B and D is out. It cant be A because heat of combustion is substance not compound. So the answer is D.
Answer:
change in the total mass of substances
Answer:
V = 0.0327 L.
Explanation:
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In this case, according to the given information, it turns out possible for us to calculate the liters of C3H6O by the definition of density. We can tell the density of this substance as that of acetone (0.784 g/mL) and therefore calculate the liters as shown below:

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There are 4 lone pairs of electrons present in the carbon dioxide molecule
Answer:
No, Mercury can actually cause poisoning. That is why other metals, such as Alkaline metals, are used in making batteries