Above what temperature does the following reaction become nonspontaneous? FeO(s) + CO(g) → co2(g) + Fe(s) AH = -11.0 kJ; AS = -17.4 J/K Temperature =,

Q: The value of AU for the combustion of propane, C3H8, is -185.81 kJ. What is the heat of formation of…

A: Heat of formation of propane can be calculated as given below.

Q: 1) Calculate q when 430 kJ of energy has been released from a system that performed 110 kJ of work:…

A: Hi there! Thank you for the question, but as per our guidelines we can solve only one question at a…

Q: 100 J of heat is released by the system and it does 100J of work. Which of the following is true? A.…

A: When energy is released from the system to the surroundings, the sign is negative while it is…

Q: A hot air balloon is being inflated to its full extent by heating the air inside it. In the final…

A: Delta E for the process = 790 kJ

Q: If we define the system as the reactants and products, what is the sign of work in this process,…

A: According to the first law of thermodynamics, the internal energy of a system can be changed by…

Q: Indicate which of the following is independent of the pathby which a change occurs: (a) the change…

A: Indicate which of the following is independent of the path by which a change occurs .

Q: Which of the following is a statement of Hess's law? O The AH of a reaction depends on the physical…

A: Hess's Law - If a reaction is carried out in multiple steps then the change in enthalpy of reaction…

Q: A cylinder contains a gas under constant atmospheric pressure. When 0.384 kJ of heat is added to the…

A: Given that : The amount of heat added to the gas (q) = 0.384 kJ Work done (W) = 553 J

Q: 2. Calculate the molar heat capacity of rhodium, in J/mol.°C, given a specific heat of 0.244…

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Q: 22. Write a reaction that corresponds to the Suppose a 50.0 g block of silver (specific heat =…

A: The question is based on the law of conservation of energy. whatever heat lost by hot silver metal…

Q: The ΔH for the solution process when solid sodium hydroxide dissolves in water is 44.4 kJ/mol. When…

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Q: The specific heat of a certain type of cooking oil is 1.75 J/(g⋅°C).1.75 J/(g⋅°C). How much heat…

A: Given data :: Cp of cooking oil = 1.75 J g-1℃-1 q= ? m=2.08 Kg = 2080 g T1=23 ℃  T2= 191℃

Q: Use the following information to calculate the amount of heat involved in the complete reaction of…

A: this equation can be simply solved using Hess's law of constant heat summation. By summing up the…

Q: Heat transfer in a reaction is 8740 J. Write the correct value (with correct sign) for q if heat is…

A: Given The heat transfer in the reaction = 8740 J

Q: calculate the amount of heat (in J) necessary to raise the temperature of 23.9 g benzene by 27.0 °C.…

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Q: - Hydrogen gas and oxygen gas release 482.6 kJ of heat when they combine to form steam. Is this…

A: Given :  H2 + O2 ---> H2O  Amount of heat released = 482.6 kJ  To determine :-  Whether the…

Q: 46.0 g of a mercury alloy is heated from 20.0°C to 105.°C, and absorbs 550. joules of heat in the…

A: q = mc∆T  q is heat , m is Mass , c is specific heat capacity , ∆T is the difference in temperature…

Q: Consider the thermochemical equation for the combustion of ethyl alcohol: C2H5OH(l)  + 3O2(g)  --->…

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Q: A cylinder contains a gas under constant atmospheric pressure. When 0.434 kJ of heat is added to the…

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Q: Which of the following represents a system that is exothermic and is doing work on the surroundings?…

A: Given information,     System is exothermic and doing work on the surroundings

Q: Cu(s) + 0.5 0; (g) --> CuO (s) DH - -275 kJ CuO(s) + Cu (s) --> Cu,O (s) DH = +64 kJ Calculate DH…

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Q: 4. A 50.0 gram piece of hot iron (specific heat = 0.451 J/g °C) was placed in a beaker of 600. grams…

A: The question is about calculating the Original Temperature of the hot iron piece using the given…

Q: What is the change in internal energy for a reaction producing 65.0 joules of heat by doing 38.0…

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Q: Suppose we have a closed, un-isolated system. When 483 J of heat was introduced to the system, it…

A: According to the first law of thermodynamics ; change in internal energy is given by the sum of heat…

Q: The standard enthalpy of combustion of ethanol (C2H5OH) is -235.1 kJ/mol. How many kilojoules of…

A: Thermodynamic is the branch of chemistry that mainly deals with the heat transfer between system and…

Q: The value of AH° for the reaction below is -126 kJ. The amount of heat that is released by the…

A: Balanced equation:2 Na2O2 + 2 H2O ===> 4 NaOH + O2 Reaction type: double replacement.

