1 mole of CO2 means:
a)4.4g of CO2
b)STP
c)CO2+6.022×10^23
d)22g of CO2​

One molecule of carbon dioxide consists of 1 atom of carbon and 2 atoms of oxygen. One mole of carbon dioxide molecules has a mass of 44.01 g, while one mole of sodium sulfide formula units has a mass of 78.04 g. The molar masses are 44.01 g/mol and 78.04 g/mol respectively.

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.

i believe the answer is 5,000