a. If 103 g of ethanol is needed for a chemical reaction, what volume of liquid would you use? The density of ethanol is 0.789 g/mL. b. For the above reaction, to what height (in cm) would you need to fill a graduated cylinder with a 1.1 in diameter?

Consider the following system at equilibrium. caco3(s) ca2+(aq) + co32–(aq) the addition of which compound will cause a shift in equilibrium because of a common ion effect? ccl4 co2 cuso4 na2co3

Which part of earth’s surface receives the most direct rays from the sun? a) equator b) ocean c) poles d) mountains

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.