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AlexFokin [52]
3 years ago
13

How does Gibbs free energy predict spontaneity?

Chemistry
1 answer:
Kaylis [27]3 years ago
5 0

Answer:

Gibbs equation helps us to predict the spontaneity of reaction on the basis of enthalpy and entropy values directly. When the reaction is exothermic, enthalpy of the system is negative making Gibbs free energy negative. Hence, we can say that all exothermic reactions are spontaneous.

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What did Thomson’s model of the atom include that Dalton’s model did not have?
7nadin3 [17]
Thomson's model included Protons and Electrons. His model is referred to as 'Plum Pudding' because of it.
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A sample of nitrogen gas is produced in a reaction and collected under water in a graduated cyliner. The temperature is 26.3 oC
Rudiy27

The mass of nitrogen collected is mathematically given as

M-N2=0.025gram

<h3>What is the mass of nitrogen collected?</h3>

Question Parameters:

A sample weighing 2.000g

the liberated NH3 is caught in  50ml pipeful  of H2SO4 (1.000ml   =  0.01860g Na2O).

T=26.3c=299.3K

Pressure=745mmHg=745torr

Pressure of N2=745-25.2=719.8torr

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PV=nRT

Therefore

719.8/760=45.6/1000=n*0.0821*299.3

n=0.00176*14

In conclusion, the Mass of N2

M-N2=0.00176*14

M-N2=0.025gram

Read more about Mass

brainly.com/question/4931057

8 0
2 years ago
What do scientists Need to know about a compound in order to Classify it
OleMash [197]
Compounds are classified according to the elements that make them up. For example, oxides contain one or more oxygen atoms, hydrides contain one or more hydrogen atoms.
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6 0
3 years ago
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tankabanditka [31]
The answer is: 2 NH3 —> N2 + 3 H2
6 0
2 years ago
How would you describe the strength of the bonds that result from resonance in SO3?
Sladkaya [172]

Answer:

All bonds are equivalent in length and strength within the molecule.

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It gaseous form had a zero electrical dipole moment  because of the 120° angle between the S-O bonds.

Explanation:

7 0
3 years ago
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