Write an experiment to show that heat is evolved in a chemical reaction between sodium hydroxide and hydrochloric acid.
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Give the proper experiment using chemical equations..
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This question is for future chemists and scientists.
Answers
Answer:
Explanation:
The foundation of the study of thermochemistry was laid by the chemist Germain Hess, who investigated heat in chemical reactions during the last century. One statement of the law that bears Hess's name says:
The enthalpy change for any reaction depends on the products and reactants and is independent of the pathway or the number of steps between the reactant and product.
In this experiment, you will measure and compare the quantity of heat involved in three reactions. These heats of reaction will be measured using a styrofoam calorimeter. The three reaction are shown below.
Reaction 1: The dissolving of solid sodium hydroxide in water.
NaOH(s) ---> Na+(aq) + OH-(aq) + heat
Reaction 2: The reaction of solid sodium hydroxide with dilute hydrochloric acid.
NaOH(s) + H+(aq) + Cl-(aq) ---> Na+(aq) + Cl-(aq) + H2O
Reaction 3: The reaction of sodium hydroxide solution with dilute hydrochloric acid solution.
Na+(aq) + OH-(aq) + H+(aq) + Cl-(aq) ---> Na+(aq) + Cl-(aq) + H2O..
Explanation:
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Answer:
Hydrolysis is reverse of neutralization. When salt is added to the water, then cation, anion or both the ions of salt react with water and if the solution becomes either acidic or basic then it is hydrolysis process. When a cation of the salt reacts with water, weak base and acid solution is formed.
Explanation:
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