Math Problem Statement
A chemist carefully measures the amount of heat needed to raise the temperature of a
129.0g
sample of
C4H8O2
from
38.5°C
to
49.8°C
. The experiment shows that
×2.27103J
of heat are needed. What can the chemist report for the molar heat capacity of
C4H8O2
? Be sure your answer has the correct number of significant digits.
Solution
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Math Problem Analysis
Mathematical Concepts
Thermodynamics
Heat Capacity
Temperature Change
Molar Mass Calculation
Significant Figures
Formulas
q = mcΔT
ΔT = T_final - T_initial
c = q / (mΔT)
Molar Mass of C4H8O2 = 4(12.01) + 8(1.008) + 2(16.00)
C_m = c * Molar Mass
Theorems
-
Suitable Grade Level
Grades 11-12
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