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2 years ago

A temperature of 20 degrees C is equivalent to approximately

Chemistry

2 answers:

Olegator [25]2 years ago

7 0

<span>A temperature of 20 degrees C is equivalent to approximately </span>68 degrees Fahrenheit

Akimi4 [234]2 years ago

7 0

68 Degrees Farenheit

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Calculate the no. of each atoms presents in 10 grams of calcium carbonate.

raketka [301]

Molar Mass of Calcium carbonate:-

$\\ \sf\longmapsto CaCO_3$

$\\ \sf\longmapsto 40u+12u+3(16u)$

$\\ \sf\longmapsto 52u+48u$

$\\ \sf\longmapsto 100u$

$\\ \sf\longmapsto 100g/mol$

Given Mass=10g

$\boxed{\sf No\:of\;moles=\dfrac{Given\:Mass}{Molar\:Mass}}$

$\\ \sf\longmapsto No\:of\;moles=\dfrac{10}{100}$

$\\ \sf\longmapsto No\:of\:moles=0.1mol$

Now

$\boxed{\sf No\:of\:molecules=No\;of\:moles\times Avagadro\: No}$

$\\ \sf\longmapsto 0.1\times 6.023\times 10^{23}$

$\\ \sf\longmapsto 6.023\times 10^{22}molecules$

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Ksivusya [100]

Answer:

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Explanation:

This means the limiting reactant determines the maximum mass of the product formed.

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1 year ago

Who was the first to propose the idea of atoms?

VMariaS [17]

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