What is the net ionic equation and ΔHrxn of NaOH(aq) + NH4Cl (aq) -> NaCl(aq) + NH3(aq)+H2O (l)?

Q: An automobile engine provides 612 Joules of work to push the pistons and generates 2336 Joules of…

A: According to the first law of thermodynamics, the change in the internal energy of a system is equal…

Q: When NaOH is neutralized by HCl as shown: NaOH (aq) + HCl (aq)  H2O (l) + NaCl (aq) ΔH = - 56.13…

A: The balanced reaction taking place is given as, => NaOH (aq) + HCl (aq) --------->  NaCl (aq)…

Q: a. AH for solid copper(I) oxide. b. the standard enthalpy of combustion of liquid butanol, C, H9…

A: The reactions given in explanatory terms have to be converted into chemical equation term. A…

Q: Calculate the value of AH° for the reaction N₂(g) + O₂(g) → 2NO(g). 4NH3 (g) +50₂ (g) → 4 NO (g) +…

A: For such type of questions, we have to deduce the required equation by using the given chemical…

Q: Calculate the standard enthalpy of reaction, Δ?∘rxn,ΔHrxn∘, of each of the given acid–base…

A: The standard enthalpy of any reaction is given by the enthalpy of formation of reactants and…

Q: Question is attached

A: when NaOH is dissolved in the water it dissociates completely in ions   A solute dissolves in…

Q: 9. From the enthalpies of reaction 2C (s) + O2 (g) → 2 CO (g) AH = -221.0kJ 2C (s)+ O2 (g) + 4H2 (g)…

A: Given: The two thermochemical reaction is as follows: 2C(s) + O2(g) -------> 2CO(g)…

Q: Part A The metabolism of glucose, CH1206. yields carbon dioxide, CO2(g), and water, H2O(1), as…

A: Given, mass of person = 83 kg Elevation = 1470 m

Q: When 25.0 mL of 0.25 mol/L LiOH and 25.0 mL of 0.25 mol/L HCl are mixed together, the temperature…

A: Specific heat formula The equation that is used to calculate the amount of energy, in Joules (J),…

Q: In a generic chemical reaction involving reactants A and B and products C and D, aA + bB»cC + dD,…

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Q: Calculate AH for the following balanced reaction in kJ: 3NO2 (9) + H20 (1) → 2HNO, (aq) + NO (g)…

A: Given balanced reaction,      3 NO2(g) + H2O(l) → 2 HNO3(aq) + NO(g)

Q: The sum of the coefficients of the balance reaction for the combustion of acetylene is _____.…

A: Here, the question is about calculating the sum of the coefficients of the balanced chemical…

Q: 50.0 mL of 1.45 mol/L NaOH and 50.0 mL of 1.45 mol/L HA are added to a coffee cup calorimeter, and…

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Q: A reaction occurs according to the following balanced chemical equation: AaBbs + 5 Cc → Áa + 5 BbCc.…

A: Answer: Limiting reagent is the substance that exhausted first in the reaction and decide the yield…

Q: A critical reaction in the production of energy to do work or drive chemical reactions in biological…

A: We have to predict the ∆G reaction and nature of reaction.

Q: Calculate AH for the process: Hg2Cl2 (S) → 2Hg(e) + Cl2(g) rom the following information: Hg(e) +…

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Q: In determining the enthalpy of neutralization of a strong acid-strong base reaction, three students…

A: We would calculate moles of base ( NaOH ) added  initially.  Then for each student we calculate the…

Q: What is the change in enthalpy in joules when 5.44 × 10* mol of A9CI solid dissolves in water…

A: Enthalpy is the sum of internal energy and work done , it is always obtained as Change in enthalpy.

Q: A critical reaction in the production of energy to do work or drive chemical reactions in biological…

A: Recall the given reaction,   ATP (aq)  +  H2O (l)  -------->  ADP (aq)  +  HPO42- (aq) At 37◦C…

Q: The combustion reaction of octane is represented by the following equations: 2C8 H18 (1) + 25 O2 (g)…

A: The enthalpy change is a state function and the Hess law states that the change of enthalpy in a…

Q: 4. In a neutralization reaction in a well-insulated calorimeter, 112.9 g of 1.2915 M NAOH were added…

A: Given: mass of NaOH = 112.9 g Concentration of NaOH = 1.2915 M mass of HCl = 129.1 g Concentration…

Q: What is the change in enthalpy in joules when 5.44 x 10- mol of AgCI solid dissolves in water…

A: • The given balanced chemical equation is,     AgCl(s) → Ag+(aq) + Cl-(aq) ; ∆H = 65.5 kJ     The…

Q: Given the following data 2 CIF(g) + O2(g) Cl2 O(g) + F20(g) 2 CIF, (9) + 202 (g) C, O(g) + 3F20(g)…

A: Interpretation: From the given reaction, the ∆H of the given equation is to be calculated.

