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Natasha2012 [34]
3 years ago
11

Which of the following would SLOW DOWN the rate of chemical

Chemistry
1 answer:
USPshnik [31]3 years ago
7 0

Answer:

increasing rainfall. hope it help

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A roller coaster reaches  its maximum P.E when it is at the top ;)
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A mystery element contains 11 electrons. Which group of the periodic table will it belong to?
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The compound CaSO4 ionizes into a calcium ion and a sulfate ion (SO4). Calcium has two electrons in its outer shell. Upon ioniza
gtnhenbr [62]

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-2

Explanation:

Calcium is the element of second group and forth period. The electronic configuration of Calcium is - 2, 8, 8, 2 or 1s^22s^22p^63s^23p^64s^2

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Thus, calcium loses two electrons to sulfate ion and sulfate ion accepts these electrons to form ionic bond.

Calcium sulfate, CaSO_4 is formed when 2 valence electrons of calcium are loosed and they are gained by sulfate ion.

Ca^{2+}+SO_4^{2-}\rightarrow CaSO_4

Thus, the charge on the sulfate ion is -2.

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3 years ago
The point in a titration at which the indicator changes is called the
irakobra [83]

Answer:

End point

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#correct me if I'm wrong

keep safe and study hard

brainliest please thank you

8 0
3 years ago
When explaining about structural classifications to a group of students, the instructor discusses the peptides and proteins. The
stepladder [879]

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There are approximately 200 amino acids.

Explanation:

Proteins are usually larger than peptides. In addition, proteins contains amino acids which are about 50 and more than while the amino acids in peptides are just between 2 and 50. On the other hand, growth hormone which is also known as somatotropin is a type of peptide cell regeneration, growth, and reproduction. The number of amino acids in the growth hormones are approximately 200.

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