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Hunter-Best [27]
3 years ago
7

A dog has a mass of 19 kg

Chemistry
1 answer:
GREYUIT [131]3 years ago
3 0

Answer:

1.9 x 10^1

Explanation:

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Each molecule of hydrochloric acid, hcl, contains one atom of hydrogen and
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A.) <span>Each molecule of hydrochloric acid, HCl, contains one atom of hydrogen and "One atom of Chlorine"

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How many atoms are in .47 moles of argon
lesantik [10]

Answer:

\large \boxed {2.8 \times 10^{23}\text{ atoms Ar}}

Explanation:

\text{Atoms of Ar} = \text{0.47 mol Ar} \times \dfrac{ 6.022  \times 10^{23}\text{ atoms Ar}}{\text{1 mol Ar}}\\\\= \large \boxed {\mathbf{2.8 \times 10^{23}}\textbf{ atoms Ar}}

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What happens when molecules diffuse across the cell membrane?
mafiozo [28]

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The correct answer is from areas of high concentration to low concentration.

Explanation:

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3 years ago
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\boxed {\boxed {\sf {One \ atom \ donates \ both \ electrons \ in \ a \ pair}}}

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Sometimes, to satisfy the Octet Rule and achieve stability, one atom contributes both of the electrons in an electron pair. This is different from other covalent bonds because usually each of the 2 atoms contributes an electron to make a pair.

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