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3 years ago

At what phase of mitosis are two separate nuclei are formed as nuclear membranes form around

Chemistry

2 answers:

jeka57 [31]3 years ago

5 0

Probably telophase because for the difference in the nuclear membrane

GenaCL600 [577]3 years ago

3 0

Answer:

Telophase.

Explanation:

Mitosis is cell division in which the parent has the ability to divide and produce two respective daughter cells. The genetic constitution of the parent and daughter cells remain same after cell division.

Different mitosis satges are prophase, metaphase anaphase and telophase. The telophase is the last stage of mitosis. The nucelar envelope orms, cell organelles starts forming and the two nuclei of the separate cells are formed in the telophase. This stage is followed by cytokinesis.

Thus, the correct answer is option (2).

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What is the relationship between temperature and kinetic energy?

ad-work [718]

Answer:

substance is related to the average kinetic energy of the particles of that substance

Explanation:

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3 years ago

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How are carbohydrates and lipids similar? how are they different?

Ludmilka [50]

"Lipids are like carbohydrates in way that the true fats contain only carbon, hydrogen, and oxygen. Both carbohydrates and lipids act as the main fuels and energy storage compounds of the human body. They are also called SACCHARIDES and grouped as: Monosaccharides, Disaccharides, Trisaccharides, Polysaccharides."

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3 years ago

Which of the following gives the molarity of a 17.0% by mass solution of sodium acetate, CH 3COONa (molar mass = 82.0 g/mol) in

weeeeeb [17]

Answer:

The molarity of this solution is 2.26 M (option D)

Explanation:

Step 1: Data given

Mass % = 17%

Molar mass of CH3COONa = 82.0 g/mol

Density of the solution = 1.09 g/mL

Step 2:

Assume the mass of the solution is 1.00 gram

⇒ 17.0 % CH3COONa = 0.17 grams

⇒ 83.0 % H2O = 0.83 grams

Step 3:

Density = 1.09 g/mL

Volume of the solution = total mass / density of solution

Volume of solution : 1.00 grams / 1.09 g/mL

Volume of the solution = 0.917 mL = 0.000917 L

Step 4: Calculate number of moles of CH3COONa

Number of moles = Mass / molar mass

Number of moles CH3COONa = 0.170 grams / 82.0 g/mol

Number of moles = CH3COONa = 0.00207 moles

Step 5: Calculate molarity

Molarity = moles / volume

Molarity solution = 0.00207 / 0.000917 L

Molarity solution = 2.26 mol/L = 2.26 M

The molarity of this solution is 2.26 M (option D)

6 0

4 years ago

When water was added to a 4.00 gram mixture of potassium oxalate hydrate (molar mass 184.24 g/mol) and calcium hydrate shown bel

Sliva [168]

Answer:

% (COOK)2H2O = 37.826 %

Explanation:

mix: (COOK)2H2O + Ca(OH)2 → CaC2O4 + H2O

∴ mass mix = 4.00 g

∴ mass (CaC2O4)H2O = 1.20 g

∴ Mw (COOK)2H2O = 184.24 g/mol

∴ Mw (CaC2O4)H2O = 146.12 g/mol

∴ r = mol (COOK)2H2O / mol (CaC2O4)H2O = 1

% (COOK)2H2O = (mass (COOK)2H2O / mass Mix) × 100

⇒ mass (COOK)2H2O = (1.20 g (CaC2O4)H2O)×(mol (CaC2O4)H2O / 146.12 g (CaC2O4)H2O)×(mol (COOK)2H2O/mol (CaC2O4)H2O)×(184.24 g (COOK)2H2O/mol (COOK)2H2O)

⇒ mass (COOK)2H2O = 1.513 g

⇒ % (COOK)2H2O = ( 1.513 g / 4 g )×100

⇒ % (COOK)2H2O = 37.826 %

7 0

4 years ago

What is the name of this hydrocarbon? A: propane B: pentene C: butene D: ethane

avanturin [10]

I don't think it's any of the above. Because there is two double carbon bonds and it belongs to an alkene, it should be an ethene molecule.

3 0

3 years ago

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