A 140g sample of water at 25c is mexed with 50g of certain metal at 100c after equilibrium is established the final tempretur of
the mixture is 29.6C waht is the specific heat of the metal(specific heat of H2O =4.18J/g)
1 answer:
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Answer:
72.6% Error
Explanation:
% error =
58.44 is the weight of NaCl
<h2>Answer:</h2>
<em>8.67kJ/mol</em>
<h2>Explanations</h2>The formula for calculating the amount of heat absorbed by the water is given as:
Determine the moles of KI
Since heat is lost, hence the enthalpy change of the solution will be negative that is:
Determine the enthalpy of solution in kJ•mol-1
Hence the enthalpy of solution in kJ•mol-1 for KI is 8.67kJ/mol