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Andru [333]
2 years ago
15

Which of the following fits the definition of a mineral? a. oil, because it's a liquid, not a solid b. a lab-grown diamond, beca

use it has a definable chemical composition c. salt, because it's crystalline d. glass, because it's inorganic
Chemistry
1 answer:
SVEN [57.7K]2 years ago
4 0

Answer: The answer is C

Explanation:the salt fits the definition of a mineral because it's a naturally occurring compound that has a definite composition and a crystalline structure. It has a crystalline structure because of its repeating pattern

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To determine the heat required in order to decompose a certain amount of a substance, we need information on the heat needed to decompose one mole of the substance. This value are readily available online and other sources. For this reaction, the heat needed is 129 kJ per 2 mol of NaHCO3. We calculate as follows:

129 KJ / 2 mol NaHCO3 (1 mol / 84.01 g ) (25.5 g NaHCO3 ) = 19.58 kJ of heat is needed.
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Which law is based on the graph that is shown below? A graph is shown with pressure on the horizontal axis and volume on the ver
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