The molar mass of nitrogen gas is 28.0g/mol. a 100.0-g sample of air contains how many moles of nitrogen

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

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

Describe at least two advantages and two disadvantages of using hydropower as a source of energy.