Which process represents a chemical change? (1) melting of ice (2) corrosion of copper (3) evaporation of water (4) crystallization of sugar

What volume of 0.100 M HCl will react completely with 50.00 mL of 0.200 M NaOH?

Convert 63.3 kg to grams

Write the chemical equation for the reaction that occurs when 6 m hcl solution is added to the reaction mixture.

A battery is constructed based on the oxidation of magnesium and the reduction of cu2+. the initial concentrations of mg2 + and cu2 + are 1.2*10-4 m and 1.44 m, respectively, in 1.0-liter half-cells. how long can the battery deliver 5.

The table below shows the electronegativity values of various elements on the periodic table. electronegativities which pair of atoms would form a covalent bond?

What happens to the atomic radius as the atomic number increases down and why

What is the oxidation number of sulfur in H2SO3? a. + 3 b. + 1 c. + 2 d. + 4

A) Write the formula of the conjugate base for acid HF. b) Write the name of the conjugate base found in part A.

What is the general term for a compound not containing the element carbon?

determine the specific heat of a material if a 35g sample absorbed 96 J as it was heated from 293 K to 313 K?