In winemaking, microorganisms break down the sugar in grapes into ethanol (grain alcohol) and carbon dioxide. The balanced equation for this reaction is C6H12O62 C₂H6O +2 CO2 + 16.6 kcal a Given that 100 mL of wine contains 9.3 g of ethanol (C₂H6O), how much heat was produced as this ethanol was being formed? (Enter your answer to two significant figures.) Heat = kcal b How many grams of sugar must be broken down to produce 14.5 kcal of heat? (Enter your answer to three significant figures.) Mass= 9

In winemaking, microorganisms break down the sugar in grapes into ethanol (grain alcohol) and carbon dioxide. The balanced equation for this reaction is C6H12O62 C₂H6O +2 CO2 + 16.6 kcal a Given that 100 mL of wine contains 9.3 g of ethanol (C₂H6O), how much heat was produced as this ethanol was being formed? (Enter your answer to two significant figures.) Heat = kcal b How many grams of sugar must be broken down to produce 14.5 kcal of heat? (Enter your answer to three significant figures.) Mass= 9

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

See similar textbooks

Related questions

Q: A 6.61g sample of an unknown salt (MM=116.82g//mol) is dissolved in 150.00g water in a coffee cup…

A: Answer:Amount of heat released or absorbed during the dissolution of 1 mole of a compound is called…

Q: A 6.57 g sample of an unknown salt (MM = 116.82 g/mol) is dissolved in 150.00 g water in a coffee…

Q: A student wishes to determine the heat capacity of a coffee-cup calorimeter. After mixing 125 g of…

A: Answer:- This question is answered by using the simple concept of calorimetry which states that heat…

Q: Charcoal is primarily carbon. What mass of CO2 is produced if you burn enough carbon (in the form of…

A: According to the given reaction, 393.5 kJ of heat is produced on the formation of one mole of carbon…

Q: A 7.37 g sample of an unknown salt (MM = 116.82 g/mol) is dissolved in 150.00 g water in a coffee…

Q: A 4.79 g sample of an unknown salt (MM = 116.82 g/mol) is dissolved in 150.00 g water in a coffee…

A: Calorimetry is the easiest way to calculate the amount of heat transfer to a substance or from a…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 1.65 kg sample…

Q: In the following reaction, how much heat is generated when 3.21 moles of CH4 are burned? CH4 (g) + 2…

A: CH4g+2O2g→ CO2g+2H2Og △ H = 802KJmolAs 1 mole of CH4 heat released =…

Q: A 1753 kg1753 kg car is traveling down the road at 82.2 km/h.82.2 km/h. While traveling at this rate…

Q: Which of the following is true about an exothermic reaction? O The number of moles of products is…

A: ''In exothermic reaction, heat is released" therefore heat of reaction is negative

Q: Propane (C3H8 readily undergoes combustion. When 1.00 kg of propane is burned, how much heat is…

A: Combustion of propane can be represented as C3H8 (g) + O2 (g) ---------> 3 CO2 (g) +4 H2O (l)…

Q: A student heats 84.17 mL of water to 95.27°C using a hot plate. The heated water is added to a…

A: Heat capacity : heat capacity, ratio of heat absorbed by a material to the temperature change. It is…

Q: 4.33g sample of an unknown salt (MM=116.83g/mol) is dissolved in 150.00g water coffee cup…

Q: During photosynthesis, plants use energy from sunlight to form glucose and oxygen from carbon…

A: 1- In this question, we want to calculate the mass of CO2 in grams unit. You can see whole…

Q: If the heat of combustion for a specific compound is −1370.0 kJ/mol and its molar mass is 47.85…

A: Given, Heat of combustion for specific compound , Q= -1370 kJmol Molar mass, M = 47.85 gmol Required…

Q: A student performs a calorimetry experiment. The student combines 100. g of 0.40 M HC1(aq) with 100.…

A: Heat absorbed by the particular species = mass × heat capacity × temperature change

