Baking soda is sodium bicarbonate (nahco3). when you heat baking soda, it breaks down into sodium carbonate powder (na2co3), water vapor, and carbon dioxide. the enthalpy of this reaction is 129 kj. write a correct thermochemical equation for this reaction, explain how you came up with this equation, and explain what it tells you about the reaction.

0.09 moles of sodium sulfate in 12 ml of solution

The equation below shows the reaction of zinc with hydrochloric acid (hcl). zn (s) + 2 hcl (aq) —> zncl2 (aq) + h2 (g) what will happen if the concentration of hcl is decreased? a. more zncl2 will be produced. b. the reaction rate will slow down. c. the hydrochloric acid will become more acidic. d. the reaction will produce water instead of hydrogen gas.

Pls i will do pls imma diewhat forms white light? (4 points)a. combination of all wavelengths of ultraviolet light b. combination of all wavelengths of visible lightc. absorption of electromagnetic waves d. absorption of infrared rays