CAI = 0.22 kcal/kg°C A 0.60 kg length of aluminum wire is warmed by 22.3°C by an electric current. How much heat was generated by the current? kcal

Q: 8.97 x 106 J = kcal Incorrect

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Q: ow much heat in kcal must be added to 0.79 kg of water at room temperature (20°C) to raise its…

A: We know that Q = m × c × ∆ T m = mass of water  = 0.79 kg c = specific heat of water = 1 K cal / kg…

Q: Combustion of 1 g of gasoline releases 11.5 kcal of energy. How many kilojoules of energy are…

A: The combustion energy of 1 g of gasoline is = 11.5 kcal The combustion energy of 74.453 g of…

Q: Consider these reactions: Reaction 1: H2 (g) + Cl2 (g) 2HC1(g) AH = -184.6 kJ Reaction 2: 20F2 (g)…

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

A: Combustion reaction is that reaction in which an organic compound is reacted with dioxygen in the…

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 kilocalories are required to produce 2.815 mol of aluminum? Here is the equation for…

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Q: Consider these reactions: Reaction 1: H2(g)+Cl2(g)⟶2HCl(g)ΔH=−184.6 kJ  Reaction 2:…

A: Given :  Reaction 1  H2(g)+Cl2(g)⟶2HCl(g)    ΔH=−184.6 kJ  To calculate :-  Amount of Cl2 has…

Q: A teaspoon of the carbohydrate sucrose (common sugar) contains 16 Calories (16 kcal). What is the…

A: Given: As interpreted by the question, we have been given a teaspoon of the carbohydrate sucrose…

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 food contains 131kcal, 24 grams of carbohydrates. What percentage of kcals are from carbohydrates

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Q: Ammonia (NH3) decomposes to hydrogen and nitrogen and 22.0 kcal/mol of energy is absorbed. 2 NH3(g)…

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

A:

Q: The specific heat of silicon is 700J/kg/°C, how much energy is needed to raise a 14g of silicon by…

A: 1) To find out the amount of heat required to raise the temperature of 14 g of silicon by 30°C, the…

Q: Write a balanced chemical equation for the standard formation reaction of liquid titanium(IV)…

A: -> Standard equation of formation is equation represents formation of one mole compound from its…

Q: The combustion of one mole of propane, C3H8, releases 531 kcal. How much heat is released by the…

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Q: 3295 kcal 13786.28 kJ 0.135 5.31 x 10 J kcal Incorrect

A: Given :-  3295 kcal  5.31 × 106 J  To convert :- 3295 kcal to kJ 5.31 × 106 J to kcal

Q: How many Joules are there in 54.0 kcal? (1 cal = 4.184 J)

A: One calories is equal to 4.184 joule.                1 kcal = 1000 cal.…

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

A: Hydrocarbons are compounds made up of hydrogen and carbon atoms.  From standard sources, we get the…

Q: Calculate ∆H°f, in kcal/mol for C₂H₂(g) from the reaction 2 C2H2(g) + 5 O2(g) > 4 CO2(g) + 2 H2O(g)…

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Q: In winemaking, microorganisms break down the sugar in grapes into ethanol (grain alcohol) and carbon…

A: The molar mass of ethanol = 46 g  2 moles of ethanol , which weights 92.16 g produces 16.6 kcal  of…

Q: Write a balanced chemical equation for the standard formation reaction of gaseous water (H₂O). 0 ローロ…

A: Answer:- This question is answered by using the simple concept of formation of a compound which…

Q: How much energy (in kJ) is released when 69.0 g of oxygen difluoride decompo Answer kl (enter a…

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

A: Given  Heat of Combustion of Cyclohexane  = Kcal/mole  Balance reaction for complete combustion of…

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: 7.62 x 10^6 J to kcal

A: We have to convert given quantity to kcal unit.

Q: Perform the conversions between energy units. 791 kJ=                                             J…

A:

Q: rogen sulfide, H2S, is produced during decomposition of organic matter. When 0.4190 mo H2S burns to…

A: Given, Heat released = -217.0 KJ

Q: Consider these reactions: Reaction 1: H2(g)+Cl2(g)⟶2HCl(g)ΔH=−184.6 kJ  Reaction 2:…

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

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Q: A neutral solution of water at a particular temperature has a concentration of OH of 9.0 x 10-7 M.…

A: Water molecule can act as acid as well as base. Hence it can give or take H+ ions. The auto…

Q: Classify each as exothermic or endothermic AND explain why.   N2O4(g) + 19 kcal →  2 NO2(g)…

A: Exothermic process:- The process which produces energy                                     that…

Q: Because of the toxicity of mercury compounds, mercury(I) chloride is used in antibacterial salves.…

A: The volume of water = 4900 km3 Ksp = 1.5 × 10−18 The reaction for the dissociation of the Hg2Cl2 is…

Q: A    =   2 B        Δ H = + 24 kcal   Is the above reaction exothermic or endothermic?   Is heat…

A:

Q: 139 kJ to Calories

A: Given: Energy  = 139 kJ convert into calories.

Q: Hydrogen sulfide, H2S, is produced during decomposition of organic matter. When 0.3620 mol H2S burns…

A: Given :-  H2S (g) + O2 (g) → SO2 (g) + H2O (g)  ∆H = -187.5 kJ  To calculate :-  Given heat into…