Q: lacmillan Learning Carbohydrates serve as a vital source of chemical energy to the human body.…

A: 1 KJ = 0.239 Kcal So 119 KJ = 119 X 0.239 Kcal = 28.44 Kcal

Q: Hydrocarbons, compounds containing only carbon and hydrogen, are important in fuels. The heat of…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 196.0 g sample…

Q: 3. A 1.25-g sample of ammonium nitrate dissolves in water to make 35.0 mL of solution in an…

A: Given, Mass of NH4NO3 = 1.25 g Volume of the solution = 35.0 mL Initial temperature= Ti = 24.6 0C…

Q: 1621 kg car is traveling down the road at 89.4 km/h. While traveling at this rate of speed, what is…

A: The question is based on the concept of kinetic energy. the amount of energy possessed by a molecule…

Q: When (3.4100x10^2) Joules of heat are added to a sample, the temperature increases from…

Q: A coffee cup calorimeter, including that water it contains, has a heat capacity of 425 J/K, and is…

Q: How much heat is released when a mixture containing 10.00 g NH3 and 20.00 g O₂ reacts according to…

Q: A chunk of metal having a mass of 49.7g was warmed to 95.5°C and then dropped into a calorimeter…

A: Mass of metal = 49.7g Mass of water = 45.3g Heat capacity for water = 4.18J/g°C Final temperature =…

Q: A student heats 68.15 grams of silver to 98.73 °C and then drops it into a cup containing 78.21…

A: All the information is given in question Mass of silver and temperature Mas software water and…

Q: A 4.35 g sample of an unknown salt (MM = 116.82 g/mol) is dissolved in 150.00 g water in a coffee…

A: The heat released or absorbed (q) when the temperature of any substance is raised is calculated as:…

Q: 5) A 120.0-g piece of metal at 60.0 °C is placed in 150 g of water at 19.0 °C contained in a…

A: Calculating the heat released or absorbed for the process: ......(1) In a system, the…

Q: If reacting 3.08 g of chlorine monoxide (ClO), a highly reactive radical, with an excess of ozone…

A: Chlorine oxide reacts with ozone to form chlorine radical and oxygen gas. The equation for the…

Q: A 4.81 g sample of an unknown salt (MM = 116.82 g/mol) is dissolved in 150.00 g water in a coffee…

A: Given, Mass of unknown sample ,ms=4.81 g mass of water, mw= 150 g initial temperature Ti=23.72°C…

Q: 4. Given the balanced equation representing a reaction: 2 Na(s) + Cl, (g) – 2 NaCI(s) + energy If 46…

Question

In winemaking, microorganisms break down the sugar in grapes into ethanol (grain alcohol) and carbon dioxide. The balanced equation for
this reaction is
C6H12O62 C₂H8O+2 CO2 + 16.6 kcal
a Given that 100 mL of wine contains 9.3 g of ethanol (C₂H6O), how much heat was produced as this ethanol was being formed?
(Enter your answer to two significant figures.)
kcal
Heat =
b How many grams of sugar must be broken down to produce 14.5 kcal of heat?
(Enter your answer to three significant figures.)
Mass=
g

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

Step 2

Step 3

Step 4

Trending now

This is a popular solution!

Step by step

Solved in 4 steps with 1 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.

