This substance should never be used to put out a petrol or oil fire

The relationship between the mass m of a material, its volume V, and its density D is

What ion do most basic compounds contain? A. H2O B. H2O- C. OH- D. H-

The mass of a liquid is 11.50 g and its volume is 9.03 ml. how many significant figures should its desnsity value have

The "gas" that was used in ww i contained phosgene. into what corrosive chemical was this gas changed when it met with the moisture in the lungs

Although all parts (postulates) of Dalton's atomic theory are important, which one of the postulates is crucial to explain the observations summarized by the Law of Definite Proportions? a. Atoms are very small. b.

Is calcium carbonate chemical change?

The mass number of an element is the sum of the number of

Balance the following reaction. CH4+O2==>CO2+H20

Why do you think crime scenes involving homemade bombs have increased?

The molecules of a gas at constant volume are somehow given a lower average kinetic energy. What two measurable properties of the gas will change and in what direction?