Chemical Equations (Balancing)

Is O₂ an element or compound?

• Element

• Compound

Is H₂O an Element or Compound?

• Element

• Compound

• Reactants

• Products

• Reactants

• Products

• 1 molecule of Nitrogen gas combines with 3 molecules of Hydrogen gas to produce 2 molecules of Ammonia gas.

• 1 mole of Nitrogen gas combines with 3 moles of Hydrogen gas to produce 2 moles of Ammonia gas.

• 1 gram of Nitrogen gas combines with 3 grams of Hydrogen gas to produce 2 grams of Ammonia gas.

• 1 kg of Nitrogen gas combines with 3 kg of Hydrogen gas to produce 2 kg of Ammonia gas.

• 2 : 1

• 1 : 2

• 1

• 2

• 3

• 4

How many Hydrogen atoms are there in 4H₂O?

• 1

• 2

• 4

• 8

• 1

• 2

• 3

• 4