Similar questions

Hydrogen sulfide, H2 S, is produced during decomposition of organic matter. When 0.4300 mol H2S burns to produce SO2 (g) and H20(g), -222.7 kJ of heat is released. What is this heat in kilocalories? Heat kcal
152 A 352.44 155 T 362.31 153 G 355.67 156 X 365.88 Consider the following reaction: + 2 XD → AD2 + 2 GX = -487.4 kJ 154 D 359.12 157 Z 369.52 AG₂ ΔΗ rxn You measure that -863.2 kJ of heat are released. Calculate the number of grams of XD that have been reacted in excess AG2 based on the measured heat released.
In the following equation for a chemical reaction, the notation (s), (1), or (g) indicates whether the substance indicated is in the solid, liquid, or gaseous state. CH4(g) + H,0(g) + energy → 3H2(g) + CO(g) Identify each of the following as a product or a reactant: H,O(g) H,(g) CHĄ(g) CO(g) When the reaction takes place energy is The reaction is
A 6.55 g sample of an unknown salt (MM = 116.82 g/mol) is dissolved in 150.00 g water in a coffee cup calorimeter. Before placing the sample in the water, the temperature of the salt and water is 23.72°C. After the salt has completely dissolved, the temperature of the solution is 28.54°C. What is the total mass inside the calorimeter in grams?
A 1401 kg1401 kg car is traveling down the road at 85.8 km/h.85.8 km/h. While traveling at this rate of speed, what is the kinetic energy of this vehicle in kilojoules?
[References] Use the References to access important values if needed for this question. When HBr(g) reacts with Cl₂(g) according to the following reaction, 9.902 kcal of energy are evolved for each mole of HBr(g) that reacts. Complete the following thermochemical equation. 2 HBr(g) + Cl₂(g) → 2 HCI(g) + Br₂(g) AH = kcal
A student mixes 67.0 mL of a 2.01 M sodium hydroxide solution with 22.4 mL of 6.45 M hydrochloric acid. The temperature of the mixture rises 17.2 ° C. The density of the resulting solution is 1.00 g mL and has a specific heat capacity of 4.184 J g · ° C . The heat capacity of the calorimeter is 16.97 J ° C . Part 1: (a) Identify the limiting reagent for the reaction. Part 2: (b) Calculate the heat of reaction (in J). qrxn = × 10 JEnter your answer in scientific notation. Part 3 out of 3 (c) Find the enthalpy of neutralization (in kJ/mol). ΔHneutralization = ____ kj/mol
What is the heat change when 14.9 g of NH3 reacts with excess O2 according to the following equation? 4NH3 + 5O2 → 4NO + 6H2O ΔH =+ 1170kJ. Is this Endothermic or Exothermic?
A 8.27 g sample of an unknown salt (MM = 116.82 g/mol) is dissolved in 150.00 g water in a coffee cup calorimeter. Before placing the sample in the water, the temperature of the salt and water is 23.72°C. After the salt has completely dissolved, the temperature of the solution is 28.54°C. If -3.19 x 103 J of heat was lost during the dissolution reaction of 0.0708 moles of the unknown salt, what is the enthalpy change (in kJ/mol of salt) for the dissolution reaction?
A 6.61g sample of an unknown salt (MM=116.82g//mol) is dissolved in 150.00g water in a coffee cup calorimeter. Before placing the sample in the water, the temperature of the salt and water is 23.72 C. After the salt has completely dissolved, the temperature of the solution is 28.54 C. Given that 156.61 g of solution increased in temperature by 4.82 °C, what quantity of heat, in J, was gained by the solution? Assume the specific heat of the solution is the same as water, 4.184 J/g• °C.
A calorimeter is calibrated to have a heat capacity of 441.2 J/°c. 0.143 g of substance X is burned in the calorimeter and raises its temperature from 23.1 °c to 39.5°c. What is the heat of combustion of substance X in J/g?
Which equation is correct for the formation reaction of nitric acid, HNO3? A) N₂(g) + H₂(g) + 30₂(g) → 2HNO3(aq) ΔΗ = 174 kJ B) N₂(g) + H₂(g) + 30₂(g) → 2HNO3(0) AH = -174 kJ C) NH3(g) + N₂(g) + 30₂(g) → 3HNO3(aq) D) 1/2N₂(g) + 1/2H₂(g) + 3/20₂(g) → HNO3(/) 1 E) N₂(g) + H₂(g) + O₂(g) → HNO3(/) ΔΗ = 174 kJ ΔΗ = -174 kJ ΔΗ = -174 kJ