The enthalpy of the reaction is 100 kJ and the reaction is endothermic in nature.
<u>Explanation:</u>
Enthalpy of any chemical reaction is the measure of the difference in the energy utilized for performing a reaction. As in the present case, it is stated that the initially, a chemical reaction has 356 kJ of energy and after ending the chemical reaction has 456 kJ of energy.
This means the energy is increased after the chemical reaction. So the heat energy is absorbed during the reaction. This kind of chemical reaction where the products are formed by absorbing energy from the surrounding is termed as endothermic reaction.
Enthalpy = Energy absorbed = 456-356 =100 kJ.
So, the enthalpy of the reaction is 100 kJ. And as the enthalpy is positive which means the energy is absorbed from the surroundings, so the reaction is endothermic in nature.
Answer:
+3
Explanation:
If an atom loses electrons, it becomes positive. Because silver loses 3 electrons, the charge becomes positive 3.
Millimeters are an SI unit of length that =0.0001 m
The reactions based on the absorption and release of the energy are called endothermic and exothermic reactions. The reaction is exothermic.
<h3>What is an exothermic reaction?</h3>
Exothermic reactions are the reaction in which the reactant produces products that release energy from the system to the surroundings. In the reaction bond energy of the reactant is less than the product.
Energy from the system is released in the form of heat, sound, light and electricity. The weak bonds of the compounds are replaced with stronger ones and the standard enthalpy of the reaction is negative.
Therefore, option c. reaction is exothermic is correct.
Learn more about the exothermic reactions here:
brainly.com/question/26616927
