What occurs when the products have less enthalpy than the reactants?

A. Heat energy is absorbed

B. Heat energy is released

C. The reaction will be complete

D. The reaction will reverse

C6h12 (l) + 9O2 (g) - >6CO2 (g) + 6h2O (g)

If the temperature remains constant and the pressure of the gas decreases the volume of the gas must?

Which of the following solvents would be the best to separate a mixture containing benzoic acid, 2,4-dinitrobenzoic acid, and 2,4,6-trinitrobenzoic acid by TLC? A. Methylene chloride B. Hexane C. Acetone D. None of the above

during the combustion of methane one mole of methane gas combines with two moles of oxygen gas to produce one mole of carbon dioxide gas and to moles of water vapor.

If I divide 6,048 by divided by 8 what does it equal

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