Question 43 How much heat is rel;eased to the surroundings when 5.00 g of CO2 is produced according to the following thermochemical equation

Q: 1) How much heat will be released when 4.72g of carbon reacts with excess O2 according to the…

A: “Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts…

Q: The thermochemical equation for the combustion of methanol is CH3OH (g)  +  3/2 O2(g)  →  CO2(g)  +…

A: Here we are required to find the heat produced on burning 5 gm of methanol

Q: A 140.0 g sample of water at 25.0C is mixed with 114.0 g of a certain metal at 100.0 °C. After…

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Q: Hydrogen sulfide (H2S) is a gas that smells like rotten eggs. Using the standard enthalpies of…

A: Heat of reaction is defined as difference of energy of product  and energy of Reactant. If heat of…

Q: H.W) How much heat energy is needed to raise the temperature by 15°C of: (1)25 g water (µ=4.148 J/(g…

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Q: A 10. g block of metal is heated to 105.00 °C and then dropped into 25 g of water. The water…

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Q: A 140.0-g sample of water at 25.0°C is mixed with 111.7 g of a certain metal at 100,0°C. After…

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Q: רPi How much heat will be released (AH) if 0.2037 mol of NH3 are mixed with 0.20 mol of O2 in the…

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Q: The overall reaction in commercial heat packs can be represented as 4Fe + 3O2=2Fe2O3(s)ΔH= -1652 kJ…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: he value of ΔH0for the reaction is -126 kJ. Determine the heat released when 2.00 mol of NaOH is…

A: For a chemical reaction, the enthalpy of reaction (ΔHrxn) is the difference in enthalpy between…

Q: 2. Given the following equations: 4 NH3(2) + 5 O2(2) 4 NH3(2) + 3 O2(2) → 4 NO(2) + 6 H2O0 AH°…

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Q: A2.150-g sample of quinone (C,H,O₂) is burned in a bomb calorimeter whose total heat capacity is…

A: Answer: Given data: Mass of quinone m=2.150g Heat capacity of bomb calorimeter C=7.854kJ/°C

Q: The value of AH° for the reaction below is -82 kJ. kJ of heat are released when 80.9 grams of HBr is…

A: The balanced reaction given is, Given: ΔH of reaction = -82 KJ. And mass of HBr formed = 80.9 g.

Q: Calorimeter Y has a greater heat capacity than Calorimeter Z. What does this imply? Select one: O a.…

A: Given heat capacity of calorimeter Y is greater than calorimeter Z

Q: Upon the decomposition of baking soda, carbon dioxide is release, which causes a cake to rise while…

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Q: Given the chemical reaction: CHale) +5 0,g)→3 CO,) +4 H,OG) AH = -2044 kJ How much heat would be…

A: When hydrocarbons are combusted, then the large amount of heat is produced which is known as…

Q: Iron metal reacts with Oxygen gas to produce Iron (III) oxide according to the reaction. AH= -1652…

A: Given that , DelH = -1652 KJ  The balanced chemical reaction is given by , 2 Fe(s) + 3 O2(g)…

Q: 6. The reaction for the combustion of octane, CeH18, is shown below. 2 CH18(g) + 25 0:(g)16 CO:(g) +…

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Q: 8. How much heat is released when 266g of carbon dioxide are formed? 2C₂H +70, 4CO₂ + 6H₂O -> AH =…

A: 1.Combusion  of ethane is exothermic  reaction.  2 . when etane undergo combusion  give carbon…

Q: Consider the following reaction: 2 Mg(s) + O2(g) ⟶⟶ 2 MgO(s)…

A: There is a  the  reaction  :- 2 Mg(s) + O2(g) ------------> 2 MgO(s).…

Q: Hydrazine, N2H4 is used as rocket fuels. The thermochemical equations for the combustion of…

A: Given reaction, N2H4  + O2→ N2 + 2H2O   ∆H = -622.4 KJ 1 mole of combustion of N2H4 produces -622.4…

Q: According to the following thermochemical equation, if 586.9 g O, is formed how much heat is…

A: Answer - According to the question - Given reaction  CO2 +(g) + 1/2H2O (l) ----- -> 1/2 C2H2 (g)…

Q: Consider the following equation: CO + 2H 2 CH 3OH AH pm = -128 kJ Calculate the amount of heat (in…

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Q: Given the thermochemical equations A(g) - - B(g) AH 60 kJ B(g) C(g) AH -140 kJ find the enthalpy…

A: A -------->  B     delta H = 60KJ B -----------> C     delta H = - 140KJ

Q: CaCO3(s) + 2 HCl(aq) –––> CaCl2(aq) + H2O(l) + CO2(g); ∆H° = -15.2 kJ Given the thermochemical…

A: We have to calculate the amount of heat liberated.

