Chem 210 Module 2 Exam (2023-2024) Questions And Answers

CHEM 210 MODULE 2 EXAM (2023-2024) QUESTIONS AND ANSWERS CHEM 210 MODULE 2 EXAM (2023-2024) QUESTIONS AND ANSWERS !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Scientific Calculator The pH of a solution of 8.9 x 10-12 M NaOH is: A. 8.9 B. 8.9 x 10-12 C. 4.8 D. 11 E. 2.9 A B C D E [Kw=[H+][OH-] = 1.0 x 10-14; [H+][8.9 x 10-12] = 1.0 x 10-14 ;[H+]=890; Question 1 3 / 3 ptsCHEM 210 MODULE 2 EXAM (2023-2024) QUESTIONS AND ANSWERS Question 2 3 / 3 pts pH=-log[890]=2.9] Water is a unique molecule. Which of the following contributes to waters unique placeCHEM 210 MODULE 2 EXAM (2023-2024) QUESTIONS AND ANSWERS Question 4 3 / 3 pts in the chemical world? The geometry of the molecule The polarity of the O-H bonds The ability of water molecules to hydrogen bond The bond angle of water All of the answers are correct ALL OF THE ANSWERS ARE CORRECT What factor contributes to the bent shape of a water molecule? The dipole arrows in a water molecule The unshared electron pairs on the oxygen atom The electronegativity difference between hydrogen and oxygen The unequal electron sharing between hydrogen and oxygen None of the answers are correct THE