5. Explain why both diet and regular soft drinks can damage the enamel on the surface of teeth.
2 answers:
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Answer:
Explanation:
Translation:
- <em>What volume will 12g of iron occupy?</em>
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<h2>Solution</h2><em />
<em>Iron</em> is a solid substance at room temperature. You can find the <em>volume</em> of solids (and of not solids) using the density.
You can obtaindthe density of most pure substances in the internet. The density of<em> iron</em> at room temperature is 7.874 g/cm³.
Thus, substituting in the formula, you get:
The answer is rounded to two significant figures because the input, 12g, has two significant figures.