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Hatshy [7]
3 years ago
8

Please help me!!!!!!!!!!

Chemistry
1 answer:
Nataly [62]3 years ago
5 0
Alkane molecule ..,x x
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An object's velocity can be described by its acceleration and direction.<br><br> True<br> False
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Answer:

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Explanation:

An object's velocity can be described by it's direction. Because velocity is a vector. Besides velocity and acceleration are different units they can't be described by each other.

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<span>The superscripts in an electron configuration represents the number of electrons and protons in an element. </span>
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3 years ago
What is the cell potential for the reaction mg(s+fe2+(aq?mg2+(aq+fe(s at 77 ?c when [fe2+]= 3.40 m and [mg2+]= 0.210 m . express
Galina-37 [17]
First, you need to calculate the standard cell potential using standard reduction potential from a textbook or online. Since Mg becomes Mg+2, magnesium is being oxidized because it is losing electrons, you need to flip its potential

Fe+2 + 2e- --> Fe                  potential= -0.44
Mg+2 + 2e- --> Mg                potential= -2.37


Cell potential= (-0.44) + (+2.37)= 1.93 V

Now, you need to use Nernst formula to get the answer. I have attached a PDF with the work.
Download pdf
8 0
3 years ago
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