1. Explain with reasons why burning of paper is a chemical change.

Determine the molar solubility of pbso4 in pure water. ksp (pbso4) = 1.82 * 10-8. a. 1.82 * 10-8 m b. 1.35 * 10-4 m c. 9.1 * 10-9 m d. 3.31 * 10-16 m e. 4.48 * 10-4 m

What is the proper way to write sodium in crystal form

What is the representative particle for copper metal, Cu

Which substance is a binary compound? A. Barium B. Beryllium C. Carbon dioxide D. Calcium Hydroxide

According to the kinetic-molecular theory, the collision between two ideal gas particles is a result of neither attraction nor repulsion. repulsion from the wall of the container. repulsion from other gas particles.

Which equation obeys the law of conservation of mass? A. 2Fe+3O2 - -> 2Fe2O3 B. 4Fe+O2--> 2Fe2O3 C. Fe+O2--> Fe2O2 D. 4Fe+3O2--> 2Fe2O3

Why do airbags fill evenly with gases?

In which of the following reactions will Kc = Kp? In which of the following reactions will Kc = Kp? (A) SO3 (g) + NO (g) ↔ SO2 (g) + NO2 (g) (B) 2 N2 (g) + O2 (g) ↔ 2 N2O (g) (C) 4 NH3 (g) + 3 O2 (g) ↔ 2 N2 (g) + 6 H2O (g) (D) 2 SO2 (g) + O2 (g) ↔ 2

Which tool is most suitable for a chemist to measure the mass of a liquid

What is the equation adheres to the law of conservation of matter