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Semmy [17]
3 years ago
9

How many traditional areas of study can chemistry be divided into

Chemistry
1 answer:
irina [24]3 years ago
7 0
It can be divided into 5 I think.
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ololo11 [35]

Answer:

c

Explanation:

7 0
3 years ago
1. Which is not an example of matter? (6.P.2.1) *<br> Water<br> Mrs. Saliba<br> Imagination<br> Air
Alchen [17]

Answer:

Imagination

Explanation:

This isnt a real object

Hope this helps

3 0
3 years ago
The mole fraction of a non-electrolyte (MM 40.0 g/mol) in a saturated aqueous solution is 0.310. What is the molality of the sol
jeka57 [31]

<u>Answer:</u> The molality of non-electrolyte is 24.69 m

<u>Explanation:</u>

We are given:

Mole fraction of saturated aqueous solution = 0.310

This means that 0.310 moles of non-electrolyte is present.

Moles of water (solvent) = 1 - 0.310 = 0.690 moles

To calculate the mass from given number of moles, we use the equation:

\text{Number of moles}=\frac{\text{Given mass}}{\text{Molar mass}}

Moles of water = 0.690 moles

Molar mass of water = 18 g/mol

Putting values in above equation, we get:

0.690mol=\frac{\text{Mass of water}}{18g/mol}\\\\\text{Mass of water}=(0.690mol\times 18g/mol)=12.42g

To calculate the molality of solution, we use the equation:

\text{Molality}=\frac{n_{solute}\times 1000}{W_{solvent}\text{ (in grams)}}

Where,

n_{solute} = Moles of solute (non-electrolyte) = 0.310 moles

W_{solvent} = Mass of solvent (water) = 12.42 g

Putting values in above equation, we get:

\text{Molality of non-electrolyte}=\frac{0.310\times 1000}{12.42}\\\\\text{Molality of non-electrolyte}=24.96m

Hence, the molality of non-electrolyte is 24.69 m

4 0
3 years ago
Ivan wants to test how the amount of water consumed each day affects the number of facial blemishes people receive over a month.
Viktor [21]
Some people naturally have more or less blemishes than others because of genes
6 0
3 years ago
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A hot metal plate at 150°C has been placed in air at room temperature. Which event would most likely take place
arsen [322]

Answer:

All of the above

Explanation:

3 0
3 years ago
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