Question

section #2: the kinetic - molecular theory

1. which state of matter has the lowest amount of energy?
2. which state of matter has the highest forces of attraction between its particles?
3. a sample of gas is held at constant pressure. increasing the kelvin temperature of this gas causes the average kinetic energy of its particles to
4. as a piece of ice cools from 273 k to 263 k, the average kinetic energy of it particles will
5. what term is defined as a measure of the average kinetic energy of the particles of a substance?
6. particles of matter have spaces between them and are in constant motion. which state of matter has the most space between its particles and are moving at the greatest speed?

Explanation:

1. Solids have the lowest - energy state as their particles have limited motion.
2. Solids have the highest forces of attraction between particles, keeping them in a fixed position.
3. According to the kinetic - molecular theory, increasing the temperature of a gas at constant pressure increases the average kinetic energy of its particles.
4. As temperature decreases, the average kinetic energy of particles decreases. So, as ice cools from 273 K to 263 K, the average kinetic energy of its particles will decrease.
5. Temperature is defined as a measure of the average kinetic energy of the particles of a substance.
6. Gases have the most space between their particles and the particles are moving at the greatest speed.

Answer:

1. Solid
2. Solid
3. Increase
4. Decrease
5. Temperature
6. Gas