1
The amount of energy that must be absorbed or lost to raise or lower the temperature of 1 g of liquid water by 1°C _____.
- is 1 kilocalorie
- is 1,000 kilocalories
- is 1,000 calories
- is 1 calorie
is 1 calorie
2
Because organisms are made primarily of water, they resist rapid temperature changes. This useful quality is based on water's high specific heat.
- True
- False
True
3
Sodas typically contain sugar, flavorings, coloring agents, and carbon dioxide dissolved in water. The best term to describe this mixture would be an aqueous solvent.
- True
- False
False
4
An acid is a substance that _____.
- increases the hydrogen ion concentration of an aqueous solution
- is a versatile solvent
- reduces the hydrogen ion concentration of a solution
- forms covalent bonds with other substances
increases the hydrogen ion concentration of an aqueous solution
5
The pH of 6 is ________.
- slightly basic
- slightly acidic
- neutral
- extremely basic
slightly acidic