When you dissolve covalent compounds in water, the molecules tend to stick together but if you dissolve ionic compounds in water, the formula units tend to disassociate. What can you infer about which type of bond is stronger?

Which of the following subatomic particles are found outside of the nucleus?

Determine the quantity (g) of pure CaCl2 in 7.5 g of CaCl2•9H2O

Which of the following can lower the activation energy of a system? A. density B. catalysts C. temperature D. concentration

When jack climbed the bean stalk what did he see

Why does calcium chloride weigh more when exposed to air?

How does oxygen obey the octet rule when reacting to form compounds? A) It gains electrons. B) It gives up electrons. C) It does not change its number of electrons. D) Oxygen does not obey the octet rule.

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