When copper is hammered into a sheet what type of change has the matter gone through?

2. A transformer only works with which type of current? A direct 70% B split Sm 70% C alternating D magnetic

The initial water level in a 10 - mL graduated cylinder reads 4.1 mL. after a ruby gemstone is dropped into the cylinder, the water level reads 7.1 mL what is the volume of the ruby?

Electromagnetic waves are classified into forms such as radio waves, microwaves, and infrared waves, based on the amount of energy they carry. Which property of an electromagnetic wave determines the level or amount of energy it carries

The vapor pressure of 10 mL of ethanol at 20C is 5.85 kPa. What is the vapor pressure of 20 mL of ethanol at the same temperature?

An isotope contains 26 protons, 24 electrons, and 32 neutrons

Water is a colorless and odorless liquid. It can exist in solid, liquid, and gas states. It boils at 100 degrees C and melts at 0 degrees C. Which option best describes this information? A. These are the physical properties of water. B.

What can happen to a supersaturated silution?

What is the source for georthermal energy

What senses will we use only with permission from a teacher or adult in Physical Science Labs?

Where is chemistry used?