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Varvara68 [4.7K]
3 years ago
15

Who studied cell reproduction

Chemistry
2 answers:
egoroff_w [7]3 years ago
4 0
Me,need help?or what???
nikdorinn [45]3 years ago
3 0
Mitosis or meiosis. Two types. Very different.
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Calculate the mass of water formed when 4g of methane is burnt in excess oxygen​
wariber [46]

Answer:

Mass of water formed: 9g

Explanation:

Hope it helps you!

6 0
2 years ago
Why are relative atomic masses on the periodic tables not whole numbers?
Kobotan [32]

Answer:

They are averages.

Explanation:

atomic numbers on periodic tables are derived from the average value of all the isotopes of the element. So being averages they are sometimes not integers.

6 0
3 years ago
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Perform the following calculations to the correct number of significant figures.
SSSSS [86.1K]
Answer: 460.624

Explanation:
1. Multiply the numbers
(24.5260 x 2.56) + 397.84
= (62.784) + 397.84

2. Add the numbers
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2 years ago
What does a horizontal row of elements in the periodic table represents
xxTIMURxx [149]
The periods or energy levels
8 0
3 years ago
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A breathing mixture used by deep-sea divers contains helium, oxygen, and carbon dioxide. What is the partial pressure of oxygen
Kay [80]
Answer is: pressure of oxygen is 31,3 kPa.
The total pressure<span> of an ideal gas mixture is the sum of the </span>partial pressures<span> of the gases in the mixture.
p(mixture) = p(helium) + p(oxygen) + p(carbon dioxide).
p(oxygen) = p(mixture) - (p(helium) + p(carbon dioxide)).
p(oxygen) = 101,4 kPa - (68,7 kPa + 1,4 kPa).
p(oxygen) = 101,4 kPa - 70,1 kPa.
p(oxygen) = 31,3 kPa.

</span>
3 0
3 years ago
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