The heat of vaporization of carbon tetrachloride (ccl4) is 197.8 j/g. how much energy is absorbed by 1.35 mol ccl4 when it vaporizes at its boiling point?

The volume of helium in a blimp is 6.28 x 10^9 millimeters. the density of helium in the blimp is .1786 kilogram/meter^3. find the mass of the helium in the blimp.

Americium-241 undergoes fission to produce three neutrons per fission event. if a neutron-absorbing material is mixed in with this sample so that the rate of neutron production drops down to 1.8 neutrons per fission event, which will be effective at achieving a critical mass? check all that apply. remove a deflective shield surrounding the sample. remove absorbent material mixed in with the sample. compress the sample of americium-241.

The missing component to the table to the right or indicated with orange letters complete the table by filling in the corresponding numbers or symbols