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AveGali [126]
3 years ago
5

What is mean by SI unit ?Mention any five physical quantities with their SI units.​

Chemistry
1 answer:
VikaD [51]3 years ago
6 0

Answer:

SI, The International System of Units is a scientific method of expressing the magnitudes or quantities.

  • amount of substance (mole)
  • time (second)
  • length (metre)
  • mass (kilogram)
  • electric current (ampere)

Hope this helps!

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What does the hydrosphere include?<br><br> Glaciers <br> Groundwater<br> Lava<br> Polar Ice
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Answer:

Groundwater, Glaciers, and Polar Ice.

Explanation:

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3 years ago
Acetone is a common solvent that has a density of 0.7899 g/mL. What volume of acetone, in milliliters, has a mass of 35.6 g?
lys-0071 [83]

Answer:

45.069 mL

Explanation:

mass/density=volume.

If we fill in the numbers provided, we would have:

35.6/0.7899=45.069

Don't forget to add your measurements!

45.069 mL

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Power is the rate at which energy is?
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Explain <br>solvay process​
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Explanation:

7 0
2 years ago
Imagine two solutions with the same concentration and the same boiling point, but one has benzene as the solvent and the other h
aleksandrvk [35]

Answer:

Concentration = 1.32 m

Boiling point = 83.44^{0}C

Explanation:

Let the boiling point of two solutions = T

Let the molal concentration of the two solutions= m

The relation between elevation in boiling point and molal concentration is:

elevationinboiling point=K_{b}Xmolality

i) For benzene

T-80.1=2.53Xm

T=2.53m+80.1 ....(1)

ii) For carbon tetrachloride

T-76.8=5.03Xm

T=5.03Xm+76.8 ...(2)

Equating the two equations:

5.03Xm+76.8=2.53m+80.1\\m=1.32molal

Putting value of "m" in equation "1"

T=2.53(1.32)+80.1=83.44^{0}C

5 0
3 years ago
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