Combustion of one mole of glucose releases 2802.0 kJ. What is ΔcH for glucose?
A-2802.0 kJ/mol
B+2802.0 kJ/mol
C-393.5 kJ/mol
D-2658.0 kJ/mol
Answer & Solution
Correct answer: A. -2802.0 kJ/mol
Combustion releases heat, so the standard enthalpy of combustion of glucose is -2802.0 kJ/mol.
Keep practising Thermodynamics
Browse all Thermodynamics questions for CBSE Class 11 (Science), or explore more Chemistry topics.
Related questions
What does the first law say about the direction of heat flow?Strongly exothermic reactions generally have an equilibrium constant that is what?What is the Gibbs energy of a system at chemical equilibrium?A reaction has ΔH = -80 kJ and ΔS = -100 J/K at 300 K. What is ΔG?For 2Cl(g) → Cl2(g), what are the signs of ΔH and ΔS?A reaction has ΔH positive and ΔS positive. When is it spontaneous?In ΔG = ΔH - TΔS, what does TΔS represent?What is another name for the Gibbs energy of a reaction?