Question

sucrose (C12H22O11 table sugar) is oxidized in the body by O2 via a complex set of...

sucrose (C12H22O11 table sugar) is oxidized in the body by O2 via a complex set of reactions that ultimately produces CO2(g) and H2O(g) and releases 5.16X103 kJ/mol sucrose. a) Write a balanced thermochemical equation for this reaction for the reaction. Include the physical state of each reactant and product. enter your answer in scientific notation. b) how much heat is released per gram of sucrose oxidized?

0 0
Add a comment Improve this question Transcribed image text
Answer #1

a) C12H22O11 (s) + 12O2 (g) -----------------------> 12CO2 (g) + 11H2O(l)

b)

342 g sucrose ------------------> 5.16 x 10^3 kJ enrgy

1 g sucrose gives ------------------> 5.16 x 10^3 kJ enrgy / 342 = 1.51 x 10^-1 kJ

heat is released   per gram = 1.51 x 10^-1 kJ

Add a comment
Know the answer?
Add Answer to:
sucrose (C12H22O11 table sugar) is oxidized in the body by O2 via a complex set of...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions
  • Sucrose (table sugar, C12H22O11) can be oxidized to CO2 and H2O, and the enthalpy change for...

    Sucrose (table sugar, C12H22O11) can be oxidized to CO2 and H2O, and the enthalpy change for the reaction can be measured. C12H22O11(s) + 12 O2(g) → 12 CO2(g) + 11 H2O(ℓ) ΔHrxn° = -5645 kJ/mol-rxn What is the enthalpy change when 7.00 g of sugar is burned under conditions of constant pressure? kJ

  • The combustion of gasoline in a car is similar to our respiration of C12H22O11(s) sugar/food where...

    The combustion of gasoline in a car is similar to our respiration of C12H22O11(s) sugar/food where the products for both are carbon dioxide and water. The complete balance equations for the combustion of gasoline and sugar are listed below 2 C8H18 (l) + 25 O2 (g) → 16 CO2 (g) + 18 H2O (g) C12H22O11(s) + 12 O2 (g) → 12 CO2 (g) + 11 H2O (g) How much energy (in kJ) is produced by the combustion of 1.60 gallons...

  • 59. Combustion of table sugar produces CO2(g) and H20(). When 1.46 g of table sugar is...

    59. Combustion of table sugar produces CO2(g) and H20(). When 1.46 g of table sugar is combusted in a constant- volume (bomb) calorimeter, 24.00 kJ of heat is liberated. a. Assuming that table sugar is pure sucrose [C12H22O11(s)), write the balanced equation for the combustion reaction. b. Calculate AE in kJ/mol C12H22011 for the combus- tion reaction of sucrose.

  • Sucrose, C12H22011, is table sugar, and it has a (enthalpy of reaction) AH. of –5639.7 kJ/mol....

    Sucrose, C12H22011, is table sugar, and it has a (enthalpy of reaction) AH. of –5639.7 kJ/mol. Determine the AH; of sucrose given AH+ (H2O(1)) = -285.8 kJ/mol, and AH+ (CO2(g)) = -393.5 kJ/mol. [3] C12H22O4(s) + 12 O2(g) → 12 CO2(g) + 11 H2O(1)

  • Info needed For reaction 2, the combustion of sucrose, the balanced equation is: C12H22O11 (s)     +   ...

    Info needed For reaction 2, the combustion of sucrose, the balanced equation is: C12H22O11 (s)     +    12 O2 (g)      →      12 CO2 (g)     +    11 H2O (l)      & table Quantity Value Unit MARKS mass of sucrose 1.0255 g 1 Mark Initial Temperature (Ti ) 24.186 °C 1 Mark Final Temperature (Tf ) 25.726 °C 1 Mark ΔT Click or tap here to enter text. °C 1 Mark The reaction studied in part 2 of this laboratory shows an example of...

  • Based on the thermochemical equation 2 C4H10 + 13 O2 → 8 CO2 + 10 H2O...

    Based on the thermochemical equation 2 C4H10 + 13 O2 → 8 CO2 + 10 H2O ΔH = -5316 kJ, if (5.81x10^1) g of C4H10 (MM = 58.14 g/mol) reacted with excess oxygen, how many kJ of heat would be released? NOTE: The word "released" means that NO NEGATIVE SIGN IS NEEDED in your answer. Enter your answer in scientific notation with 3 sig figs. Do not include any units in your answer. Do not round any intermediate calculations. PLEASE...

  • Applying Hess’s Law, from the enthalpies of reactions, 2NaCl(s) + H2O(l) --> 2HCl(g) + Na2O(s) ΔH...

    Applying Hess’s Law, from the enthalpies of reactions, 2NaCl(s) + H2O(l) --> 2HCl(g) + Na2O(s) ΔH = + 507.31 kJ NO(g) + NO2(g) + Na2O(s) --> 2NaNO2(s) ΔH = − 427.14 kJ NO(g) + NO2(g) --> N2O(g) + O2(g) ΔH = − 42.68 kJ 2HNO2(l) --> N2O(g) + O2(g) + H2O(l) ΔH = + 34.35 kJ Calculate the enthalpy change (ΔHrxn) for the reaction: HCl(g) + NaNO2(s) --> HNO2(l) + NaCl(s) (You should show work to get credit) 5-Magnesium burns...

  • (2) (24 pts) A fuel cell produces electricity via a combustion reaction. A DMFC is a...

    (2) (24 pts) A fuel cell produces electricity via a combustion reaction. A DMFC is a proton-exchange fuel cell that uses methanol CH3OH) as the fuel, which reacts with molecular oxygen to produce carbon dioxide and water. (a) (4 pts) Write the balanced combustion reaction for this methanol fuel cell. (b) (4 pts) Write the balanced half-reactions occurring at the cathode and anode of this fuel cell (assume standard acidic conditions) (e) (4 pts) Evaluate AGº (kJ) and AE° (V)...

  • 1.  How much heat is needed to raise the temperature of 1.50 g of aluminum metal from...

    1.  How much heat is needed to raise the temperature of 1.50 g of aluminum metal from 23.2 °C to                 30.5 °C?  (Specific heat capacity of aluminum is 0.90 J/g-K). 2.  Given the following thermochemical equation:          DH = -1107 kJ               How many kJ of heat are released when 15.75 g of Ba(s) reacts completely with oxygen to    form BaO(s)?                 3.            Mothballs are composed primarily of the hydrocarbon naphthalene (C10H8). When 1.25 g    naphthalene is burned in a bomb calorimeter, the temperature rises from 25.25...

  • 2C +02 2Pb + O2 → 2CO) → 2P50) Eqs. 7.1 reactants products CH, + 2O...

    2C +02 2Pb + O2 → 2CO) → 2P50) Eqs. 7.1 reactants products CH, + 2O + co, + 2H2O methane oxygen water C: carbon dioxide C: H: 2 x 2 O: 2 + 2 H: 4 4 1 = 4 = 4 O: 2 x 2 = Figure 7.4. A balanced chemical reaction with stoichiometric conventions noted. Question 7.4. Balance the following chemical reactions: a) CH4 +_2_02 _CO2 + 2 H20 b) CH-OH + 02 → CO2 + H2O...

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT
Active Questions
ADVERTISEMENT