An increase in motion and less attraction between particles
No, according to physics no work has been done.
Work must have been done by muscular force but in terms of physics no work has been done.
In physics,work is said to be done only if the force applied produced some kind of displacement in the direction of force.
In this example provided, no work has been done since the boulder doesn't get displaced,it continues to remain at its original position.
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Answer:
Explanation:
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In this case, since 12.75 g of calcium iodide has the following number of moles (molar mass = 293.89 g/mol):
In such a way, since 1 mole of calcium iodide contains 2 moles of atoms of iodine, and one mole of atoms of iodine contains 6.022x10²³ atoms (Avogadro's number), we compute the resulting atoms as shown below:
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