hwquiz6-1 EP Immersive Reader Open in Desktc 12. How much heat is released when 3.42 g of nitrogen dioxide is dissolved in water to produce nitric acid and nitrogen monoxide? AH = -188 KJ/mol

Q: Nitric acid is neutralized with potassium hydroxide in the next reaction. HNO3(aq) + KOH(aq) →…

A: We will first determine the mass of solution by adding the volume and multiplying density. And we…

Q: In a constant-pressure calorimeter, 50.0 mL of 0.350 M Ba(OH), was added to 50.0 ml. of 0.700 M HCI.…

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Q: Consider the following reaction.  CH4 + 2O2 -> 2H2O + CO2      ΔH = -890 kJ/mol If 305 kJ of…

A: Given reaction is CH4 + 2O2 —> 2H2O + CO2      ΔH = -890 kJ/mol 2 mol H2O produced releases 890…

Q: In a constant-pressure calorimeter, 60.0 mL of 0.310 M Ba(OH), was added to 60.0 mL of 0.620 M HCI.…

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Q: Consider the following reaction: 2 CO(g) + O2(g) --> 2 CO2(g)   Use standard heats of formation…

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Q: How much heat is produced by the combustion of 4.67g of magnesium (24.30 g/mol)? Mg(s) + 1/2 O2(g)…

A: Here we have to apply mole concept, first we need to find for 1 gram Mg combustion how much energy…

Q: I need the third sub part

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Q: Calculate the quantity of heat released when 4.00 g of CH4(g)are burned in excess oxygen according…

A: Methane react with oxygen and produced one mole of carbon dioxide and two mole of water

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: CS2 and 10.0 g Cl2 reacts by the followi CS2(g) + 3Cl2 (g) AH = -230. kJ

A: Given, Mass of Cl2 = 10 g Mass of CS2 = 10 g Molar mass of CS2 = 76 g/mol Molar mass of Cl2 = 71 g…

Q: What is the enthalpy change when 189 g of NH3 are produced? The standard enthalpy of formation of…

A: Standard enthalpy of formation :- The enthalpy change accompanied the process of formation of one…

Q: Mass of water 5.678 g Ti 2.33 Tf -21.33 a. calculate the heat lost when the mass of water (g)…

A: This problem is based on phase tranfer of matter . Here water transform from water to ice from…

Q: The principal component of LPG is butane, C4H10(g). If combustion of 1 mole of butane produces 126…

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Q: The reaction for the combustion of propane is kcal (DOʻHT + (8) 0E – (3)OS + (3)*H°Ɔ mol AH = -526.3…

A: Given, C3H8 (g) + 5O2 (g) → 3CO2 (g) + 4H2O (l) ∆H = - 526.3 kcal/mol Note: negative sign (-)…

Q: c. If 6.25 mol of Ag are formed, how many moles of copper (Cu) were reacted? d. If 5.12 mol of…

A: Answer:- Firstly a balanced chemical equation is written then using the simple concept of…

Q: If 51.44 kJ of heat evolved when 0.180 mol H2O(1) is formed from the combustion of H2(g) and O2(g),…

A: The number of moles of a substance is given as the mass of the substance upon its molar mass.

Q: Which of the following represents an exothermic chemical reaction? O CO2 (g) breaking into C (s,…

A: Exothermic reaction are those in which heat is released. For exothermic reaction ∆H is negative.

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: chemical reaction has a negative enthalpy of reaction (-ΔHrxn) What does this tell you about the…

A: We have to find which option is correct

Q: In the following reaction, what is the quantity of heat (in kJ) released when 1.81 moles of CH4 are…

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Q: 3. When carbon disulfide, CS2, forms from its elements, heat is absorbed. How much heat would be…

A: Enthalpy of reaction - it is the heat evolved or absorbed when number of moles of reactants , as…

Q: For the reaction H2(g) + 1/2 O2(g) --> H2O(g), DHo = -241.8 kJ. What quantity of heat, in kJ,…

A: Balanced Reaction H2(g) + 1/2 O2(g) --> H2O(g) Here heat is released during the reaction.

