Answer:

Explanation:
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In this case, since the combustion of the hamburger released 335.4 kcal of energy and that energy is received by the calorimeter, we can write:

And the heat of the calorimeter is written in terms of the temperature change and the calorimeter constant:

Thus, given the released heat by the hamburger due to its combustion and the temperature change, Cv for the calorimeter turns out:

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Answer. Dolphin reproduction starts when a couple of dolphins mate. The copulation occurs belly to belly initiating the gestation period which varies according to the species but ranges from 11 to 17 months in the case of the killer whale, being 12 months for the common bottlenose dolphin.
Answer:
number of Al atom =54÷27=2atom of Al. number of o atom = 160÷16=10 atom of o . =214U MASS of ALO2.
D there is one kind of cell of which all living things are made
Answer:
Lens and focal point is the correct answer.