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m_a_m_a [10]
3 years ago
6

The diagram shows an artery from somebody suffering with a disease that effects the

Chemistry
1 answer:
const2013 [10]3 years ago
8 0
Coronary heart disease
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An atom is the smallest part of an element
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43.0 + 50.0 + 16.0= please answer with right amount of significant figures
zzz [600]

Answer:

109.0

Explanation:

When adding or subtracting values, you must round your answer to the same "place" as the measurement with its last significant figure <em>furthest to the left</em>.  

That is, you round off to the same number of decimal places as the measurement with the <em>fewest decimal places</em>.

43.<u>0 </u>

50.<u>0</u>

<u>+16.0 </u>

109.<u>0</u>

In each measurement, the “0” is the significant figure furthest to the left, so you round off the number to the “tenths" place. That's the last column that the measurements share.

109.0 → 109.0 (rounded to the “tenths” place)

In other words, you do not round off, and the sum has four significant figures.

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3 years ago
Will favor dissolution and
Marizza181 [45]

Answer:

b) heating, cooling

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Heating will favour dissolution (it helps dissolving faster).

Cooling helps in crystallization.

8 0
2 years ago
What does your data indicate about the optimum ph level for this enzyme-catalyzed reaction?
mestny [16]
At an optimum pH of 7.0, there are more molecules per minute in all amounts of substrate thus this pH is ideal for maximum growth. 5. Enzymes function most efficiently at the temperature of a typical cell, which is 37 degrees Celsius. Increases or decreases in temperature can significantly lower the reaction rate.
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What is the total number of atoms in the formula<br> Ca(ClO3)2?
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Answer:

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Ca=1

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add them all

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