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mariarad [96]
4 years ago
7

In an exothermic reaction, why does the chemical reaction give off energy in the form of heat or light? A) Energy is created in

the chemical reaction. B) The reactants are more stable than the products. C) The products are more stable than the reactants. D) The reactants have less energy stored in the bonds than the reactants.
Chemistry
2 answers:
Sav [38]4 years ago
6 0
The answer is C because The products are way more stable than the reactants.
Vlada [557]4 years ago
6 0

Answer:

C) The products are more stable than the reactants.

Explanation:

Exothermic reaction are reactions  that dissipate energy to the environment. In exothermic reactions the reactant are at higher energy than the product therefore they release more heat to the surroundings. The ability and haste for exothermic reaction to go into reaction and release heat contributes to the stability of the product than the reactant .

Example of Exothermic reactions includes the combustion of methane ;

CH4(methane) + 2O2(oxygen molecule)  →  CO2(carbon dioxide) + 2H2O(water molecule) + heats

The reactant is at the left hand side while the product is at the right.

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Carbon is a synthetic element and is not normally found in nature.<br><br> True or False
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4 years ago
3 enzimas presentes en nuestro organismo e indique en que procesos actúan
lapo4ka [179]

Answer:

ATP asa, Helicasa, Proteasa, ARN polimerasa

Explanation:

Las enzimas son un tipo de biomoleculas que se corresponden con las proteinas.

Al momento de referirse a ellas, se utiliza la terminación asa.

ATPasa → Sintetizando ATP para el funcionamiento celular

Helicasa → Abre las hebras de ADN permitiendo el paso de la horquilla para el proceso de replicación de ADN.

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8 0
3 years ago
The free energy obtained from the oxidation (reaction with oxygen) of glucose (C6H12O6) to form carbon dioxide and water can be
babunello [35]

Answer:

The correct answer is -2878 kJ/mol.

Explanation:

The reaction that takes place at the time of the oxidation of glucose is,  

C₆H₁₂O₆ (s) + 6O₂ (g) ⇒ 6CO₂ (g) + 6H₂O (l)

The standard free energy change for the oxidation of glucose can be determined by using the formula,  

ΔG°rxn = ∑nΔG°f (products) - ∑nΔG°f (reactants)

The ΔG°f for glucose is -910.56 kJ/mol, for oxygen is 0 kJ/mol, for H2O -237.14 kJ/mol and for CO2 is -394.39 kJ/mol.  

Therefore, ΔG°rxn = 6 (-237.14) + 6 (-394.39) - (-910.56)

ΔG°rxn = -2878 kJ/mol

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3 years ago
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