 2024/2025

HEAL100 Health Care — exam and revision material · Other

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Health Care exam material, 10 pages. Originally published on StudyMerit.

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10
Academic year
2025/2026
Language
English

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M6: Exam - Requires Respondus LockDown Browser + Webcam • Due No due date • Points 100 • Questions 10 • Time Limit 120 Minutes • Requires Respondus LockDown Browser Attempt History Attempt Time Score LATEST Attempt 1 104 minutes 95 out of 100 Score for this quiz: 95 out of 100 Submitted Feb 11 at 2:31am This attempt took 104 minutes. Question 1 10 / 10 pts You may find the following resources helpful: Scientific Calculator (Links to an external site.) Periodic Table Equation Table

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Identify each of the three compounds below as ACID, BASE or SALT on the basis of their formula and exp lain your answer. (1) MgCl 2 (2) HClO 4 (3) Cu(OH) 2 Your Answer: 1 - salt because metal and nonmetal 2 - acid because of H, and poly atomic group 3 - base because of OH and metal 1. MgCl 2 Salt Contains Metal (Mg) + Nonmetal (Cl) 2. HClO 4 Acid Contains H + Polyatomic group (ClO 4 ) 3. Cu(OH) 2 Base Contains Metal (Cu) + OH Polyatomic group Question 2 10 / 10 pts You may find the following resources helpful: Scientific Calculator (Links to an external site.) Periodic Table Equation Table For the Brønsted - Lowry acid base reactions shown below, list the stronger acid, stronger base, weaker acid and weaker base in the answer blanks provided:

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1. Stronger acid: 2. Stronger base: 3. Weaker acid: 4. Weaker base: Your Answer: 1 stronger acid - H 2 CO 3 2 stronger base - CN - 3 weaker ac id - HCN 4 weaker base - HCO 3 - 1. H 2 CO 3 2. CN - 3. HCN 4. HCO 3 - Question 3 8 / 10 pts You may find the following resources helpful: Scientific Calculator Periodic Table Equation Table For the compounds shown below, choose the strongest acid, explain why it is the strongest acid and write the formula of its conjugate base in the answer blank: 1. CH 4 or NH 3 or H 2 O Strongest acid is: 2. Explanation: 3. Formula of conjugate base of the strongest acid:

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