When 1 mole of CH4(g) reacts with H2O(g) to form H2(g) and CO(g) according to the following equation, 206 kJ of energy are absorbed.

Q: Part A Determine the mass of CO2 produced by burning enough carbon (in the form of charcoal) to…

A: Mass of CO2 can be calculated from the moles of CO2 produced by combustion.  Moles of CO2 can be…

Q: According to the given reactions, which of the following is not exothermic? SO2(g) – S(s) + O2(g) AH…

A: The reactions given are, 1) SO2 (g) -----> S (s) + O2 (g)                      ΔH = +199 KJ/mol.…

Q: Use the References to access important values if needed for this question. When 1 mol of N₂(g)…

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

Q: Using the balanced equation shown below, calculate the mass of C3H8 that must react in order to…

A: According to the given reaction, the combustion of one mole of C3H8 releases 2219.9 kJ of heat. One…

Q: N2(g) + O2(g) + energy2NO(g) Identify each of the following as a product or a reactant: O2(g)…

A: Given reaction : N2 (g) + O2 (g) + energy → 2NO (g)

Q: When 1 mole of C,H¼(g) reacts with H2O(g) to form CH3CH2OH(g) according to the following equation,…

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Q: C2H4 (g) + H2O (l) → C2H5OH (l) ΔH=? 1.C2H5OH (l) + 3O2 (g) → 2CO2 (g) + 3H2O (l) ΔH = -1367,5 KJ…

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Q: Choose whether the following statement is ENDOTHERMIC or EXOTHERMIC: A flask containing a reaction…

A: Reaction can be of two type : Endothermic and exothermic.

Q: 3. When 21.45 g of potassium nitrate was dissolved in water in a calorimeter, the temperature fell…

A: In this question, we have given,Mass of Potassium nitrate (KNO3)= 21.45 gHeat capacity = 682…

Q: 2. The following reactions are related to the dissociation of sulfuric acid. Calculate the enthalpy…

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Q: When 1 mole of C2H4(g) reacts with H2O (g) to form CH3CH2OH(g) according to the following equation,…

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Q: Rxn A: C(s) + O2(g) → CO2 (g) AH c = -393.5 kJ/mole Rxn B: C8H18(1) + 25/2 O2(g) → 8CO2(g) + 9H2Ou)…

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Q: Is the following reaction exothermic or endothermic? Choose the correct answer and reasoning. 2 SO3…

A: Ans b ,endothermic  ,because energy was added to the reaction as a reactant . In endothemic…

Q: 5. Calculate the enthalpy of the reaction of water vapor from liquid water. H₂(g) + O₂(g) → H₂O(1)…

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Q: Consider the reaction B,Ho(g) + 3 0;(g) - B,03(s) + 3 H,0(g) AH = -2035 kJ/mol Calculate the amount…

A: The given chemical reaction as follows --- B2H6 (g)  +  3 O2 (g)   →   B2O3 (s)   +   3 H2O (g)…

Q: The reaction between hydrogen and fluorine gas proceeds according to the reaction equation H2(8) +…

A: If the energy of the products is lower than the energy of the reactants, the enthalpy change of the…

Q: The following thermochemical equation is for the reaction of nitrogen(g) with oxygen(g) to form…

A: 66.4 kJ energy will cause reaction of 28 g N2 gas. So, mass of N2 will react by providing 20.8 kJ…

Q: What is the procedure for heating the metal sample to an exact but measured temperature?

