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2 years ago

In cells, the role of the mitochondrion is to:

Chemistry

2 answers:

denis-greek [22]2 years ago

7 0

Answer:

D produce energy

Explanation:

Mitochondria are membrane-bound cell organelles (mitochondrion, singular) that generate most of the chemical energy needed to power the cell's biochemical reactions.

BaLLatris [955]2 years ago

5 0

Answer:produce energy

Explanation:

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Chris noticed a high-pressure system in the weather forecast for Monday

Alchen [17]

Answer:

A. Clear and Sunny

Explanation:

The answer would be A. Clear and Sunny. A high pressure system occurs where the air mass above the Earth is denser than in surrounding areas, and therefore exerts a higher force or pressure. They usually happen with li9ght winds. Using process of elimination, it could not be D. Warm and Stormy, C. Cloudy and Rainy, or B. Cold and Stormy because all have wet climates.

5 0

2 years ago

What molecules do not attract each other

ExtremeBDS [4]

Answer:

Non-polar and non-polar molecules do not attract each other.

Explanation:

Dont forget to mark me as brainliest if it helped you ( Seriously you will thank me later)

6 0

2 years ago

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Which of the following describes a perpetual-motion machine?

makkiz [27]

Answer:

a motor that requires no energy input once it is running

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2 years ago

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The CRC Handbook, a large reference book of chemical and physical data, lists two isotopes of indium (). The atomic mass of 4.28

ivanzaharov [21]

Answer: The mass of second isotope of indium is 114.904 amu

Explanation:

Average atomic mass of an element is defined as the sum of masses of each isotope each multiplied by their natural fractional abundance.

Formula used to calculate average atomic mass follows:

.....(1)

Let the mass of isotope 2 of indium be 'x'

For isotope 1:

Mass of isotope 1 = 112.904 amu

Percentage abundance of isotope 1 = 4.28 %

Fractional abundance of isotope 1 = 0.0428

For isotope 2:

Mass of isotope 2 = x amu

Percentage abundance of isotope 2 = [100 - 4.28] = 95.72 %

Fractional abundance of isotope 2 = 0.9572

Average atomic mass of indium = 114.818 amu

Putting values in equation 1, we get:

$114.818=[(112.904\times 0.0428)+(x\times 0.9572)]\\\\x=114.904amu$

Hence, the mass of second isotope of indium is 114.904 amu

4 0

2 years ago

What are isotopes please help

NikAS [45]

Answer:

Isotopes are atoms of the same element with the same number of protons but different number of neutrons.

Hope this helps.

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2 years ago

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