How many liters are in 7.41 x 1026 atoms of helium (He) at STP?

Balance this equation co2(g) + h2o (g) show that the balanced equation obeys the law if conversation of mass

Which best describes how johannes kepler developed his laws of planetary motion

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.