Question

Calculate the percent error of your average specific heat as compared to the accepted values listed.Report your answer to the correct number of significant figures. This may be 2 or 3 significant figures. Csp(Pb) = 0.128 J/goC; Csp(Al) = 0.900 J/goC; Csp(Cu) = 0.387 J/goC % Error =

Answer 1

Answer:

%Error for Al = 2.23

%Error for Cu=2.65

%Error for Pb= 1.59

Explanation:

Percentage error is the difference between a measured value and a true value as expressed in percent.

%Error =( True value - measured value )/True value ×100

If the measured value is less than true value

%Error = ( Measured value - True value) / True value × 100

If the measured value is greater than true value

For Pb, true value = 0.126J/g•C

Measured value =0.128J/g•C

%Error= (0.128-0.126)/0.126 ×100= 1.57

For Cu, true value = 0.377J/g•C

Measured value = 0.387J/g•C

%Error = (0.387-0.377)/0.377 ×100 =2.65

For Al, True value = 0.921J/g•C

Measured value = 0.900J/g•C

%Error= (0.921-0.900)/0.921 ×100 =2.23