(a)
Interpretation:
The amount of ethanol formed from the
Concept Introduction:
The formula that will be used-
Or,
(b)
Interpretation:
The amount of
Concept Introduction:
The formula that will be used-
Or,
(c)
Interpretation:
The amount of glucose which is required to form the
Concept Introduction:
The formula that will be used-
Or,
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Chapter 5 Solutions
General, Organic, and Biological Chemistry - 4th edition
- Calculate the amount of carbon dioxide (in kg) emitted into the atmosphere by the complete combustion of a 15.0 gallon tank of gasoline. Do this by following these steps: Assume that gasoline is composed of octane (C8H18). Write a balanced equation for the combustion of octane. Determine the number of moles of octane contained in a 15.0 gallon tank of gasoline (1 gallon = 3.78 L). Octane has a density of 0.79 g/mL. Use the balanced equation to convert from moles of octane to moles of carbon dioxide, then convert to grams of carbon dioxide, and Finally to kg of carbon dioxide.arrow_forwardInsoluble AgCl(s) precipitates when solutions of AgNO3(aq) and NaCl(aq) are mixed. AgNO3(aq) + NaCl(aq) AgCl(s) + NaNO3(aq) rH = ? To measure the energy evolved in this reaction, 250. mL of 0.16 M AgNO3(aq) and 125 mL of 0.32 M NaCl(aq) are mixed in a coffee-cup calorimeter. The temperature of the mixture rises from 21.15 C to 22.90 C. Calculate the enthalpy change for the precipitation of AgCl(s), in kJ/mol. (Assume the density of the solution is 1.0 g/mL and its specific heat capacity is 4.2 J/g K.)arrow_forwardUse the References to access important values if needed for this question. Hydrocarbons, compounds containing only carbon and hydrogen, are important in fuels. The heat of combustion of cyclopentane, C5H10, is 786.6 kcal/mol. Write a balanced equation for the complete combustion of cyclopentane. How much energy is released during the complete combustion of 454 grams of cyclopentane ? kcalarrow_forward
- Combustion of 1g of gasoline releases 11.5 kcal of energy. How many kilojoules of energy are released by burning 79.007g of gasoline? 1 calorie= 4.1868arrow_forward12. One gram of fat gives off approximately 9.86 kilocalories of energy when metabolized. How many kilojoules is this ? 4.184 kilojoules = 1.000 kilocaloriesarrow_forward314,636.2 Joules is equal to how many calories? 75.2 kcal 75.2 cal 1316440.4 cal 1,316,440.4 kcalarrow_forward
- Question 15 of 16 *3 # E D C C Carbohydrates serve as a vital source of chemical energy to the human body. Carbohydrates are broken down into smaller units of glucose, among other sugars, providing energy to various muscles and organs, including the brain. On average, for every 10.0 g of carbohydrates consumed, the body will store 170 kJ of energy. Convert this energy value to kilocalories (kcal). 170 kJ = $ 4 R F M V 07 20 % 13 G Search or type URL T G ^ 6 B MacBook Pro Y H tv & 7 N U J 9 * 00 8 M + 1 I ( 9 K о V - . - I option { [ + 11 ? = | O kcal } 1arrow_forwardWhich diagram above represents a chemical reaction that releases energy (exothermic)? How do you know? Which diagram above represents a chemical reaction that absorbs energy (endothermic)? How do you know? What does the hump in the middle of each diagram represent?arrow_forwardare the products are the things that are mixed together to start a reaction?arrow_forward
- By the means of gas stoichiometry, how gasolines are created?arrow_forwardCombustion reactions are exothermic. The heat of reaction for the combustion of pentane, C5H12, is 838.7 kcal/mol. What is the heat of combustion for pentane in kcal/gram?kcal/gramHow much heat will be given off if molar quantities of pentane react according to the following equation?C5H12 + 8 O25 CO2 + 6 H2Oarrow_forward2. A patient receives 2.5 L of intravenous (IV) glucose solution. If the liquid contains 5.0 g glucose per 100.0 mL of solution, then calculate the number of kilocalories that the patient receives from the glucose solution. Note, the caloric value of glucose is 4 kcal/g.arrow_forward
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