Apair of scientists proposes two different theories to explain the same set of observations. which of the following best explains the value of these competing theories?
competing theories can be a source of new, testable ideas.
competing theories are necessary to transform a theory into a law.
competing theories generate controversy that popularize ideas.
competing theories allow scientists to combine the most interesting aspects of both theories.
Answers: 3
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A47.2 g block of copper whose temperature is 480 k is placed in an insulating box with a 91.8 g block of lead whose temperature is 200 k. (a) what is the equilibrium temperature of the two-block system? (b) what is the change in the internal energy of the two-block system between the initial state and the equilibrium state? (c) what is the change in the entropy of the two-block system? the heat capacities of copper and lead are 386 j/kg·k and 128 j/kg·k, respectively.
Answers: 1
Apair of scientists proposes two different theories to explain the same set of observations. which o...
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