Calculate the standard enthalpy change for the fermentation
process, in which glucose
(C6H12O6) is converted into
ethanol (C2H5OH) and carbon dioxide
(CO2).
Substance |
Enthalpy of Formation,
Δ H
|
||||
CO2 (g) | −393.5 kJ/mol | ||||
CO2 (aq) | −412.9 kJ/mol | ||||
C2H5OH (l) | −276.98 kJ/mol | ||||
C6H12O6 (s) | −1,274.5 kJ/mol | ||||
H2O (g) | −241.8 kJ/mol | ||||
H2O (l) | −285.8 kJ/mol | ||||
O2 (g) | 0 kJ/mol |
Calculate the standard enthalpy change for the fermentation process, in which glucose (C6H12O6) is converted into...
Calculate the standard enthalpy change for the fermentation process, in which glucose (C6H12O6) is converted into ethanol (C2H5OH) and carbon dioxide (CO2). Substance Enthalpy of Formation, CO2 (g) −393.5 kJ/mol CO2 (aq) −412.9 kJ/mol C2H5OH (l) −276.98 kJ/mol C6H12O6 (s) −1,274.5 kJ/mol H2O (g) −241.8 kJ/mol H2O (l) −285.8 kJ/mol O2 (g) 0 kJ/mol ______kJ/mol
Fermentation is the process of making wine by converting glucose (C6H12O6) into Ethanol(C2H5OH) and carbon dioxide (CO2). How many grams of carbon dioxide would be formed from 26 grams of glucose?
Fermentation is a complex chemical process of wine making in which glucose is converted into ethanol and carbon dioxide: C6H12O6 → 2C2H5OH + 2CO2 glucose ethanol Starting with 663.6 g of glucose, what is the maximum amount of ethanol in grams and in liters that can be obtained by this process (density of ethanol = 0.789 g/mL)? G: L:
Calculate the mass of glucose metabolized by a 79.9 kg person in climbing a mountain with an elevation gain of 1850 m. Assume that the work performed in the climb is four times that required to simply lift 79.9 kg by 1850 m. Express your answer to three significant figures and include the appropriate units. View Available Hint(s) μΑ ? Value ban Submit Previous Answers The metabolism of glucose, C6H12O6, yields carbon dioxide, CO2(g), and water, H2O(1), as products. Energy...
1. Calculate the standard enthalpy of combustion for the following reaction: C6H12O6 (s) + 6 O2 (g) ---> 6 CO2 (g) + 6 H2O (l) To solve this problem, we must know the following ΔH°f values: C6H12O6 (s) -1275.0 O2 (g) zero CO2 (g) -393.5 H2O (l) -285.8 5. 2. Using the reaction and ΔH from #1, calculate how many liters of oxygen gas will be used to produce 11,000 kJ of energy at 745 mmHg and 90°C.
Answer the following questions about the fermentation of glucose (C6H12O6 , molar mass 180.2 g/mol) to ethanol (C2H6O) and CO2. C6H12O6(s) → 2 C2H6O(l) + 2 CO2(g) Δ H = −16 kcal/mol glucose ethanol How many kilocalories of energy are released from 54.0 g of glucose?
The following table lists some enthalpy of formation values for selected substances. Substance ΔfH∘ΔfH∘ (kJ mol−1)(kJ mol−1) CO2(g)CO2(g) −393.5−393.5 Ca(OH)2(s)Ca(OH)2(s) −986.1−986.1 H2O(l)H2O(l) −285.8−285.8 CaCO3(s)CaCO3(s) −1207−1207 H2O(g)H2O(g) −241.8−241.8 Part A: Determine the enthalpy for this reaction: Ca(OH)2(s)+CO2(g)→CaCO3(s)+H2O(l) C a ( O H ) 2 ( s ) + C O 2 ( g ) → C a C O 3 ( s ) + H 2 O ( l ) Express your answer in kJ mol−1 k J m o l...
Hi! Can someone solve this and explain it? 4. (10 pts) With time, urine starts to smell bad because of the following reaction: CO(NH2)2(aq) + H2O(l) → CO2(g) + NH3(aq) AH = ? a) Use the heats of formation in the table below to calculate AH for the reaction above Substance AH®, kJ mol' CO(NH2)2(aq) -319.2 CO2(aq) -412.9 CO2(g) -393.5 H2O(g) -241.8 H2O(1) -285.8 NH(aq) -80.3 NH3(g) b) Is the reaction exothermic or endothermic?
Use the following data to calculate the standard enthalpy of formation of heptane, C7H16 (l). C7H16 (l) + 11 O2 (g → 7 CO2 (g) + 8 H2O (l) ΔH° = -4817 kJ/mol ΔHf° of CO2 (g) = -393.5 kJ/mol ΔHf° of H2O (l) = -285.8 kJ/mol A)-218.2 kJ/mol B)-468.1 kJ/mol C)-223.9 kJ/mol D)-447.8 kJ/mol E)-111.5 kJ/mol
To make beer, yeast converts glucose (C6H12O6) into ethanol (� = 0.789 g/mL) in a process called fermentation. The unbalanced reaction is written here: _____C6H12O6 (aq) → _____C2H5OH (l) + _____CO2 (g) If 200.0 g of glucose yields 100.0 mL of ethanol, what is the % yield for the reaction? Baking soda (NaHCO3) can be made by the following reaction: NaCl (aq) + NH3 (aq) + CO2 (aq) + H2O (l) → NaHCO3 (s) + NH4Cl (aq) If 7.77 g...