50.0 grams of copper, with a specific heat capacity of 0.385 J/goC, and the initial temperature of 10.0 oC is dropped into 400.0 grams of vegetable oil, with a specific heat capacity of 1.67 J/goC at 175 oC. Calculate the equilibrium temperature of the oil and copper combination, assuming no heat is absorbed from or by the container, or the surroundings, (Show all work clearly, including formulas, units, etc.).

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a. the law of proportion states the combination of 2 atoms in a specific ratio to produce multiple compounds such as the given statement of question ‘1st compound contains 88.8 % cu ’ indicates 88.8 g of cu is present along with 11.2 g oxygen in 100 g of compound whereas the statement ‘2st compound contains 79.9 % cu ’ indicates 79.9 g of cu is present along with 20.1 g oxygen in 100 g of compound

1st compound contains 88.8 g cu

for cu

m = 63 g /mol

atomic % = 88.8 /63 = 1.42

for o

m = 16 g /mol

atomic % = 11.2 /16 = 0.7

b. the emperical formula of 1st compound is

cu1.4o0.7

cu2o