Answer:
Explanation:
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In this case, since the density is defined as the degree of compactness of a substance, and is defined as the mass over the volume:
Given the dimensions of the bar of lead, we can compute the volume as shown below:
Thus, the density turns out:
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Incomplete combustion occurs when the supply of air or oxygen is poor. Water is still produced, but carbon monoxide and carbon are produced instead of carbon dioxide. ... Carbon monoxide is a poisonous gas, which is one reason why complete combustion is preferred to incomplete combustion.
Answer:
Oxygen (O), for example, has three naturally occurring isotopes, which can be written as 8/16O, 8/17 O, and 8/18O.
Explanation:
A. Atomic radius increases
