#Question id: 346
#Unit 1. Molecules and their Interaction Relevant to Biology
The partial negative charge in a molecule of water occurs because ________.
#Question id: 348
#Unit 1. Molecules and their Interaction Relevant to Biology
Sulfur is in the same column of the periodic table as oxygen, but has electronegativity similar to carbon. Compared to water molecules, molecules of H2S will ________.
#Question id: 350
#Unit 1. Molecules and their Interaction Relevant to Biology
Cohesion, surface tension, and adhesion are the properties of water molecules that ________.
#Question id: 351
#Unit 1. Molecules and their Interaction Relevant to Biology
If the cytoplasm of a cell is at pH 7, and the mitochondrial matrix is at pH 8, then the concentration of H+ ions ________.
#Question id: 352
#Unit 1. Molecules and their Interaction Relevant to Biology
One mole (mol) of glucose (molecular mass = 180 daltons) is ________.
#Question id: 353
#Unit 1. Molecules and their Interaction Relevant to Biology
Measurements show that the pH of a particular lake is 4.0. What is the hydrogen ion concentration of the lake?