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1 year ago

Draw a drawing representing the reaction that occurs between calcium nitrate and sodium oxalate

1 answer:

6 0

Reaction between Calcium Nitrate and Sodium oxalate results in the formation of Sodium nitrate and Calcium Oxalate through Double displacement reaction.

<h3>What is Double displacement reaction ?</h3>

A double displacement reaction is a type of chemical reaction in which the reactant ions exchange places to form new products.

Usually, a double displacement reaction results in precipitate formation.

The chemical bonds between the reactants may be either covalent or ionic.

Drawing representing the reaction that occurs between calcium nitrate and sodium oxalate is attached as figure.

Learn more about Double displacement reaction here ;brainly.com/question/13870042#SPJ1

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When a 2.00 g sample of KCl is dissolved in water in a calorimeter that has a total heat capacity of 1.28 kJ ⋅ K − 1 , the tempe

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Answer : The molar heat of solution of KCl is, 17.19 kJ/mol

Explanation :

First we have to calculate the heat of solution.

$q=c\times (\Delta T)$

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$q=1.28kJ/K\times 0.360K$

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$\Delta H$ = enthalpy change = ?

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$\text{Moles of }KCl=\frac{\text{Mass of }KCl}{\text{Molar mass of }KCl}=\frac{2.00g}{74.55g/mole}=0.0268mole$

Now put all the given values in the above formula, we get:

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Therefore, the molar heat of solution of KCl is, 17.19 kJ/mol

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2 years ago

In a chemical reaction, the difference between the potential energy of the products of the potential energy of the reactants is

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Your question looks a bit incomplete as you have the same contents in options a) and d). According to your list, I can't see the correct answer, but I can give you one.The difference between the potential energy of the products of the potential energy of the reactants is equal to the enthalpy of the reaction.

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