Q: Both graphite and diamond burn.C(s, diamond) + O2(g) ⟶ CO2(g)For the conversion of graphite to…

A:

Q: At 850°C, CaCO3 undergoes substantial decomposition to yield CaO and CO2. Assuming that the ∆H°f…

A: Standard enthalpy of formation of CaCO3 (s) = -1207 KJ/mol Standard enthalpy of formation of CaO (s)…

Q: A cylinder contains a mixture of gases under constant atmospheric pressure. The gases undergo a…

A: It is given that a cylinder contains a mixture of gases at constant atmospheric pressure and the gas…

Q: Which statement is false The thermodynamic quantity most easily measured in a "coffee cup"…

A: The statement which is false given below.

Q: A system that does no work but which receives heat from the surroundings ha O q = AU O q = -AU O q 0…

A: Given that : We have to identify which expression fits for a system that does no work but receives…

Q: At 850°C, CaCO3 undergoes substantial decomposition to yield CaO and CO2 Assuming that the ΔH°f…

A: The balanced chemical equation is given below, CaCO3(s)→CaO(s)+CO2(g) To calculate  ΔH°f values. Add…

Q: Instant hot packs contain a solid and a pouch of water. When the pack is squeezed, the pouch breaks…

A: The reaction is given below.LiCl (s)  -->  Li+(aq) + Cl−(aq)         ΔH=  −36.9kJHeat of reaction…

Q: In the accompanying cylinder diagram, a chemical processoccurs at constant temperature and pressure.…

A: a. We ar esupposed to find the sign of w: We use the formula Work = -Pexternal(Vfinal - Vinitial) =…

Q: Consider the following thermochemical equation: Fe2O3 (s) + 2 Al (s) --> 2 Fe (s) + Al2O3 (s)   ∆H…

A: The answer to the following question is given as:

Q: COPPER Mass of EMPTY Cup 4.0g Mass Of Cupt whater 64.09 Mass of water 64.0g 4.0a Mass of COPPER…

A: Given : Mass of water = 60.0 g Mass of metal i.e copper = 17.92 g Initial temperature of water =…

Q: A system undergoes a process consisting of the following two steps:Step 1: The system absorbs 72 Jof…

A:

Q: 4) Which of the following (with specific heat capacity provided) would show the smallest temperature…

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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: If energy flows into a chemical system and out of the surroundings, what is the sign of ΔEsurr?

A: Given that,  Energy flows into a chemical system and out of the surroundings

Q: An 80.0 g sample of a gas was heated from 25 °C to 225 °C. During this process, 346 J of work was…

A: Given data, Work done = 346 J Mass of the sample = 80 g Internal energy increased by 7115 J

Q: The value of ΔH0for the reaction is -482 kJ.  What is the heat released to the surroundings when…

A: When two moles of CO reacts with one mole of O2, two moles of CO2 are formed. The amount of heat…

Q: The sign of AH for the process NaCI(s) NaCI() is --> O positive, and the process is endothermic. O…

A: Solution, Conversion of NaCl solid to NaCl liquid. More stable salt to less stable compound.

Q: A 27.7 g sample of ethylene glycol, car radiator coolant,loses 688 J of heat. What is the initial…

A:

Q: Consider the accompanying energy diagram. (a) Does thisdiagram represent an increase or decrease in…

A: Given diagram,

Q: 9. Consider the reaction NH4NO; (s) → NH4+ (aq) + NO3- (aq). When 1.25 g of NH,NO3 dissolves in…

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Q: III WICI a process occurs at constant external pressure. a) What is the sign of w for the system? Is…

A: Note : Since you have posted multiple questions, we are entitled to answer the first only. Please…

Q: In the recovery of iron from iron ore, the reduction of the ore is actually accomplished by…

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Q: When 0.0300L of 0.500 M KOH is mixed with 0.0500 L of 0.300 M HNO3 in a coffee-cup calorimeter, the…

A: Given: Initial temperature of mixture= 18.89∘CFinal  temperature of mixture= 20.20∘CHeat capacity of…