Q: 7. When 0.63 g of solid LiCI (AHsoln = – 37.1 kJ/mol) dissolves in 5 L of water, how much heat is…

A: Answer :-  Heat released (q) when 0.63 g LiCl dissolved in 5 L water = -552.8 (J) = -0.5528 (kJ)…

Q: In the following reaction, how much heat is generated when 3.27 moles of CH« are burned? CH: (g) + 2…

A: The reaction is : CH4(g)  +  2O2(g)  →  CO2(g)  +  2H2O(g)       ∆H°=-802 kJ/mol Here, as we can…

Q: 6.D Macmillan l A chemist dissolved an 11.9-g sample of KOH in 100.0 grams of water in a coffee cup…

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Q: 5) What quantity of heat (in kJ) will be absorbed by a 31.5 g piece of aluminum (specific heat =…

A: Answer 5.The specific heat of a substance is a measure of the amount of heat energy required to…

Q: when butane (C4H10) in a cigarette lighter undergoes combustion, it evolves 2880 kJ per mole of…

A: When butane (C4H10) in a cigarette lighter undergoes combustion, it evolves 2880 kJ per mole of…

Q: 9. (Calorimetry - Determination of enthalpy) A coffee-cup calorimeter having a heat capacity of 472…

A: Answer: This question is based on the conservation of energy where energy gained by the reaction…

Q: In a constant-pressure calorimeter, 75.0 mL of 0.880 M H, SO, was added to 75.0 mlL of 0.440 M NaOH.…

A: Given :  Concentration of NaOH solution  = 0.440 M  Volume of NaOH solution = 75 ml  Concentration…

Q: 8CO2(g) + S13N4(s) AH = +461.05 kJ 8CO + 2N20 + 3SIO2 a) Is this reaction exothermic or endothermic?…

A: a.) Type of reaction acb be determined form sign of ∆H of reaction.  b.) The type of reaction can be…

Q: The standard enthalpy of formation of liquid water AH,° is -285.9 kJ/mole. Write the balanced…

A: Given: The standard enthalpy of formation of liquid water is -285.9 KJ/mol.

Q: For the highly exothermic reaction H2(g) + 1/2 O2(g) → H2O(g) qrx =DHrx = -242 kJ, What quantity of…

A: Given: no of moles of H2 =17.9molno of moles of O2 = 1.13 molThe reaction is:H2(g) + 1/2 O2(g) →…

Q: In the following reaction, what is the quantity of heat (in kJ) released when 3.91 moles of CH4 are…

A: One mole of methane react with oxygen and produced carbon dioxide and two mole of water

Q: Question 2 of 6 Submit In the following reaction, how many moles of CH3OH are required to produce…

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Q: f the heat of precipitation of barium sulfate is -1473.2 kJ/mol, what is the heat of solution…

A: A chemical equation can be added, subtracted, multiplied, or divided similar to an algebraic…

Q: How many mole is present in the reactant and product in the given belwo

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Q: If 2C4H10 + 13O2 --> 8CO2 + 1OH2O is exothermic, is energy (heat) a reactant or product?

A: A reaction in which heat is released is called exothermic reaction.

Q: How much heat (in kJ) will be released (AH) if 0.4501 mol of NH3 are mixed with 0.200 mol of O, in…

A: Applying concept of limiting reagent and heat released.

Q: 48.2 mL of a solution of HCl is combined with 110.7 mL of 1.35 M NaOH in a calorimeter. The reaction…

A: Given: Volume of HCl solution = 48.2 mL = 0.0482 L                               (Since 1 L = 1000…

Q: In the following reaction, how much heat is generated when 3.21 moles of CH4 are burned? CH: (g) + 2…

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Q: 13. Determine the amount of heat (in kJ) given off when 320 g of NO, are produced according to the…

A: Answer: option c: -3.99 ×10+2kJ is the amount of heat given off

Q: A volume of 0.25 L is acquired when you combine 0.2 g of Mg metal with HCl. Assuming the solution…

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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.