A: Thermometer is a device that measures temperature or a temperature gradient. Thermocouples are also…

Q: 1.) It is interesting to compare the "fuel value" of a hydrocarbon in a world where fluorine rather…

A: Answer-1 CH4(g)+2O2(g)→CO2(g)+2H2O(g) Enthalpy of combustion of methane with oxygen:…

Q: Potential energy diagram Potential energy- Reaction coordinate Which letter represents the enthalpy…

A: Potential diagram is representation diagram of potential energy vs reaction coordination,which…

Q: None

A: Energy Change and Reaction Type for the Given EquationThe equation you provided represents…

Q: A 2.5 g sample of french fries is placed in a calorimeter with 500.0 g of water at an initial…

A: This problem is based on calorimeter where we need to find out Caloric value of the French…

Q: When 1 mole of CH4(g) reacts with O2(g) to form CO2(g) and H2O(g) according to the following…

A: Since When 1 mole of CH4(g) reacts with O2(g) to form CO2(g) and H2O(g) according to the equation…

Q: Iow much heat is absorbed when 18.8 g of KCl decomposes to K and Cl, ? Show the conversions required…

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Q: Part A Determine the mass of CO2 produced by burning enough of methane to produce 2.00 x 102 kJ of…

A: Number of moles of CH4 = Heat evolved/Heat of combustion Mass = number of moles x molar mass

Q: Mixing 50 ml of HCI ( 2.0 M) with 50 ml of NaOH ( 2.0 M ) raises the temperature of the calorimeter…

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Q: Magnesium reactions with HCl according to the equation below. When 0.103g of Mg(s) is combined with…

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Q: For the chemical reaction Ca (s) + ½ O2 (g) → CaO (s) AH° = -635 kJ/mol. What is the enthalpy (in…

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

Q: A bomb calorimeter, or a constant volume calorimeter, is a device often used to determine the heat…

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Q: When 2 moles of H2S(g) react with O2(g) to form H2O(l) and SO2(g) according to the following…

A: Given : Amount of heat evolved in the reaction = 1.12 X 103 KJ And moles of H2S reacted = 2 moles

Q: Calculate deltaH1 Please provide 3 sig figs, units are KJ/mol, please only give number value in…

A: we have to calculate deltaH1 for the reaction  Mg(s) + 1/2O2(g) --> MgO(s)

Q: 4. Gasohol contains ethanol (C2H5OH), which when burned reacts with oxygen to produce water and…

A: A reaction is exothermic if heat is released ( ΔH is negative ) and reaction is endothermic if heat…

Q: A 1.90 g sample of KCI salt is dissolved in 50.0 g of water in a coffee cup calorimeter. If the…

A: To calculate the heat involved in the dissolution of KCl, you can use the formula:q=mcΔTwhere:q is…

Q: 1. Does this graph represent an endothermic or an exothermic 250 reaction? Explain your answer. 200…

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Q: Which of the following processes is endothermic?     a hot cup of soup (system) cools on a…

A: Answer:- this question is answered by using the simple concept of endothermic reaction in which heat…

Q: The enthalpy change for the reaction 2H2 (g) + O2 (g) → 2H2O (g) is −483.6 kJ/mol. The enthalpy…

A: Here, for the given process, the heat released in formation of 2 moles of water is given as ∆H=…

Q: Enthalpy is the energy absorbed or released when a chemical change occurs. Assume you have the…

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Q: the thermite reaction: |(s) + Fe2O3(s) ---> 2 Fe(s) + Al203(s) much heat is generated that the iron…

A: Exothermic reaction= reaction in which heat is generated Endothermic reaction= reaction in which…

Thermochemistry

Thermochemistry can be considered as a branch of thermodynamics that deals with the connections between warmth, work, and various types of energy, formed because of different synthetic and actual cycles. Thermochemistry describes the energy changes that occur as a result of reactions or chemical changes in a substance.    

Exergonic Reaction

The term exergonic is derived from the Greek word in which ‘ergon’ means work and exergonic means ‘work outside’. Exergonic reactions releases work energy. Exergonic reactions are different from exothermic reactions, the one that releases only heat energy during the course of the reaction. So, exothermic reaction is one type of exergonic reaction. Exergonic reaction releases work energy in different forms like heat, light or sound. For example, a glow stick releases light making that an exergonic reaction and not an exothermic reaction since no heat is released. Even endothermic reactions at very high temperature are exergonic.