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Vladimir [108]
3 years ago
9

Does a animal cell have a cell wall and chloroplasts

Chemistry
1 answer:
sergiy2304 [10]3 years ago
4 0

Answer:

Animal cells have centrosomes (or a pair of centrioles), and lysosomes, whereas plant cells do not. Plant cells have a cell wall, chloroplasts, plasmodesmata, and plastids used for storage, and a large central vacuole, whereas animal cells do not.

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Explain the meaning of each term in the symbol aXz
Ede4ka [16]

AXz

Explanation:

It is a chemical notation of nuclide

Here X is the symbol of the element

A is the mass number of element

A=n+p(sum of protons and neutrons)

Z is the atomic number.

For example, 12C6

Hers X is C, symbol of carbon

12 is the mass number and 6 is the atomic number of the carbon.

8 0
3 years ago
Solid aluminum metal reacts with aqueous zinc chloride to produce solid zinc metal and aqueous aluminum chloride
yuradex [85]

Answer:

2Al + 3ZnCl₂    →    3Zn + 2AlCl₃

Explanation:

Chemical equation:

Al + ZnCl₂    →    Zn + AlCl₃

Balanced Chemical equation:

2Al + 3ZnCl₂    →    3Zn + 2AlCl₃

This is the example of single displacement reaction. Al displace the zinc and form aluminium chloride and zinc metal.

There are two Al three zinc and six chlorine atoms on both side of equation so it is correctly balanced.

Thus it completely follow the law of conservation of mass.

Law of conservation of mass:

According to the law of conservation mass, mass can neither be created nor destroyed in a chemical equation.

This law was given by french chemist  Antoine Lavoisier in 1789. According to this law mass of reactant and mass of product must be equal, because masses are not created or destroyed in a chemical reaction.

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3 years ago
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