Question

What do you think will happen to the temperature if you used 75 mL of HCl and 75 mL of NaOH instead of the 10 mL each you used in Experiment 1.

Answer 1

Answer:

Increases as more heat is releasedes

Explanation:

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he reaction between NaOH and HCl is a neutralization. The heat of reaction is the heat exchanged in the process and is characteristic of each chemical reaction. The reaction in question is exothermic (releases heat) and the amount of heat released depends on the working temperature (it is made by a low temperature), the reagents used and their concentrations.

The amount of heat assigned depends on the variation in temperature and the mass used.

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Answer 2

The neutralization reaction is the interaction between HCl (strong acid) and NaOH (strong base). As a result of this reaction between HCl and NaOH, salt(NaCl) and water(H₂O) are produced.

i.e.

HCl + NaOH  →  NaCl + H₂O

When a strong acid interacts with a strong base in a neutralization reaction, heat energy is generated. This condition is usually referred to as Enthalpy of Neutralization. As a result, the reaction situation is extremely exothermic. This is due to the fact that no bonds are being broken, but there is the release of energy in the formation of H₂O.

So, when 75 mL of HCl and NaOH is being used instead of 10mL, the temperature increases as much heat is released.

However, in both situations of 75mL and 10 mL, the temperature change will be the same.

Therefore, from the above explanation, we can conclude that when 75 mL of HCl and NaOH is being used instead of 10mL, the temperature increases as much heat is released.

Learn more about Neutralization reaction here:

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