Portage Biochemistry Module 2 Study Guide Questions And Correct Answers

Autoionization of water reaction {Ans: 2 waters yields hydronium ion and hydroxide ion}T or F: liquid is more dense than solids {Ans: true (ice floats in water)}Is water bent? {Ans: yes}What is the latin word for water? {Ans: aqua}What is the bond angle of water? {Ans: 104.5}What does water not dissolve? {Ans: oily molecules}Melting point example {Ans: salt is put on snow and ice to melt the ice by lowering the melting point}T or F: water does not have a good taste on its own {Ans: true}What is the total intake of water per day? {Ans: 2000 ml}Another term for water {Ans: aqueous or aqueous systems}Is water polar? {Ans: yes}What is the autoionization? {Ans: a compound's ability to react with itself to form ions}Where do processes of life primarily take place? {Ans: in aqueous solutions (water based environments)}What is the total outtake of water per day? {Ans: 2000 ml}Examples of polar molecules {Ans: water, glucose, and vinegar}What is an example of a hydrogen bonding substance? {Ans: carbohydrates, proteins, amino acids}Which way do dipole arrows point? {Ans: in the direction of higher density (more