Answer: 3.21 N
For weight, we will multiply by
Hence, the rock would weigh 3.21 N.
A particle with a charge of 2e moves between two points which have a potential difference of 75V. What is the change in potentia
1 answer:
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<em>B) Electrons in valence shells are shared between nuclei.</em>
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Explanation:
The simple definition of a covalent bond is a strong force when two atoms share one or more pairs of electrons.
Popular examples of covalent bonds would be:
Carbon Monoxide (CO)
Methane ()
Water ()
We have by the first law of thermodynamics tha energy is preserved, hence we cannot have over 840kJ per cycle. We have by the laws of thermodynamics (the 2nd one in specific) that the entropy of a system cannot increase. We cannot have an output of 840 kJ per cycle from a heat engine because then that would mean that the entropy would stay the same, while any heat engine increases it. Hence, any value 
is acceptable.