2H2 + O2 - - > 2H2O

How many moles of oxygen would react completely with 6 moles of hydrogen?

A. 2

B. 3

C. 4

D. 12

The formation of which product (s) will most likely be observed in a combustion reaction?

What is the range of the numbers of isotopes chemical elements have?

Ni-cad (nickel-cadmium) batteries have a slightly lower cell potential than the common alkaline value of 1.5 v normally used in flashlights.

What is the lowest number energy level where a d sublevel is found

How is a mixture different from a chemical reaction?

Which of the following is an example of a molecule? F C Al O2

Organize the items listed into the proper sequence of events for gas exchange. a: O2 is transported to cells by circulatory system. b: O2 is drawn into the lungs during inhalation. c: Cells use O2 and generate CO2. d: CO2 is exhaled.

Research about the reaction of baking soda and vinegar

What mass (in mg) does 2.63 moles of nickel have? 3.56 * 105 mg 1.54 * 105 mg 2.23 * 104 mg 129 mg?

Given the propane molecule C3H8 (g) ! a) What is the balanced equation for the combustion of propane in O2? (20 pts.) b) What is the standard enthalpy change ΔH0 for the reaction at 25°C? (20 pts.