Glucose, C6H12O6, is converted into ethyl alcohol, C2H5OH(l) in the fermentation of fruit juice to produce wine. C6H12O6  2 C2H5OH(l) + 2CO2     , ∆H = -67.0 kJ What quantity of heat is liberated when a liter of wine containing 95 grams of ethyl alcohol is produced?

Q: 8. It takes 164.7 joules of energy to raise the temperature of 138.6g of a substance from 20.0°C to…

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Q: A 35.6 g sample of ethanol (C2H5OH) was combusted in a bomb calorimeter. If the temperature rose…

A: Since bomb calorimeters are constant volume calorimeters hence the heat released in the reaction…

Q: A 2.37 g sample of a substance suspected of being pure gold is warmed to 72.5 ∘C and submerged into…

A: Heat gained by water =mwatercwater∆T=15.2 g×4.184 J/gC0×(27.0-24.5)C0=158.9 J

Q: 19. One reaction of iron with hydrochloric acid is represented by the following thermochemical…

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Q: Acetylene, C2H2, is used in welding torches. It releases a lot of energy when burned in oxygen. One…

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Q: A 9. 55 – g sample of a piece of diamond at 185°C was placed in a container containing water at 87.0…

A: Given : Mass of diamond = 9.55 g Initial temperature of diamond = 185 oC Final temperature of…

Q: A sample of bismuth undergoes a temperature change of +77.24 °C while absorbing 754.5 joules of…

A: Specific heat capacity is amount of heat needed to increase the temperature of one gram of substance…

Q: A 5.6 g sample of ethanol (C2H5OH)was combusted in a bomb calorimeter. If the temperature rose from…

A: Enthalpy of combustion: The amount of energy released when one mole of a combustible substance is…

Q: How much energy is absorbed by a 2.5 g substance that has a specific heat capacity of 0.58 J/g ·°C…

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Q: A 434.5 g sample of water at 20.0 °C is mixed with 100.0 g of a certain metal at 95.0 °C. After…

A: to find Cp for this metal use this above ,Heat lost by the metal = heat gained by the water Given…

Q: In an experiment, 138 g of graphite is heated to 90.0°C and then quickly transferred to 150.0 g of…

A: Once the graphite is transferred to the water the energy will release from graphite and it will…

Q: A researcher studying the nutritional value of a new candy places a 5.80 g5.80 g sample of the candy…

A: The temperature change is 2.66°C or 2.66K The heat energy corresponds to the burning of 5.80g of…

Q: A 35.6 g sample of an organic compound (molar mass 46.07 g/mol) was combusted in a bomb calorimeter.…

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Q: Glucose, C6H12O6, is converted into ethyl alcohol, C2H5OH in the fermentation of fruit juice to…

A: The chemical equation for conversion of glucose to ethyl alcohol.C6H12O6 (s) → 2 C2H5OH (l) + 2 CO2…

Q: A researcher studying the nutritional value of a new candy places a 3.70 g3.70 g sample of the candy…

A: Conversion of heat capacity to joules per Kelvin: 30.70 kJ/K × 1000 J/kJ = 30700 J/K Conversion of…

Q: A bag filled with lead shots is dropped from a height of h = 33.0 m. The total mass of the bag is m…

A: According to the law of conservation of energy, the total energy for a given isolated system remains…

Q: When 2348 J of heat energy is added to 48.6 g of ethanol, C2H6O, the temperature increases by 19.7…

A: Molar heat capacity ( Cm ) :-  Cm = { q / n ∆T }  q is heat absorbed = 2348 J  Given mass = 48.6 g…

Q: Ethanol, C2H5OH, is mixed with gasoline and sold as gasohol. Use the following to calculate the…

A: Use the balanced chemical equation to deduce the relation between the amount of ethanol and the heat…

Q: 2. Calcium oxide can be reacted with pure carbon to produce calcium carbide, which is an explosive…

A: The balanced reaction taking place is given as, => CaO + 3 C ---------> CaC2 + CO…

Q: A 109.9 g sample of beryllium experiences a temperature change of -71.48 °C while releasing 1. 242…

A: Note: As per the guidelines solution of first questions has been made. For the expert solution of…

Q: A researcher studying the nutritional value of a new candy places a 5.10 g5.10 g sample of the candy…

A: A calorimeter is analytical instruments used for the measurement of the amount of heat present in a…

Q: A 2.62E1 g sample of aluminum at 1.008E2 °C is added to 1.002E2 g of water at 2.22E1 °C in a…

A: For a chemical reaction or physical process to occur a certain amount of energy should be furnished…

Q: A researcher studying the nutritional value of a new candy places a 5.60 g sample of the candy…

A: This problem can be solved by using the formula :                                     q=mc∆Twhere q…

Q: A 35.6 g sample of an organic compound (molar mass 46.07 g/mol) was combusted in a bomb calorimeter.…

A: Enthalpy of reaction Enthalpy is the heat content of a reaction. During a reaction enthalpy changes.…

Q: A bag filled with lead shots is dropped from a height of h = 22.9 m. The total mass of the bag is m…

A: Given,Height, h = 22.9 mMass, m = 620.0 gSpecific heat, c = 130 J/kgKWe know that, 1 J = 1 kg m2/s2⸫…

Q: A 140.0-g sample of water at 25.0°C is mixed with 101.1 g of a certain metal at 100.0°C. After…

A: Specific heat capacity of an element or a compound is equal to the amount of heat released or…

Q: A 140.0-g sample of water at 25.0°C is mixed with 129.8 g of a certain metal at 100.0°C. After…

A: The hot metal will release the heat and that is taken by water and gets the equilibrium temperature.

