Which is the balanced chemical equation representing the synthesis of hydrogen gas and oxygen gas? h2 o2 h2o

a. h2 o2 h2o

b. h2 o2 2h2o

c. 2h2 o2 2h2o

d. 2h2 2o2 2h2o

What does it mean in terms of strength when the ph of an acid changes from 5 to 4?

How many moles is 2.80 x 10*24 atoms of silicone?

A possible mechanism for the reaction of chlorine gas and chloroform to produce carbon tetrachloride and hydrogen chloride is given below.

What does homogeneous mixture of elements mean

Which plot element answers all the questions raised in the story and ties up all the loose ends? falling action resolution climax exposition

Hydrogen sulfide gas and sulfur dioxide gas react to form solid sulfur and water. If 10.0g of gaseous hydrogen sulphide is mixed with 10.0g of gaseous sulfur dioxide, how many grams of solid sulfur can form?

Describe the contributions of the following scientists to our knowledge of atomic structure: J. J. Thomson, R. A. Millikan, Ernest Rutherford, and James Chadwick

If you have 400 grams of a substance that decays with a half-life of 14 days, then how much will you have after 56 days?

As an electron gains energy, it becomes excited and jumps to a lower energy level?

If 3.011 x 1023 molecules have a mass of 20.04 grams, what is the molar mass of this substance?