Calculate the volume occupied by 4.2g of nitrogen at STP?​

C3h8o3 - glycerol major species present when dissolved in water

What is the ph of a 0.0010 m hno3? 1.0 3.0 4.0 5.0

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.