A 250.0 ml sample of air at 100 degrees Celsius is warmed to 200 degree Celsius.

How are isotopes of the same chemical element alike? how are they different?

Ageochemist examines a piece of metal that he found in the soil. he performs tests to identify the metal from its density, electrical conductivity, and melting point. which statement best describes his investigation? a. he is determining physical properties that are sufficient to identify the metal.b. he is determining chemical properties that are sufficient to identify the metal.c. he is determining physical properties that are insufficient to identify the metal.d. he is determining chemical properties that are insufficient to identify the metal.

Displacement is the slope of a velocity vs. time graph a. true b. false