Portage Learning Chem 210 Module 2 Exam

Portage Learning Chem 210 Module 2 Exam Question 1 3 / 3 pts The pH of a solution of 0.0010 M NaOH is: 1 Correct! 11 [Kw=[H+][OH-] = 1.0 x 10-14; [H+][0.0010] = 1.0 x 10-14 [H+]=1.0 x 10-11; pH=-log[1.0 x 10-11;]=11] 8 0 14 Question 2 3 / 3 pts Water is a unique molecule. Which of the following contributes to water’s unique place 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 Correct! All of the answers are correct Question 3 0 / 3 pts The bent shape of water is due to . The dipole arrows in a water molecule The electronegativity difference between hydrogen and oxygen You Answered The unequal electron sharing between hydrogen and oxygen Correct Answer The unshared electron pairs on the oxygen atom None of the answers are correct