Chemistry, 27.06.2019 11:00 francisco42002
Brad is swimming in the ocean on a hot sunny day. he finds the water to be much colder than the sand on the beach, but even though the sun is warming them both. identify the reasons for brads observation.
Answers: 1
Chemistry, 22.06.2019 10:30
Great amounts of electromagnetic energy from our sun and other bodies in space travel through space. which is a logical conclusion about these electromagnetic waves? their energy must be very their frequency must be very low these waves can travel without a medium they only travel through a vacuum of space
Answers: 2
Chemistry, 22.06.2019 13:00
16. why must the number of electrons lost equal the number of electrons gained in every redox reaction? use 3 β 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.
Answers: 2
Chemistry, 22.06.2019 23:00
What is the most common reason for matter changing its state?
Answers: 1
Brad is swimming in the ocean on a hot sunny day. he finds the water to be much colder than the sand...
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