The standard enthalpy of formation for one mole of methanol (CH₃OH) is -239 kJ. What is this value in kcal (1 cal = 4.18 J)?

Q: What is the specific heat (J/g∙°C) of a metal object whose temperature increases by 3.0°C when 17.5…

A: The specific heat capacity (c) in J/goC is calculated as shown below where Q, m, and ΔT are the…

Q: Perform the conversions between energy units. 411 kJ = 2885 kcal = kJ 6.49 x 106 J = kcal

A: Energy unit conversations.

Q: Convert between energy units. a. 231 cal to kJ b. 132 x 10* kJ to kcal d. 2.88 x 10* J to Cal c.…

A: Convert between energy units. (a) 231 cal to kj (b) 132 × 104 kj to kcal (c) 4.99 × 103 kj to kWh…

Q: CAI = 0.22 kcal/kg°C A 0.60 kg length of aluminum wire is warmed by 22.3°C by an electric current.…

A: Heat is a form of energy  Which is given by  q° mc∆T  Where m= mass  C = specific heat  T=…

Q: Since the water absorbs 127 J of heat, this means the unknown metal released 127 J of heat. Based on…

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Q: A 0.37 g Cheeto is burned and the heat produced is used to heat 50 grams of water from 22.1 degrees…

A: Mass of Cheeto=0.37 g Mass of water=50 g Initial temperature =22.1°C  Final temperature=34.4°C…

Q: Perform the conversions between energy units. J 558 kJ = kJ 2565 kcal = kcal 8.63 x 106 J =

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Q: Perform the conversions between energy units. 6.00×102 kJ=__________ J 2585 kcal= ____________ kJ…

A: According to the unit conversion, 1 kJ is equal to 1000 J. Thus, the conversion into J is shown…

Q: How many calories are in 6901 J ?

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Q: Combustion reactions are exothernic. The heat of reaction for the combustion of cyclohexane, CH2, is…

A: Heat of reaction for combustion of cyclohexane C6H12= 936.8 Kcalmol

Q: 24.0 g of metal at 78.3°C is cooled to 12.4°C and produces 194 J of heat. What is the specific heat…

A: Mass of substance M = 24.0 g  Initial temperature = 78.3 °C  Final temperature = 12.4°C  Heat…

Q: How many calories are in 8771 kJ ? (1 cal = 4.18 J)

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Q: 1. How much heat is needed to raise the temperature of 1000 g of metal from 0°C to 10°C if the…

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Q: 9.69 x 10^6 J = ? Kcal

A: Given :-  energy = 9.69 x 106 J  To convert :-  The above energy in Kcal

Q: A 1555 kg car is traveling down the road at 95.4 km/h. While traveling at this rate of speed, what…

A: Given  Mass of Car( m )  = 1555 Kg             Speed( v)  =  95.4 km/h  Kinetic Energy of Vehicle =…

Q: Assuming the density of the wine to be 1.0 g/mL, what is the caloric content due to the alcohol…

A: Given: The heat of combustion of ethanol=-1367 kJ/mol The wine contains, by mass 12.1% ethanol The…

Q: 1. How many calories of heat (energy) would it take to heat 21.0 g of water from 31.0 °C to 57.0 °C?…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: how many calories correspond to 28.4 J?

A: Concept introduction- Joule and Calorie both are units of energy. Energy can be converted into heat.…

Q: The quantity 26.0 kJ is equal to how many calories?

A: We have energy as 26.0 KJ . We have to convert it to Calorie .

Q: How much heat in kcal must be added to 0.47 kg of water at room temperature (20°C) to raise its…

A: Specific heat :- The amount of heat required to rise the temperature of 1 gram or 1 kg of a…

Q: If calorie raises the temperature of 1ml of water by 1ºC, how many calories are needed to raise the…

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Q: N2 (g) + 3 H2 (g) 2 2 NH3 (g) + 100 KJ

A: Le Chatelier principal explained the effect of concentration, temperature and pressure on…

Q: How much heat, in joules and in calories, must be added to a 75.0–g iron block with a specific heat…

A: Heat is the transfer of energy due to the difference in temperature.

