A gas cylinder contains exactly 15 moles of
oxygen gas (O2). How many molecules of oxygen
are in the cylinder?
0 4.01 x 1022 molecules
0 6.02 x 1023 molecules
9.03 x 1024 molecules
2.89 x 1026 molecules

(1.6 × 10-19)(5.0 × 106) = c × 10d identify the missing numbers below to show the result of multiplying the numbers.

Which of the following natural processes is most likely to support the formation of an underwater sinkhole? a pollution buildup from deposited minerals b limestone cave collapsing due to changes in sea level c erosion of large amounts of sand moved by ocean waves d oxidation of rock formed by chemical weathering

In science class richard learns that a substance has a boiling point of 230 fahrenheit his teacher ask him to convert this temperature to degrees celsius what is the boiling point of his substance in degrees celsius