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Brut [27]
1 year ago
13

Does a negative ΔH mean that the heat should be treated as a reactant or as a product?

Chemistry
1 answer:
blagie [28]1 year ago
8 0

The negative ΔH mean that the heat should be treated as a reactant or as a product.

<h3>What is thermochemical equation? </h3>

The balanced equation which also include the enthalpy change of the reaction in it is termed as the thermochemical equation.

The change in enthalpy is denoted by ∆H . Depending on the process involved in the chemical equation, the value of ∆H can be negative or positive.

The reaction is said to have enthalpy value of change in enthalpy of a reaction. For instance, the value of ∆H is negative which implies that the reaction is exothermic.

This means that heat is released in the surrounding. Thus, the heat has to be entered in the product side.

Thus, we can say that negative ΔH mean that the heat should be treated as a reactant or as a product.

learn more about thermochemical equation:

brainly.com/question/2733624

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g In the elimination reaction of t-butanol and t-butyl bromide. A. They have a common intermediate and require a strong base B.
11111nata11111 [884]

Answer:

Both reactions share a common intermediate and differ only in the leaving group

Explanation:

The elimination reaction of tertiary alkyl halides usually occur by E1 mechanism. In E1 mechanism, the substrate undergoes ionization leading to the loss of a leaving group and formation of a carbocation.

Loss of a proton from the carbocation completes the reaction mechanism yielding the desired alkene.

In the cases of t-butanol and t-butyl bromide, the mechanism is the same. The both reactions proceed by E1 mechanism. The leaving groups in each case are water and chloride ion respectively.

6 0
3 years ago
Why is it necessary to find the percent yield of a reaction
Leokris [45]
The yield of a reaction is the final product. It is necessary to find the percent yield of a reaction since the efficiency of the reaction can be determined.

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How should scientist deal with the issue of endangered animals? write in complete 5 sentences please help
ANEK [815]
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3 0
3 years ago
The heat exchange in chemical reactions is due to a change in:
Paha777 [63]

Answer:

B

Explanation:

This would be due to enthalpy. This is because that this where heat exchange happens in chemical reactions.

So, a positive enthalpy means that the reaction is endothermic (heat entering) and if enthalpy is negative this will be a exothermic (heat released)

Another example would be the use of atoms. This example if temperature is the factor, this means that at low temp there is less kinetic energy so low temperature. However, an increase in energy means that there is more kinetic energy in the atoms which means that more collisions occurring.

Hope this helps !!!!

Have a nice day :)

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