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Monica [59]
2 years ago
5

The pressure needed to pump blood back to the heart is produced by the _____.

Chemistry
1 answer:
PolarNik [594]2 years ago
4 0

Answer:

A. body muscles

The pressure needed to pump blood back to the heart is produced by the <u>body </u><u>muscles </u><u>.</u>

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If two atoms have an electronegativity difference of 1.3, what type of bond would form between them?
Debora [2.8K]

Answer:

The correct answer is b polar covalent

Explanation:

When two atoms joined by covalent bond has difference in their electronegativities at that time polarity arise.

    When the electronegativity difference is low such as 1.3 then the polar bond formed by the two atoms are called polar covalent bond.For example H2O

 on the other hand polar bond formed by two atoms having high difference in their electronegativities is called ionic bond.For example NaCl.

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3 years ago
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frosja888 [35]
Nothing at all happens because pure water cannot conduct electricity
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What happens when the thermal energy of a substance increases?
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What is the minimum cation-to-anion radius ratio (rC/rA) for an octahedral interstitial lattice site?
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0. 414

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Octahedral interstitial lattice sites.

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The octahedral sites are located halfway between the two planes. They are vertical to the locations of the spheres of a possible plane. There are, therefore, as many octahedral sites as there are atoms in a compact network.

The Octahedral interstitial void ratio range is 0.414 to 0.732. Thus, the minimum cation-to-anion radius ratio for an octahedral interstitial lattice site is 0. 414.

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