A 2.00g sample of unknown hydrocarbon is found to contain 1.50g carbon and 0.50g hydrogen. What is the compound's percent composition

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.

Under normal conditions, describe how increasing the temperatures effects the solubility of a typical salt

In what environment would mineral formation caused by high pressures and high temperatures most likely occur?