RAC 40 Quiz 2 Review | Latest Version |
2024/2025 | Rated A+
What is specific gravity?
Specific gravity is the ratio of the density of a substance to the density of a reference
substance (usually water for liquids).
What does Boyle's Law state about pressure and volume in a gas?
Boyle...
RAC 40 Quiz 2 Review | Latest Version |
2024/2025 | Rated A+
What is specific gravity?
✔✔ Specific gravity is the ratio of the density of a substance to the density of a reference
substance (usually water for liquids).
What does Boyle's Law state about pressure and volume in a gas?
✔✔ Boyle's Law states that the pressure of a gas is inversely proportional to its volume when
temperature is constant.
What does Charles's Law state about temperature and volume in a gas?
✔✔ Charles's Law states that the volume of a gas is directly proportional to its temperature when
pressure is constant.
How do you calculate the specific gravity of a substance?
✔✔ Specific gravity is calculated by dividing the density of the substance by the density of
water.
1
, What is the unit of energy in the International System (SI)?
✔✔ The unit of energy is the joule (J).
What is the relationship between pressure and volume according to Boyle's Law?
✔✔ Pressure and volume are inversely proportional, meaning as pressure increases, volume
decreases, and vice versa.
What is the significance of absolute zero in Charles's Law?
✔✔ Absolute zero is the theoretical temperature at which a gas would have zero volume
according to Charles's Law.
What is the difference between potential and kinetic energy?
✔✔ Potential energy is stored energy based on an object's position, while kinetic energy is the
energy an object has due to its motion.
How does the specific gravity of a substance compare to water?
✔✔ If the specific gravity of a substance is greater than 1, it is denser than water and will sink; if
less than 1, it will float.
2
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