If each s'more requires 2 graham crackers, 3 pieces of chocolate, and one marshmallow, how many pieces of chocolate are necessary to make 5 s'mores? How many s'mores can you make with 15 pieces of graham cracker? Use dimensional analysis to solve the problem.

If the density of water is 1.0 g/cm3, which of these materials would float in water, based on their densities? check all that apply. aluminum cork iron lead wax

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.

The energy that powers a hurricane is derived from