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course Phy 122
2/2 2127hrs
Explain how the final temperature of the system is combined with the known initial temperatures and masses of both substances to obtain the unknown specific heatYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYY
Your Solution:
What I would use in this problem would be similar to the equation used on question 13 of Chapter 14, in the book. Two sets of Q = mc(change in temp)T, just added together in one large equation utilizing the initial and final temps. Isolated systems have a thermal energy that are equal and opposite to each other. If one of the materials specific heat is know, the others can be calculated using the differences in the temperatures and looking it up on the chart. Solving for c(for the second substance is done by dividing the first substances Q = mcT by the second substances mT from the same form of the equation, then I would look up the answer from a table of specific heat to see if I could identify that material.
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Very good. You clearly understand this.
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