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4 years ago

The substance which is dissolved in a solution is called:

Chemistry

2 answers:

Yuki888 [10]4 years ago

5 0

Answer: The substance which is dissolved in a solution is called solute.

Explanation:

Solution is made up two parts:

1) Solute : The substance which is dissolves in a solvent to give a solution.

It is always present in less amount.

2) Solvent : The liquid substance in which solute is dissolved is known as solvent.

It is always present in large amount.

Solution = Solute + Solvent

For example : Salt as solute and water as solvent in salt solution.

Maru [420]4 years ago

3 0

The substance that is dissolved in water is called a solute.

Hope this helps~

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Answer: ΔH for the reaction is -277.4 kJ

Explanation:

The balanced chemical reaction is,

$CH_4(g)+Cl_2(g)\rightarrow CCl_4(l)+HCl(g)$

The expression for enthalpy change is,

$\Delta H=\sum [n\times \Delta H(products)]-\sum [n\times \Delta H(reactant)]$

$\Delta H=[(n_{CCl_4}\times \Delta H_{CCl_4})+(n_{HCl}\times B.E_{HCl}) ]-[(n_{CH_4}\times \Delta H_{CH_4})+n_{Cl_2}\times \Delta H_{Cl_2}]$

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Now put all the given values in this expression, we get

$\Delta H=[(1\times -139)+(1\times -92.31) ]-[(1\times -74.87)+(1\times 121.0]$

$\Delta H=-277.4kJ$

Therefore, the enthalpy change for this reaction is, -277.4 kJ

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