Be sure to answer all parts. To study a key fuel-cell reaction, a chemical engineer has 20.0−L tanks of H2 and of O2 and wants to use up both tanks to form 31.0 mol of water at 23.8°C. (a) Use the ideal gas law to find the pressure needed in each tank. atm H2 atm O2 (b) Use the van der Waals equation to find the pressure needed in each tank. atm H2 atm O2

8 m/s because for him to get the same amount of energy as ray is putting out, bobby, who weighs half as much as ray, needs to run twice as fast.

answer: any goods being imported from another country may be subject to issued by the federal government are tariffs

explanation:  

tariffs are a tax on anything that are imported from abroad. government use them to protect and boost their local industries and the thought is that they encourage consumers to buy local instead of importing and they will hope will protect jobs and economy in the country that implements them  

it is reliable if two scientists recorded it