Q: You see a gold ring in a flea market that you’d like to have, and the price seems right, so you buy…

A: Given data, Mass of ring (m) = 6 g  Initial temperature (Ti) = 25 °C Final temperature (Tf) = 75 °C…

Q: When 1428 J1428 J of heat energy is added to 37.8 g37.8 g of hexane, C6H14,C6H14, the temperature…

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Q: Calculate the amount of heat absorbed (in Joules) by a substance when the temperature changes from…

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Q: 1. The complete combustion of ethanol, C2H50H (1) to form H20(g) and CO2 (g) at constant pressure…

A: 1 mole of ethanol reacts with 3 moles of oxygen gas(complete combustion) and yields 2 moles of…

Q: A researcher studying the nutritional value of a new candy places a 5.00 g5.00 g sample of the candy…

A: Given: Temperature change = 2.95 ∘C = 2.95 K heat capacity of the calorimeter = 29.70 kJ⋅K−1 mass of…

Q: A 75.1g piece of an unknown metal is heated up 45.2 degree c when given 2945 j of heat what is the…

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Q: A researcher studying the nutritional value of a new candy places a 5.30 g sample of the candy…

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Q: In the presence of some metals, ethylene and hydrogen gas react to form ethane according to the…

A: In question it is given that ΔH = -136.98KJ That means that when 1 mole of C2H4 reacts it will…

Q: A 0.022 pounds of water requires 41.8 J to have its temperature raised by 1.5°C. What is the…

A: Given,  Mass of water in pounds = 0.022 pounds  Amount of heat required = 41.8 J  Increase in…

Q: A 395.7 g sample of water at 20.0 °C is mixed with 100.0 g of a certain metal at 95.0 °C. After…

A: Specific heat capacity is the amount of heat that is required to rise a temperature of 1 kg…

Q: A researcher studying the nutritional value of a new candy places a 3.40 g sample of the candy…

A:

Q: Assume

A: Given: Fluid = Water m =  180 g T1 = 30 deg C T2 = 97 deg C Cp = 4.184 J/g-deg C

Q: 81. The specific heat capacity of iron is 0.461 J[g x K) and the specific heat capacity of titanium…

A: Given: Specific Heat capacity of iron= 0.461 J/gK Specific Heat capacity of titanium=0.544 J/gK A…

Q: Limestone, CaCO3, when subjected to a temperature of 900°C in a kiln, decomposes to calcium oxide…

A: The decomposition reaction of limestone CaCO3 is as follows:   CaCO3(s) → CaO(s) + CO2(g) The…

Q: A researcher studying the nutritional value of a new candy places a 5.60 g5.60 g sample of the candy…

A:

Q: Iron has a molar heat capacity of 25.1 J/mol oC. What is the change in heat (q) if a 20.0g piece of…

A: molar heat capacity of iron=25.1 J/mol °c Mass of iron = m = 20.0 g Temperature change (∆T) = 80 °c…

Q: 72 CH +2 0za) - CO+ 2 H;0 C,H20n + 14 Ozn 9 CO + 10 H,0n C,H12n + 8 Ozun - S COnp + 6 H;0 CHsn + 11…

A: The energy given out by alkanes per mole increases as the molecular weight increases. So, the…

Q: A 2.72 g sample of a substance suspected of being pure gold is warmed to 72.1 ∘C and submerged into…

A: When hot metal is placed in water at low temperature, then water gains heat energy and the metal…

Q: 5. A piece of copper metal of mass 6.5 kg is heated from 20.5ºC to 324.3°C. Calculate the heat…

A: The amount of heat absorbed by the piece of metal can be calculated as follows:

Q: A 0.022 pounds of water requires 0.0418 KJ to have its temperature raised by 1.6°C. What is the…

A:

Q: A researcher studying the nutritional value of a new candy places a 4.90 g4.90 g sample of the candy…

A:

Q: In an experiment, 138 g of graphite is heated to 90.0°C and then quickly transferred to 150.0 g of…

A: Since whatever heat is lost by graphite, is used by the water and calorimeter. Hence heat lost by…

Q: Nitroglycerine combustion takes place in a bomb calorimeter that is insulated by 731.8 grams of…

A: Each chemical reaction is associated with a certain amount of energy. When the heat is liberated…