If a student calculated 0.03256 moles of copper metal (Cu0), how many grams of copper metal (Cu0) should be recovered at the end
1 answer:
Answer:
Mass of copper metal will be 2.06756 gram
Explanation:
We have given number of moles of copper n = 0.03256
Molar mass of copper = 63.5 u
We have to calculate mass of copper metals in gram
We know that number of moles is given by
Mass in gram = 2.06756 gram
So mass of copper metal will be 2.06756 gram
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Answer: Option (A) is the correct answer.
Explanation:
Force acting on a dam is as follows.
F = .......... (1)
Now, when we double the depth then it means H is increasing 2 times and then the above relation will be as follows.
F' =
F' = ........... (2)
Now, dividing equation (1) by equation (2) as follows.
=
Cancelling the common terms we get the following.
=
4F = F'
Thus, we can conclude that if doubled the depth of the dam the hydrostatic force will be 4F.