In a nuclear reaction, the energy released is equal to 5.4 x 1015 joules. calculate the mass lost in this reaction. (1 j = 1 kg m2/s2)
6.0 x 10-2 kg
4.86 x 10-1 kg
1.8 x 10-1 kg
1.62 x 102 kg

Read these sentences from the text. near the equator, the tropics receive the most rain on a consistent basis. as a result, the fresh water falling into the ocean decrease the salinity of the surface water in that region. [. .] . . as the salt content of sea water increases, so does its density. what can you infer about how rain affects the density of surface water near the equator?

Which of the following units is not an official si unit

If 16.00g of hydrogen gas reacts with 126.73g of oxygen, how many grams of water are yielded? (both reactants are completely consumed in the reaction.)