student increases the temperature of a 300 cm³ balloon from 300 K to 600 K. What will the new volume of the balloon be? A. 200 cm³ B. 300 cm³ C. 400 cm³ D. 600 cm³

What is occurring in section C? A B C temperature (°C) D time (minutes) t OA. Particles of a liquid are separating into a gas. B. Temperature of a liquid is rising. OC. Particles of a gas are condensing into a solid. OD. Particles of a solid are separating into a liquid. E

1. Which of the following is stated by the kinetic molecular theory? A. At the same temperature, the object with the most mass heats quicker. B. Particles are always in motion. C. Particles ONLY move in liquids and gases. D. Particles will NOT move if energy is NOT applied. 2. If you place a balloon in a freezer, what happens to the size of the balloon? A. Decreases B. Doubles C. Increases D. No change 3. What is the FUNDAMENTAL basis of the physical properties of substances? A. Chemical bond C. Kinetic molecular theory D. Physical state B. Intermolecular forces

Room temperature is typically around 72.0 °F. Convert this temperature to degrees Celcius. A. 40.0 °C B. 104 °C O C. 22.2 °C D.8.0 °C O E. 22 °C

Determine the mass of CaSO4 in the sample based on the following data to two decimal places mass of beaker and cover 50.08 mass of beaker, cover, and sample before heating 51.06 mass of beaker, cover, and sample after heating 50.84

A middle school student asks you why hot air rises. Explain in one to three sentences the reason that hot air rises. The students understands what density is, so you should include that in your explanation.