C. gas.

8. Which action involves a chemical change?

a. making ice cubes

b. adding sugar to tea

c. cutting wrapping paper

d. baking a cake

What it the mass of Jupiter?

Water at 1 atm pressure is compressed to 430 atm pressure isothermally. Determine the increase in the density of water. Take the isothermal compressibility of water to be 4.80 * 10-5 atm-1.

A vibrating tuning fork of frequency 512 Hz is held over a water column with one end closed and the other open. As the water level is allowed to fall, a loud sound (resonance) is heard at specific water levels.

According to newtons third law of motion, when one object exerts a force on a second object, what is true about the forces? a. they are equal in magnitude and oppisite in direction b. they are opposite in magnitude and equal in direction c.

If an object is dropped from a tall building and hits the ground 3.0 s. later, what is the magnitude of the object's displacement in 1.0 s.; in 2.0 s.?

A particular motor can provide a maximum torque of 110 n • m. assuming that all of this torque is used to accelerate a solid, uniform, cylindrical flywheel of mass 10.0 kg and radius 3.

Round your answers to one decimal place. This parallel circuit has two resistors at 15 and 40 ohms. What is the total resistance? Ω If there is a 12 V battery in the circuit, what would the approximate current be? A

Energy transfer by convection is usually restricted to what type of substance?

Choose all that represent ways that Venus is different than Earth. a. The atmosphere of Earth is thicker than Venus b. Only Earth's atmosphere traps heat c. The atmosphere of Venus is thicker than Earth's. d.

calculate the force exerted on a rocket given that the propelling gases are expelled at a rate of 1500 kg/s with a speed of 4.0x10^4 (at the moment of take off)