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vagabundo [1.1K]
3 years ago
10

How many moles are 1.20 x 1025 formula units of calcium iodide?

Chemistry
1 answer:
madam [21]3 years ago
6 0

Answer:

19.9 mol

Explanation:

Use <em>Avogadro’s number</em> to convert formula units of CaI₂ to moles of CaI₂.

1 mol CaI₂ ≡ 6.022 × 10²³ formula units CaI₂

Moles of CaI₂ = 1.20 × 10²⁵ × (1 /6.022 × 10²³)

Moles of CaI₂ = 19.9 mol

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Answer:

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Explanation:

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3 years ago
Assuming that both cases describe hydrogen‑like atoms with one electron, for which case is more energy emitted or absorbed?
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1 year ago
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3 0
3 years ago
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taurus [48]

Answer:

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Explanation:

This is the formula for heat capacity that help us to solve this:

Q / (Final T° - Initial T°) = c . m

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3 years ago
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There are more negative ions than positive ions

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