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zvonat [6]
3 years ago
6

In the SI units, what makes the base units special

Chemistry
1 answer:
djverab [1.8K]3 years ago
6 0

Answer:

All other units are gotten from them

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In which state of matter do the particles spread apart and fill all the space available to them?
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Gas, as the particles have the most energy, and thus move the most.
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3 years ago
Calculate the molality and van’t Hoff factor (i) for the following aqueous solutions:
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The van 't Hoff factor is the ratio between the actual concentration of particles produced when the substance is dissolved and the concentration of a substance as calculated from its mass. For most non-electrolytes dissolved in water, the van 't Hoff factor is essentially 1.

<h3>What is the value of Van t Hoff factor?</h3>

For most non-electrolytes dissolved in water, the Van 't Hoff factor is essentially $ 1 $ . For most ionic compounds dissolved in water, the Van 't Hoff factor is equal to the number of discrete ions in a formula unit of the substance.

<h3>Which has highest Van t Hoff factor?</h3>

The Van't Hoff factor will be highest for

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   B. Magnesium chloride.

   C. Sodium phosphate.

   D. Urea.

Learn more about van't off factor here:

<h3>brainly.com/question/22047232</h3><h3 /><h3>#SPJ4</h3>

3 0
1 year ago
Atoms that differ only in the number of neutrons are called:
Natali [406]
The answer is C. Isotopes.

Isotopes are defined as two substances that have the same number of protons and electrons, but a different number of neutrons, and therefore a different atomic mass. For example, carbon-12 and carbon-14 are isotopes of each other.

Hope this helps!
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2 years ago
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Helpppp plzzz (will mark brainlest)
grigory [225]

Answer:

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3 years ago
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Given these reactions,
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-805.8kJ

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