A 35.0-9 piece of copper wire is heated, and the temperature of the wire changes from 29.0°C to 76.0 degrees * C . The amount of heat absorbed is 243 cal. What is the specific heat of copper?

Which of the following statements is true? a. elements in the last period are radioactive. b. atomic weight is the same as atomic mass. c. elements in the same group have the same number of electron shells. d. atomic number equals the number of neutrons in the nucleus of an atom.

George is a dalmatian puppy. describe what happens to light that allows you to see george’s black and white coat.

The melting point of sulfur is 115 °c and its boiling point is 445 °c. what state would sulfur be in at 200 °c?