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Vera_Pavlovna [14]
4 years ago
11

Which Domain have eukaryotic cells? A. Bacteria B. Archaea C. Eukarya

Chemistry
2 answers:
8090 [49]4 years ago
7 0
The answer to your question is B!
enot [183]4 years ago
3 0

Answer:

B

Explanation:

im big brain

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How do i get my crush to like me back?
Soloha48 [4]

Answer:

I don't think you can :(

4 0
3 years ago
Read 2 more answers
a beaker of benzene is at room temperature. what is its vapor pressure. Is this vapor pressure large enough to cause the benzene
Serhud [2]

Answer:

(1). The vapor pressure is 91 mmHg at 20°C.

(2). No, benzene will not boil at sea level.

Explanation:

Benzene, C6H6 is an aromatic, liquid compound with with molar mass of 78.11 g/mol and Melting point of 5.5 °C. One of the importance or the uses of benzene is in the making of fibres and plastics.

The vapour pressure of benzene can be gotten from the table showing the vapor pressure of different liquids.

Boiling point can simply be defined as the point or the temperature in which the vapor pressure is the same with the atmospheric pressure.

The atmospheric pressure is 760mmHg, while the vapor pressure at sea level is at the temperature of 15°C which is equal to 71 mmHg( from the table showing the vapor pressure of different liquids).

71 mmHg is not equal to 760 mmHg, thus, at sea level Benzene will not boil.

8 0
3 years ago
How does a sex cell differ from a body cell
Delvig [45]

Sex cells have one set of chromosomes; body cells have two.

I hope this helps you.

5 0
3 years ago
Ammonia is the most common and well-known weak base. A sample of household ammonia has a pH of 11.8. Determine its concentration
Galina-37 [17]

The given question is incomplete. The complete question is:

A sample of household ammonia has a pH of 11.50. What is the hydronium ion concentration of this solution?

Answer: The hydronium ion concentration of the solution is 1.58\times 10^{-12}M

Explanation:

pH or pOH is the measure of acidity or alkalinity of a solution.

pH is calculated by taking negative logarithm of hydrogen ion concentration. Acids have pH ranging from 1 to 6.9 and bases have pH ranging from 7.1 to 14.

NH_3+H_2O\rightarrow NH_4^++OH^-

pH=-\log [H^+]

11.8=-log [H^+]

[H^+]=antilog(-11.8)

[H^+]=1.58\times 10^{-12}M

Thus hydronium ion concentration of this solution is 1.58\times 10^{-12}M

7 0
3 years ago
Read 2 more answers
Describe the concentration of hydronium ions and hydroxide ions when a base is added slowly to a white vinegar solution. The pH
Ede4ka [16]

Answer: as you add the base it added some  PH. The Ph lever of white vinager is2.4 - 3.4

5 0
3 years ago
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