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KIM [24]
3 years ago
13

The heating curve shows the energy gain of a substance as it changes from solid to gas. Which section of the graph shows the liq

uid phase of
the substance gaining kinetic energy?

Chemistry
1 answer:
Free_Kalibri [48]3 years ago
3 0

Answer:

phase c show the liquid bas it is less from 100 and more from 0

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Explanation:

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In the following reaction, 451.4 g of lead reacts with excess oxygen forming 365.0 g of lead(II) oxide. Calculate the percent yi
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Let MM(x) be the molar mass of x.

MM(Pb) : MM(PbO)
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4 0
3 years ago
How many molecules in 9.18 moles of C11H12O22
Setler [38]

Answer:

55.3 × 10²³ molecules

Explanation:

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Number of molecules = ?

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The given problem will solve by using Avogadro number.

It is the number of atoms , ions and molecules in one gram atom of element, one gram molecules of compound and one gram ions of a substance.

The number 6.022 × 10²³ is called Avogadro number.

For example,

18 g of water = 1 mole = 6.022 × 10²³ molecules of water

For given data:

9.18 mol × 6.022 × 10²³ molecules /1 mol

55.3 × 10²³ molecules

5 0
2 years ago
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