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Sliva [168]
2 years ago
12

In the SI system of units, the mole is one of seven base units. It is frequently used in chemical calculations. However, a mole

of something is just a particular quantity of it. It is not a unit of measure in the way that meters, seconds, and kilograms are. Calculations performed with the number of moles of a substance could also be performed with the number of particles of a substance. Based on this information, do you think that the mole should be considered a base unit in the SI system? Explain why or why not.
Chemistry
1 answer:
igomit [66]2 years ago
3 0

Answer:

qwer

Explanation:

xcvbn

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Suggest the methods used to separate the following:
MArishka [77]

Answer:

Separation method for various ingredients are

1. Paneer from curdled milk.  - Filtration

2. Chalk powder from water.  - Filtration

3. Sand from salt solution. - Evaporation

4. Saw dust from water.  - Skim off, sieve or filter

5. Tea leaves from brew. - Filtration.

Explanation:

By the help of a muslin cloth the paneer is separated from the curdled milk, the process is called as the filtration. The paneer will remain in the cloth and curdled milk will be removed. Separation of chalk powder from water is very easy by the process of filtration, after the filtration the chalk powder retentate and the filtrate obtained is the water in absence of chalk.  Salt and sand water separation can be done with the help of evaporation. Separation of the saw dust from water takes place by the method of sieving or sedimentation. The tea leaves are separated from brew by filtration.

3 0
3 years ago
True or false when water melts energy goes out
SVETLANKA909090 [29]
I think the answer is yes
6 0
3 years ago
Read 2 more answers
Which substance would have the highest melting point, based on electronegativity?
kenny6666 [7]

Water, H₂O, will have the highest melting point.

Explanation:

So here we have listed the hydrides of oxygen, sulphur, selenium and tellurium.

From this elements oxygen have the highest electronegativity and as a consequence the oxigen hydride (water, hydrogen dioxide) it is able to form hydrogen bonds between molecules. So you need more energy to overcome the interactions between molecules in water that for the other compounds.

Water, H₂O, will have the highest melting point between the listed hydrides.

Learn more about:

hydrogen bonds

brainly.com/question/3157382

#learnwithBrainly

4 0
3 years ago
How do you tell if an element is a solid, liquid or gas (ex. Na2S)
svetoff [14.1K]
Solids have a definite shape, and a definite volume.
Liquids have a definite volume, but have no definite shape.
Gas have neither a definite volume nor a definite shape.

Hope this helps!
4 0
3 years ago
Read 2 more answers
I need help with this
alex41 [277]

Answer:

infrared for longer and ultraviolet for shorter

Explanation:

let me now if right

8 0
3 years ago
Read 2 more answers
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