A 23.5-liter balloon holding 3.0 moles of carbon dioxide. There was a leak and now there is 1 mole of carbon dioxide, what is the new volume of the balloon?

What’s the percent by mass of carbon in c10h14n2

How many moles of sulfuric acid (h2so4) are needed to react completely with 6.8 moles of lithium hydroxide (lioh)? 2lioh + h2so4 → li2so4 + 2h2o a. 3.4 mol h2so4b. 6.8 mol h2so4 c. 10.2 mol h2so4 d. 13.6 mol h2so4

When a beta particle is emitted, the mass number of the nucleus a. decreases by one b. increases by one c. remains the same d. decreases by two