A Helium filled balloon has a volume of 5.0 L at 20°C. The volume of the balloon decreases to 4.0 L after it is placed outside on a cold day. What is the new Temperature of the gas in the balloon?​

If a reactant was removed, did the new equilibrium system shift to make more reactants or more products?

Why does asexual reproduction result in offspring with identicle genetic variation

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.