Q: The standard nthalpy of neutralization of a weak hydrogen cyanide acid, HCN (aq), by a stong base,…

A: Since the standard enthalpy of neutralisation of part A (i.e strong acid and strong base ) = -60.066…

Q: Given that the standard enthalpy of formation of HCl(aq) is −167 kJ mol−1, what is the value of…

A: Standard enthalpy of formation of HCl(aq) is, ΔfHo[HCl(aq)] = −167 kJ mol−1 To calculate:…

Q: Using the data in the table below, calculate AH° in kilojoules for the following reactions. Standard…

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Q: Calculate ΔH (in kJ/molkJ/mol NH4NO3) for the solution process…

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Q: Copper has been used for thousands of years, either as a pure metal or in alloys. It is frequently…

A: The answers are given below

Q: Which one of the following is the equation for a standard formation reaction -- i.e., an equation…

A: Enthalpy of formation :- Change in enthalpy during the formation of a compound from its elemental…

Q: 2. Given the following data: P4(s) + 6CI2(g) →> 4PC|3(g) AHrxn = 1225.6 kJ %3D P4(s) + 502(g) →>…

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Q: Given the following data: AH = -285.8 kJ H2(9) + 2/(g) → H2O) AH = -76.6 kJ N2OS(g) + H20w → 2…

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Q: For a chemical reaction, if AG°298 -169.8 kJ and AH°298 = -17.3 kJ, what is AS° (in kJ/K) for the…

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Q: What is the change in enthalpy in joules when 5.44x10-4 mol of AgCl dissolves in water according to…

A: Given, number of moles of AgCl =5.44×10-4 molesthe chemical equation is as…

Q: Hydrogen cyanide is used in the manufacture of clear plastics such as Plexiglas. It is prepared from…

A: In this question, we will determine the value of heat ( q ) in kJ unit.  You can see step by step…

Q: The amino acid glycine, C2H5NO2, is one of the compounds used by the body to make proteins. The…

A: We have given that  The amino acid glycine, C2H5NO2 is one of the compounds used by the body to make…

Q: Calculate AH for the process: N2(g) + 202(g) → 2NO2(g) from the following information: N28) +O2(g) →…

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Q: ( to 292. K. nge of internal energy.

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Q: Carbon disulfide burns in air, producing carbon dioxide and sulfur dioxide. CS2 (1) +302(g) CO2 (9)…

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Q: What is the change in enthalpy in joules when 5.44 x 10- mol of AgCI dissolves in water according to…

A: Given Reaction: AgCl--------> Ag+ +Cl- Moles of AgCl = 5.44 x 10-4 mol Δ H=65.5 kJ

Q: What is the change in enthalpy in joules when 5.44 x 10 mol of AgC dissolves in water according to…

A: The given chemical reaction is as follows,AgCl(aq) →Ag+(aq)+Cl-(aq)    ; ∆H =65.5 kJnumber of moles…

Q: The enthalpy of combustion and the standard enthalpy of formation of a fuel can be determined by…

A: Hi, as you have provided questions with more than 3 subparts and have not mentioned which subparts…

Q: Nitromethane, CH3NO2, can be used as a fuel. When the liquid is burned, the (unbalanced) reaction is…

A: The balanced reaction will be written as: 4CH3NO2 (l) + 3O2(g) → 4CO2 (g) + 2N2 (g) + 6H2O (g) These…

Q: A 100.0-mL sample of 1.00 M NaOH is mixed with 50.0 mL of 1.00 M H2SO4 in a large Styrofoam coffee…

A: Since concentration of H2SO4 taken is 1 M and volume of H2SO4 solution is 50 mL = 0.050 L…

Q: Acetylene, C2H2, is a gas commonly used in welding. It is formed in the reaction of calcium carbide,…

A: Acetylene, C₂H₂, is a gas commonly used in welding. It is formed in the reaction of calcium carbide,…

Q: Given the following thermochemical reactions: AH° = -818.3 kJ N2H4() + 2H2O2(g) → N2(g) + 4H20()…

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Q: In a generic chemical reaction involving reactants A and B and products C and D, aA + 6B>cC+ dD, the…

A: Consider the given balanced equation is as follows; CO g    +    NH3 g    →    HCN g    +    H2O g…

Q: Using Hess's Law to calculate net reaction enthalpy Dwayne V The lead-acid storage battery is the…

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Q: In a generic chemical reaction involving reactants A and B and products C and D, aA + bB¬cC+dD, the…

A: The balanced reaction taking place is  => H2O (l) + CCl4 (l) -------> COCl2 (g) + 2 HCl (g)

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.