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Naddika [18.5K]
3 years ago
9

Is the cell wall factory part or worker? And please explain what the worker or factory part does. (Don’t tell me it’s on quizlet

bc I can’t find it)
Chemistry
1 answer:
dem82 [27]3 years ago
5 0
Cell wall is a worker because it allows water and sugar in and out (atp)
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What are some examples of van der waals forces?
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1)London dispersion forces

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Which of the following is true when 1 M KCl is diluted to semi-molar KCl?
eimsori [14]

The solution before dilution and after dilution contains same number of moles, and water is added for dilution.

Option B

<h3><u>Explanation:</u></h3>

Suppose before dilution, the solution contains x moles of KCl in Y liter of water. Now as the concentration got halved, then the solution contains x moles of KCl in 2Y kiters of solution. So the number of moles of KCl in the solution remained constant.

Again, as the solution is diluted to half of the concentration, water must have been added with the solution to make it dilute.

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What type of model did Rutherford, Thompson and Bohr develop?
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3 years ago
Which of the following abilities is NOT a physical property of matter?
Morgarella [4.7K]

Answer:

Ability to react chemically with other substances is not a physical property.

Explanation:

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It depend upon the type of solute, solvent and reaction between them.

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Physical properties:

The properties which are not associated with change in chemical composition are called physical properties.                                                                                          

Example

Density, color, hardness, conductance, melting point, boiling points all  are physical properties.

Chemical properties:

The properties which are associated with change in chemical composition are called chemical properties.        

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H 2 (g)  + O 2  (g) -------------------------------------> 2H 2O  (l)

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