Q: CH4 instead of water. The enthalpy Imagine a person sweats for evaporating liquid CH4 is +8.2…

A: A question based on chemical thermodynamics that is to be accomplished.

Q: A 47.4g sample of a metal was heated to 94oC then quickly transferred to an insulated container…

A: Answer: This question is based on energy conservation. When metal will be put into the water, energy…

Q: How much heat, in kilojoules, is released when 12.4  g   H2(g)  reacts with plenty of  O2(g)  to…

A: Given thermochemical equation is  2 H2 (g)  + O2 (g)   -->  2 H2O (g)…

Q: given the thermochemical equation:  CH4 (g) + 2 O2 (g) -> CO2 (g) + 2H2O (l)  H = -890kJ is this…

A: Exothermic reaction: A reaction which evolves heat is called exothermic reaction. In an exothermic…

Q: Camphor has a heat of combustion of -5903.6 kJ/mol. A 0.7610 g sample of camphor was burned in a…

A: Molar mass of camphor = 152.23 gm/mol Moles of camphor = Weight /molar mass…

Q: The value of ΔH° for the reaction below is 128.1 kJ CH3OH (l) --> CO (g) + 2H2 (g)  How may kJ of…

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Q: Calculate how much heat is released or absorbed

A: This is a dissociation reaction. In this reaction,  Molecular weight of NH3=17.031g/mol 2…

Q: 2. At constant pressure, the combustion of 5.00g of CaHeig) releases 259kJ of heat. What is the AH…

A: According to the mole concept, in terms of mass, the amount of substance in moles is equal to the…

Q: How much heat is liberated (in kJ) from 2.48E2 g of silver when it cools from 8.8E1 °C to 2.58E1 °C?…

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Q: reach

A: Heat(Q) = mass • specific heat capacity • ∆T  Mass = 91.2g  Specific heat capacity of water =…

Q: The heat of combustion (AH) for an unknown hydrocarbon is -8.21 kJ/mol. If 0.344 mol of the…

A: ∆H = -8.21kj/mol =-8210J/mol  Since 1kj=1000j It means that during this process 8210 joule energy or…

Q: The combustion of methane is CH4 + 2O2 → CO2 + 2H2O ΔH = -802 kJ/molHow much heat is produced when 2…

A: Change in enthalpy is the formation of one mole of a compound from its elements. It can be positive…

Q: Assume that the specific heat of the solution is the same as that of pure water. 5.54 (a) When a…

A: Given: Mass of solution= 60g  Mass of sample = 3.88g Initial temperature = 230C Final temperature =…

Q: 8. What mass of propane, C3H3, must be burned in order to produce 76,000 kJ of energy? Circle one:…

A: Given, C3H8 + 5O2 ➝ 3CO2 + 4H2O + 2200 kJ mass of propane, C3H8 must be burned in order to produce…

Q: The addition of 197 J of energy raises the temperature of a 22.0 g of substance by 2.15°C.…

A: Specific heat (C) :-  The amount of heat required to raise the temperature of 1 gram of a substance…

Q: According to the following thermochemical equation, how much heat is produced when 3.85 g of CH. is…

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

Q: Hydrazine, N2H4 is used as rocket fuels. The thermochemical equations for the combustion of…

A: Given :- N2H4  + O2→ N2 + 2H2O   ∆H = -622.4 KJ To determine :-   quantity of heat  liberated from 1…

Q: What is the standard molar enthalpy of formation for aluminum oxide (Al203) based on the…

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Q: The bomb calorimeter in Exercise 97 is filled with 987 g of water. The initial temperature of the…

A: Given, Heat capacity of bomb calorimeter =6.66 kJ/°C mass of water = 987 g initial temperature of…

Q: The highly exothermic thermite reaction, in which aluminum reduces iron(III) oxide to elemental…

A: Heat is arises due to change in temperature and heat is transferred from hotter body to colder body.…

Q: equation, what is the standard heat of formation for NaOH? 2NaOH(s)-->2Na (s) + O2 (g) + H2 (g)…

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Q: The combustion of 1 mole of wood alcohol (methanol) releases 341 kJ of heat. Convert the following…

A: Given Combustion of one mole of ethanol releases heat 341 kJ Given equation2 CH3OH (l) + 3O2(g)   →…

Q: the reaction below is -72 kJ. Therefore, ________ kJ of heat are released when 5.0 mol of HBrHBr is…

A: According to balanced equation -72KJ of heat is released when 2 moles of HBr is formed.   It is…

Q: The enthalpy of combustion of methane gas, CH4(g), is about -9.0*102 kJ/mol. When methane gas reacts…

A: Combustion is the process of reaction of a compound with excess of oxygen gas. The products of…