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jasenka [17]
4 years ago
9

Help please this is Anatomy work

Chemistry
1 answer:
Westkost [7]4 years ago
7 0
Why might buffers be important in the human body?:
buffers prevent radical changes in a fluids pH value (within the body). this helps maintain homeostasis, which is essential to life.

Cite evidence from your reading to support your answer:
to cite your evidence, go back to the reading 2.2 Inorganic Compounds and find the section about buffers. cite this section (by including paragraph number or page number, whichever one makes more sense).

hope this helps!
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What is the percentage error of length measurement of 0.229cm if the correct value is 0.225cm
Mars2501 [29]

Percent error is the difference between the measured and known value, divided by the known value, multiplied by 100%.

So first, we take our measured value, .299 cm, minus our known value, .225 cm.

.299 cm - .225 cm=.004 cm

Next, we divide that by our known value

\frac{.004}{.225}=.0177777778

Finally, multiply your answer by 100

.0177777778 x 100= 1.77777778 %

Round to three significant figures, and you're done.

=1.78 % error



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4 years ago
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That’s the answer ^^^^
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