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3 years ago

What is the function of a vacuole

Chemistry

2 answers:

Ymorist [56]3 years ago

8 0

<span>a space or vesicle within the cytoplasm of a cell, enclosed by a membrane and typically containing fluid.</span>

Anastaziya [24]3 years ago

4 0

In the plant, a vacuole is what contains all of the waste and the materials. It also controls the pressure within the cells for the plant to grow at a proper pace.

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Help me pls

harkovskaia [24]

Answer:

this is answers to the second picture

Explanation:

1- energy

2- structure

3- reaction

4- substance

5- reactants

6- products

7- changed

8- At first there is no reaction because of the protective oxide coating on the aluminum. But soon an exothermic reaction between bromine and aluminum causes brown fumes of bromine to be given off. But as a new substance, aluminum bromide is produced. White smoke is produced.

9- heated to 120 degrees Celsius it melts and first forms a pale-yellow liquid.

In this form the atoms are covalently bonded, and the liquid can flow easily. However, heated up beyond 150 degrees Celsius, the result is a dark red

10- When a chemical change occurs it is more difficult to revert the substance back to its original state. (To be honest I don't know)

3 0

3 years ago

When the pressure and number of particles are kept constant for a sample of gas, which of the following is also constant for the

Leno4ka [110]

The answer is D....................

7 0

3 years ago

Ppredict the identity of the precipitate in the below reaction:<br><br> BaCl2(aq) + K2SO4(aq) →

Annette [7]

Answer: The precipitate formed is $BaSO_4$

Explanation:

A double displacement reaction is one in which exchange of ions take place. The salts which are soluble in water are designated by symbol (aq) and those which are insoluble in water and remain in solid or precipitated form are represented by (s) after their chemical formulas.

A double displacement reaction in which one of the product is formed as a solid is called as precipitation reaction.

The balanced chemical equation is:

$K_2SO_4(aq)+BaCl_2(aq)\rightarrow BaSO_4(s)+2KCl(aq)$

3 0

3 years ago

2. What are the different areas of an electron cloud called?

Ghella [55]

Shells (electrons) - located in the cloud
nucleus- located in the center
energy level - is determined by the electron count ( level 1 - 2 electrons
level 2 - 8 electrons
level 3- 18 electrons)

5 0

3 years ago

What is one reason that scientists who study weather need extremely advanced technology?

Anton [14]

Answer: C) To monitor weather event restricted several days in advance.

Explanation:

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3 years ago

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