Three clues that indicate a chemical change

Does baby oil have a high or low velocity?

Which scientist first discovered the white light is a mixture of a rainbow spectrum of light rays

Spring #1 has spring constant 61.0 N/m. Spring #2 has an unknown spring constant, but when connected in series with Spring #1, the connected springs have an effective spring constant of 20.0 N/m. What is the spring constant for Spring #2?

Which are sources for thermal energy for a heat pump? Check all that apply. air water sunlight ground fire

How would you describe a heavy element to someone who doesn't know what it is?

A 200 g piece of iron is heated to 100°C. It is then dropped into water to bring its temperature down to 22°C. What is the amount of heat transferred to water? (ciron = 0.444 J/g°C)

What is the intermingling of one substance within another

What best describes the motion of the medium particles in a longitudinal wave?

If we decrease the distance an object moves we will

Inside a torque converter, the one-way clutch allows the stator to rotate only in one direction. Technician A says that it will turn in the same direction as the output shaft. Technician B says it turns in the same direction as the impeller.