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dedylja [7]
3 years ago
11

1. Which type of compound usually has higher melting points: ionic compounds or covalent compounds? What is the reason for this

difference in melting points?
Chemistry
1 answer:
ELEN [110]3 years ago
3 0
Ionic compounds have stronger bonds so a lot of energy is needed to break the bonds.
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A calibration curve relating absorbance(y) to concentration (x, measured in mol/L) of y= 0.36x-0.011 Use the calibration curve t
katrin [286]

Answer:

The concentration is 0.025 M.

Explanation:

We will use beer law to find the concentration.

A = εmCl

This law relate to the linear equation Y = mx + b in following way,

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m = εm = slope or extinction coefficient in beer law.

x = c = concentration

and l is length which is 1 cm

Thus equation can be written as,

A = εmc + b

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in order to find the concentration we will abstract the intercept from absorbance and then divide it by the slop.

0.02 - 0.011 / 0.36 = c

c =0.009

c = 0.025 M.

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4 years ago
What occurs in solvation
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