A balloon has a volume of 3.00 liters at 24.0°c. the balloon is heated to 48.0°c. calculate the new volume of the balloon.

In an atom, an electron that is close to the nucleus is on the highest energy level.

Two carts with masses of 4.2 kg and 3.2 kg move toward each other on a frictionless track with speeds of 5.4 m/s and 4.5 m/s, respectively. The carts stick together after colliding head-on. Find their final speed. Answer in units of m/s.

The Texas fight for independence was led by Sam Houston. true false?

True or false scientific inquiry incorporates many scientific methods

The main organ of the respiratory system

Diane swim 5 kilometers against the current in the same amout of time it took her to swim 15 kilometers with the current. The rate of the current was 2 kilometers per hour. How fast would diane swim if there were no current?

A man paddles a canoe in a long, straight section of a river. The canoe moves downstream with constant speed 5 m/s relative to the water. The river has a steady current of 1 m/s relative to the bank. The man's hat falls into the river.

In an atom, almost all of the mass is concentrated in a tiny nucleus because

A truck travels down the highway at a speed of 110 km/hr. How long does the trip last if the truck covered 2200km?

Could tests be performed to support the clamim?