Consider the burning of gasoline and the evaporation of gasoline. which process represents a chemical change and which represents a physical change?

What is the main reason cells are replaced in the body? A The cells are too large. B The cells are inactive. C The cells are damaged. D The cells are cancerous.

Define the following terms: acids, bases, oxoacids, oxoanions, and hydrates.

What energy sources make up the majority of the world's energy supply? O A. Solar and nuclear B. Hydropower and geothermal O c. Oil and coal O D. Geothermal and solar

Why is PCl3 called phosphorus trichloride

Distinguish Between matter and mass

15.434 g of kcl (m. m 74.55 g/mol) is dissolved in water up t a total volume of 500.0 mL. the density of this solution is 1.02 g/mL. what is the concentration of he solution in molality

Determine the molar mass of an unknown monoprotic acid to two decimal places if 20.01 ml of a 0.098 m naoh solution were used to titrate 0.215 g of the unknown acid

A diatomic molecule with a triple covalent bond is A. H2 B. N2 C. O2 D. Br2 (P. S. The answer turned out to be B. N2)

Consider the following half-reactions: Half-reaction E° (V) I2 (s) + 2e - 2I - (aq) 0.535V 2H + (aq) + 2e - H2 (g) 0.000V Zn2 + (aq) + 2e - Zn (s) - 0.

Where did the longest tsunami form?