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2 years ago

What are two reasons that ICl has a low melting point?

Chemistry

1 answer:

vovangra [49]2 years ago

3 0

Answer:

1. It is a covalent bond and all covalent bonds have low melting points

Explanation:

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If I wrote 7h2o, how many hydrogen atoms do I have now? How many oxygen atoms?

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You would have 7 hydrogen and 2 oxygen atoms.

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3 years ago

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A well-insulated, closed device claims to be able to compress 100 mol of propylene, acting as a SoaveRedlich-Kwong gas and with

Setler79 [48]

Explanation:

The given data is as follows.

Moles of propylene = 100 moles, $T_{i}$ = 300 K

$T_{f}$ = 800 K, $V_{i} = 2 m^{3}$

$V_{f} = 0.02 m^{3}$ , $C_{p}$ of propylene = 100 J/mol

Now, we assume the following assumptions:

Since, it is a compression process therefore, work will be done on the system. And, work done will be equal to the heat energy liberating without any friction.

W = $mC_{p} \Delta T$

$100 moles \times 100 J/mol K (800 - 300) K$

= $5 \times 10^{6} J$

= 5 MJ

Thus, we can conclude that a minimum of 5 MJ work is required without any friction.

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3 years ago

Determine the empirical formula of a compound containing 48.38 grams of carbon, 8.12 grams of hydrogen, and 53.5 grams of oxygen

Lisa [10]

Answer:

1. The empirical formula is CH2O

2. The molecular formula is C6H12O6

Explanation:

Data obtained from the question include:

Carbon (C) = 48.38g

Hydrogen (H) = 8.12g

Oxygen (O) = 53.5g

Molar Mass of the compound = 180.15 g/mol

1. The empirical formula can be obtained as follow:

C = 48.38g

H = 8.12g

O = 53.5g

Divide each by their molar mass

C = 48.38/12 = 4.032

H = 8.12/1 = 8.12

O = 53.5/16 = 3.344

Next, divide by the smallest

C = 4.032/3.344 = 1

H = 8.12/3.344 = 2

O = 3.344/3.344 = 1

Therefore, the empirical formula is CH2O.

2. The molecular formula is mostly a multiple of the empirical i.e

Molecular formula => [CH2O]n

Now, we need to find the value of 'n' in order to obtain the molecular formula.

From the question given, we were told that the molar mass of the compound is 180.15 g/mol. With this information, the molecular formula can be obtained as follow:

[CH2O]n = 180.15

[12 + (2x1) + 16]n = 180.15

[12 + 2 + 16]n = 180.15

30n = 180.15

Divide both side by the coefficient of n i.e 30

n = 180.15/30

n = 6

Therefore, the Molecular formula is

=> [CH2O]n

=> [CH2O]6

=> C6H12O6

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3 years ago

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