a canister of neon contains 4.8x1024 atoms of gas. how many moles of neon are present in the canister.

Which of the following is always a reactant in a combustion reaction? oxygen nitrogen hydrogen carbon

Melissa is interested in her family tree and how her family has changed over its many generations. melissa probably more closely resembles

Read the chemical equation. 2c2h2 + 5o2 → 4co2 + 2h2o which of the following statements would be correct if one mole of c2h2 was used in this reaction? one mole of oxygen was used in this reaction. five moles of oxygen were used in this reaction. four moles of carbon dioxide were produced from this reaction. two moles of carbon dioxide were produced from this reaction.