Q: A 1445 kg car is traveling down the road at 96.6 km/h. While traveling at this rate of speed, what…

A: Given : Mass of car = 1445 kg Speed of car = 96.6 km/hr  To calculate :- Kinetic energy (in kJ)

Q: The heat of reaction for the combustion of hexane, C6H14, is 995.0 kcal/mol. What is the heat of…

A: The heat change in a particular reaction is known as enthalpy change (∆H). The endothermic reactions…

Q: Suppose that 3,248 J of heat is removed from 86.5 grams of octane at an initial temperature of…

A: Since the heat of any process at constant pressure is given by  Q = mCΔT  where Q = heat given =…

Q: The Joule (J) is the SI unit of energy. 1 calorie (cal) = 4.184 J; 1 Calorie (Cal) = 1000 cal = 1…

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Q: If the monthly electricity consumption of a household is 6,619 kWh, what is this consumption…

A: 1 kWh = 3600 kJ

Q: If the specific heat of iron is 0.449 J g ° C , how much iron is in your sample if 925 J were…

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Q: 3. To the cooled anhydrate, CuSO4, of Part I, a student added about 5 mL of distilled water and then…

A: we are discuss whether the rehydration of copper(II) sulphate exothermic or exothermic process.

Q: How much energy (in Calories, ie. kcal) was produced by burning the Goldfish?  (Specific Heat of…

A: Mass of water = 100.116 g Change in temp. = 5.1°C = 5.1 K Specific Heat Capacity of water = 4.184…

Q: NaOH (5) + HCI (g) → NaCI (s) + H;0 (g) Exothermic or endothermic

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Q: is 2 NO2(g)   → N2O4(g) + 19 kcal a exothermic or endothermic

A: In simple words,  Endothermic reaction - when heat is absorbed , the reaction is endothermic.…

Q: A car whose mass is 5.30 x 10° lb is traveling at a speed of 53 miles per hour. What is the kinetic…

A: Given that : Mass of the car = 5.30 x 103 lbs Speed of the car = 53 miles/hr

Q: 889 kj to j

A: In the given question we have to convert the following energy value from Kilojoule (kJ) to joule…

Q: A list of the calorie content of foods indicates that a cup of frozen strawberries contains 224…

A: Change 224 calory to Joule and KJ

Q: How much heat, in joules, must be added to a 95.8 g iron block with a specific heat of 0.509 J/g °C…

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Q: A list of the calorie content of foods indicates that an enchilada contains 230. Calories. Express…

A: A list of the calorie content of foods indicates that an enchilada contains 230. Calories. We have…

Q: An iron can weighing 50 grams absorbs 256.0 J of heat and warms by 11.4°C. What is the specific heat…

A: The given data contains, mass =50 g which absorbs 256 J. Temperature change =11.4°C

Q: The specific heat of an unknown metal is calculated to be 3.74J/g*c. What is the mass of the sample…

A: Specific heat :-  The amount of heat required to rise the temperature of one gram of a substance…

Q: what is the unit, including its prefix, for 10^-6 of the derived unit for energy?

A: The ability to do work is called energy.

Q: The heat of reaction for the combustion of pentane, C5H12, is 838.7 kcal/mol. What is the heat of…

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Q: The specific heats of Al, Cu, and Fe are 0.900 J/g° C, 0.385 J/g°C, and 0.444 J/

A: The amount of heat required to increase the temperature of one kilo gram of a substance by one…

Q: The specific energy and density of gasoline is -47.3 MJ/kg and 716 kg/m3, respectively. What is its…

A: Specific energy: It is the energy required for one unit of mass. Energy density: The amount of…

Q: Perform the conversions between energy units. 633 kJ = 2325 kcal %3D kJ 9.01 x 10 J = kcal

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Q: convert 23.4 kj to calories

A: Given, energy =23.4 kJand we are asked to convert this energy in calories.

Q: CO(g) +2 H2(g) CH3OH(1) AH° =-128.1 kJ

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Q: When 26.6 g of potassium chloride dissolves in 300.0g of water, the temperature drops from 26.1…

A: Chemical equation for solid potassium chloride dissociating into ions when it dissolves in water is…

Q: A 92.9-g piece of a metal is heated to 178.0 ºC, and then cooled to 29.7 °C by removing 14052.6 J of…

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