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Korolek [52]
3 years ago
9

What occurs in order to break the bond in a cl2 molecule? explanation please.

Chemistry
2 answers:
alexandr1967 [171]3 years ago
6 0

A cl2 molecule is a diatomic molecule composed of two atoms of identical halogen - chlorine. In this case, this molecule is composed of covalent bonds in which the identical atom- molecule tells that this is also non-polar. To break the bond, energy has to be absorbed to break the intermolecular force that bound the molecule together. 
ipn [44]3 years ago
3 0

Options for the question;

(1) Energy is absorbed.

(2) Energy is released.

(3) The molecule creates energy.

(4) The molecule destroys energy.

Answer:

(1) Energy is absorbed.

Explanation:

Using the Method of elimination;

Option 1 - Energy is absorbed to break bonds. Bond-breaking is an endothermic process. This means this option is correct.

Option 2 - This option is incorrect because bond breaking is endothermic in nature. Energy is being absorbed and not released.

Option 3 and 4 - These optons are wrong because energy can neither be created nor destroyed but can change from one form to another.

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Which term or terms can be used to describe the model shown: element, compound, or molecule?
Afina-wow [57]

Answer:

Ammonia can be described as a compound and a molecule.

Explanation:

A compound consists of two or more different types of atoms bonded together and a molecule consists of two or more atoms bonded together. They can be the same atoms or a combination of different atoms. The model shown fits both of these terms. It is not an element because an element consists of only one type of atom.

4 0
3 years ago
The decomposition reaction of a to b has a rate constant of 0.00132 s-1: a → 2b if the initial concentration of a is 0.156 m, ho
Misha Larkins [42]

Answer: -

92.4 s

Explanation: -

The decomposition reaction of a → b has a rate constant k = 0.00132 s⁻¹

From the rate constant we see that the reaction is of zero order.

The rate equation for a zero order reaction is

A₀ - A = kt

where A₀ = initial concentration.

T = time passed since start of reaction,

A is the amount present after t time passed.

A₀ = 0.156 M

A = A₀ - 78.1% of A₀

  = 0.156 - \frac{78.1}{100} x 0.156

 = 0.156 - 0.122

 = 0.034 M

Plugging into the formula

A₀ - A = kt

0.156 - 0.034 = 0.00132 x t

t = \frac{0.122}{0.00132}

= 92.4 s

t =

8 0
3 years ago
Eugenol is to be isolated using steam distillation. At 100 oC and 744.67 torr calculate the vapor pressure of pure eugenol at 10
STALIN [3.7K]

Answer:

Vapor pressure of Eugenol = 667.04torr

Explanation:

By applying dalton's law of partial pressure;

at 100degree celsius, total pressure = 744.67torr

vapor pressure of water at 100 degree celsius = 760torr

mole fraction of eugenol = 0.1648

mole fraction of water = 1 - 0.1648 = 0.8352

Total pressure = vapor P(water) + vapor P( Eugenol)

for water; vapour pressure = mole fraction x total pressure

for eugenol; vapor pressure =  mole fraction x total pressure

substituting into the above gives the vapor pressure of eugenol = 667.04torr

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3 years ago
Select true or false: the definition of free radicals is molecular fragments having one or more unpaired electrons.
Nataliya [291]
The answer is false:)
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3 years ago
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