Which of the following is an example of atomic matter? select one: a. light emitted from a light bulb. b. carbon dioxide produced by a burning match.

What is the molar mass of a gas that has density of 2.054 g/l

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.

40dm3 of gas at 760 torr are heated from 5°c to 50°c what is the new volume