An evacuated cylinder has a volume of 50 liters. If 20 liters of nitrogen gas and 20 liters of oxygen gas are pumped into this evacuated cylinder, how much of the cylinder is filled with the two gases?

a. Only 80 percent because only 40 out of 50 liters are used.
b. The entire container because gases will expand to fill it.
c. Only 80 percent because of the low molecular weight of the two gases.
d. The entire container because of the low molecular weight of the two gases.

Iwill give extra points to who gets this right

Which step in naming unsaturated hydrocarbons is used for alkenes but not alkynes

16. why must the number of electrons lost equal the number of electrons gained in every redox reaction? use 3 – 4 sentences in your own words to address this question. 18. what type of radiation is emitted when chromium-51 decays into manganese-51? show the nuclear equation that leads you to this answer. 19. a radioactive nucleus alpha decays to yield a sodium-24 nucleus in 14.8 hours. what was the identity of the original nucleus? show the nuclear equation that leads you to this answer.