Chemistry, 03.04.2020 04:29 babyambs50
A foundry worker places a 5.78 kg sheet of cobalt at a temperature of 11°C on top of a 16.6 kg sheet of lead at 63°C. Assuming no heat is lost to the surroundings, calculate the final temperature of the two sheets of metal.
Answers: 3
Chemistry, 21.06.2019 22:30
Joseph has hypothesized that sound travels in waves. if he were following the scientific method, what should he do next? a. ask a question. b. test the hypothesis. c. study the results. d. tell other scientists about his hypothesis.
Answers: 1
Chemistry, 22.06.2019 11:30
If we compare and contrast electromagnetic waves with sound waves, all but one statement is true. that is a) sound waves require a medium to travel while electromagnetic waves do not. b) electromagnetic waves can travel through the vacuum of space while sound waves cannot. c) electromagnetic waves must have a medium in which to travel, but sound waves can travel anywhere. eliminate d) sound waves must bounce off of matter in order to travel while electromagnetic waves do not require matter to be present.
Answers: 3
A foundry worker places a 5.78 kg sheet of cobalt at a temperature of 11°C on top of a 16.6 kg sheet...
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