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yaroslaw [1]
3 years ago
13

When 25.0 grams of solid potassium hydroxide (KOH, molar mass = 56.1 g/mol) is dissolved in 100.0 grams of water, the solution i

ncreases in temperature by 61.5ºC. What is the molar heat of solution (ΔH) for potassium hydroxide in kJ/mol?
Remember that the mass of the solid is not added to the mass of the liquid to determine the mass of the solution. Just use the mass of the water.

q=CpmΔT and Cp for H2O = 4.18 J/gºC

Select one:
a. +57.7 kJ/mol
b. -1.03 kJ/g
c. -57.7 kJ/mol
d. 57700 J/mol
Chemistry
1 answer:
Maru [420]3 years ago
4 0

Answer:

They gave you the equation; Cp=,

just plug everything in! You’ve seen this; I have long ago, but we had different units. Sorry, but it’s right there! Go get it!

Explanation:

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m = 1.5 gram

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Explanation :

Complete ionic equation : In complete ionic equation, all the substance that are strong electrolyte and present in an aqueous are represented in the form of ions.

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The balanced molecular equation will be,

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In this equation the species, Li^+\text{ and }Cl^{-} are the spectator ions.

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The net ionic equation will be:

Ba^{2+}(aq)+SO_4^{2-}(aq)\rightarrow BaSO_4(s)

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