Examine the reactants of the incomplete double-displacement reaction. 2nacl + h2so4 → which of the answer choices correctly predicts the product of the double-displacement reaction? a. na2so4cl + h2 b.2naclh2so4 c. na2so4 + 2hcl d.2na + cl + h2 + so4

Explanation for basic character?

How are evaporation and sublimation similar? a both involve the formation of a gas. b both release energy to the surroundings. c both take place throughout a solid. d both take place at the surface of a liquid.

Substance 33°f 100°f peanut oil solid liquid margarine solid liquid chocolate chips solid liquid which conclusion fits the data in the table? a. heat chemically changes chocolate and margarine. b. all solids become liquid at 100°f. c. removing heat from a substance it to melt. d. matter may change shape when it is heated.