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8090 [49]
3 years ago
10

. Why do cells reproduce?

Chemistry
1 answer:
Igoryamba3 years ago
3 0

Answer:

Cells reproduce for repairing tissues and the growth and development of an organism. Cell division is necessary for any organism to grow and, once fully developed, to maintain healthy tissues. Mitosis occurs in a fully formed organism to repair damaged tissue and to replace old cells.

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Estimate the standard internal energy of formation of liquid methyl acetate (methyl ethanoate, ch3cooch3) at 298 k from its stan
LenKa [72]

solution:

the reaction for formation of methyl acetate is\\CH_{3}OH+CH_{3}COOH----------->CH_{3}COOCH_{3}+H_{2}O\\standard internal energy \\\delta u=\delta H -\delta(pv)=\delta H -\delta n\times RT\\where \delta n=change in number of moles=0\\\delta u=\delta H\\=-442kj/mol

6 0
3 years ago
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What is homeostasis?
Alexandra [31]

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""the tendency toward a relatively stable equilibrium between interdependent elements, especially as maintained by physiological processes.""

Explanation:

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A 125-mL sample of an aqueous solution of the protein ovalbumin from chicken egg white contains 1.31 g of the dissolved protein
Stella [2.4K]

The molar mass of the protein is 45095 g/mol.

The mass of a sample of a chemical compound divided by the quantity, or number of moles in the sample, measured in moles, is known as the molar mass of that compound.

The expression of molar mass of protein is

M₂ = (W₂/P) (RT/V)

Given;

W₂ = 1.31g

P = 4.32 torr = 5.75 X 10⁻³ bar

R = 0.083 Lbar/mol/K

T = 25°C = 298.15 K

V = 125 ml = 0.125 L

Putting all the values in the above formula

M₂= (1.31 g/5.75 X 10⁻³ bar) X (0.083 Lbar/mol/K X 2)/0.125 L)

M₂ = 45095 g/mol

Thus, the molar mass of the protein is 45095 g/mol.

Learn more about the Molar mass with the help of the given link:

brainly.com/question/22997914

#SPJ4

7 0
2 years ago
A gas has no volume true or false
Anton [14]
False! gas has volume. gas such as (caron dioxide) have a definate mass and occupies a certain amount of physical space
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4 years ago
What is the solution to the equation below, rounded to the correct number of Significant figures? 4700 L - 281.4 L = ___ L
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Answer:

46

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