If h2o is water and h2o2 is hydrogen peroxide. what is h2o4?

How many grams of oxygen gas are contained in a 15 l sample at 1.02 atm and 28°c? show your work.

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.

Which are forms of frozen water? check all that apply. dew frost hail rain sleet