What coefficient well O2 have after balancing this equation C4H8 + O2 -> CO2 + H2O

A. 4

B. 8

C. 6

D. 2.5

If you try to move a piano and are unable to move it, did you perform any work in the scientific sense of the word? yes no correct anwser get brainliest

What percentage of energy used in the u.s is produced from fossil fuels

When a chemist collects hydrogen gas over water, she ends up with a mixture of hydrogen and water vapor in her collecting bottle if the pressure in the collecting bottle is 97.1 kilopascals and the vapor pressure of the water is 3 2 kilopascals, what is the partial pressure of the hydrogen?