: Phương trình H+ + OH- -> H2O là phương trình ion rút gọn của phản ứng nào sau đây? * H2SO4 + Ba(OH)2 -> BaSO4 + 2H2O
HCl + Cu(OH)2 -> CuCl2 + H2O
CH3COOH + NaOH -> CH3COONa + H2O
HNO3 +NaOH -> NaNO3 + H2O

The clouds are grey and ground is wet. a quantitative b qualitative

Write the empirical chemical formula of calcium with a mass percent of 38.8, phosphorus with a mass percent of 20.0, and oxygen with a mass percent of 41.3.

Match the following vocabulary terms to their definitions. 1. amount of energy required to change 1 gram of material from the solid to the liquid state at its melting point 2. a measure of the kinetic energy of the particles of a substance 3. the amount of heat energy required to raise the temperature of 1 gram of liquid water from 14.5°c to 15.5°c 4. amount of energy required to change 1 gram of material from the liquid to the gaseous state at its boiling point 5. the amount of energy required to change 1 gram of a substance 1°c a. temperature b. latent heat of vaporization c. latent heat of fusion d. calorie e. specific heat