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sveticcg [70]
3 years ago
8

Which 'tropic' is located in the southern hemisphere?

Chemistry
1 answer:
butalik [34]3 years ago
6 0
Its Southern Hemisphere counterpart, marking the most southerly position at which the Sun can be directly overhead, is the Tropic of Capricorn. These tropics are two of the five major circles of latitude that mark maps of the Earth, besides the Arctic and Antarctic Circles and the Equator.
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Chemicals that are able to slow or stop the reaction rate are inhibitors. reactants. products. catalysts.
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Answer:inhibitors

Explanation:

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Complete question is;

A drop of water has a volume of approximately 7 × 10⁻² ml. How many water molecules does it contain? The density of water is 1.0 g/cm³.

This question will require us to first find the number of moles and then use avogadro's number to get the number of water molecules.

<em><u>Number of water molecules = 2.34 × 10²¹ molecules</u></em>

We are given;

Volume of water; V = 7 × 10⁻² ml

Density of water; ρ = 1 g/cm³ = 1 g/ml

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Number of moles(n) = mass/molar mass

Thus;

n = (7 × 10⁻²)/18.01

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from avogadro's number, we know that;

1 mol = 6.022 × 10²³ molecules

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