2. The following reactions are related to the dissociation of sulfuric acid. Calculate the enthalpy change (delta H) in kJ for the dissociation of sulfurc. acid using Hess's Law.

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

A: The change in enthalpy of a reaction is used to determine the endothermic reaction or exothermic…

Q: ΔH = +572 kJ for the decomposition of water by the reaction 2 H2O() → 2 H2(g) + O2(g). How many…

A:

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

A: The balanced Chemical equation given in the question - Ca(s) + ½O₂(g) → CaO(s), ∆H° =-635 kJ/mol…

Q: Use the given information to determine the enthalpy of the reaction 2 M(s) + 3 Cl,(g) – 2 MCI, (s)

A: Step : 1             Find the enthalpy of the reaction.

Q: Determine the enthalpy for the reaction of oxygen and ammonia (NH3) gases  to form water vapor and…

A:

Q: Given the data: Volume of 1.00 M HCI (mL) 45.0 Volume of 1.00M NAOH (mL) 50.0 Initial Temperature…

A: Enthalpy of neutralization is the enthalpy change when 1 mol of water is formed from the reaction of…

Q: Calculate the standard reaction enthalpy (AH° ) in kJ of the following reaction using the standard…

A: The question is based on concept of chemical thermodynamics. we have to calculate enthalpy of the…

Q: Given the standard enthalpy changes for the following two reactions: (1) N2(g) +…

A: The given problem relates to Hess's law, which states that the amount of heat evolved or absorbed in…

Q: give 2 examples of enthalpy, entropy, and Gibbs free energy.

A: Examples of enthalpy, entropy, and Gibbs free energy are given below

Q: 2.Describe four different ways in which the enthalpy change associated with the following chemical…

A: The reaction can be given as  HNO3(aq)+ KOH (aq) →KNO3(aq)+ H2O And the reaction generated 53.4…

Q: Calculate the standard enthalpy of the reaction for the process 3NO(g) --> N2O(g) + NO2(g)

A: Given :- 3NO(g) --> N2O(g) + NO2(g)   standard enthalpy of formation of NO = 90 kJ/mol  standard…

Q: When a 4.00 g sample of KCl is dissolved in water in a calorimeter that has a total heat capacity of…

A: Heat of solution is the heat absorbed or given out when the salt is dissolved.

Q: Calculate the standard enthalpy change for the following reaction at 25 °C.…

A: If the reaction between the species acid and base than the salt and water will be generated.

Q: (1) N2(g) + O2(g)2NO(g)...... ΔH° = 181.8 kJ (2) N2(g) + 2O2(g)2NO2(g)......ΔH° = 66.4 kJ what is…

A: Given             N2(g) + O2(g)     →    2NO(g).         ΔH°   = 181.8 kJ            N2(g) + 2O2(g)…

Q: Given the standard enthalpy changes for the following two reactions: (1) 4C(s) + 5H₂(g) →C4H10(g)…

A:

Q: Consider the hypothetical thermochemical equation 3 A + B → 2 C for which ΔH = 63.1 kJ/mol. What…

A:

Q: Calculate the change of enthalpy for the reaction CH4 (g) + NH3 (g) - -> HCN (g) +3H2 (g) from the…

A: Given reactions N2 (g) + 3H2(g) -----------> 2NH3(g) ∆H=-91.8kJ/mol.   _____(1) C(s,graphite)…

Q: (c) The heat released by the reaction (d) If the acid-base neutralization produces 0.43 mole of…

A:

Q: ΔH = +572 kJ for the decomposition of water by the reaction 2 H2O() → 2 H2(g) + O2(g). How many…

A: Number of moles decomposed = Heat given/Molar heat of decomposition Mass = Number of moles x molar…

Q: Given the standard enthalpy changes for the following two reactions: (1) N2(g) +…

A: We are provided with N2(g) + 2O2(g) → N2O4(g)...............(1) 2N2O(g) → 2N2(g) +…

Q: Given the standard enthalpy changes for the following two reactions: (1) 4C(s) + 5H,(g) C,H1o(g) AH°…

A: According to Hess law, the enthalpy change of a reaction is equal to the sum of the enthalpy change…

Q: Given the standard enthalpy changes for the following two reactions: (1) 4C(s) + 5H2(g) C,H10(9) AH°…

A:

Q: Define standard enthalpy.

A:

Q: Given the standard enthalpy changes for the following two reactions: (1) N2(g) +…

A: The reactions given are 1) N2 (g) + 2 O2 (g) -----> N2O4 (g)…

Q: When 0.560 g of Na(s) reacts with excess F2(g) to form NaF(s), 13.8 kJ of heat is evolved at…

A: The solution of above question is-

Q: When 5.03 of solid potassium hydroxide are dissolved in 100.0 mL of distilled water in a coffee-cup…

A:

Q: Consider the following chemical reaction: C3H4(g) + HCl (aq) ----------> C3H6Cl2(g) 412 kJ/ mole…

A:

Q: Calculate the standard enthalpy change of the reaction in kJ. Is the process endothermic or…

A:

Q: Using the provided table, determine the enthalpy (i mol) for the reaction 2 K(s) + 2 H,0(I) → 2 KOI…

A: The enthalpy of reaction takes place at constant pressure. It is used for evaluating the amount of…

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: Given the following reactions N2 (g) +202 (g) → 2NO2 (g) 2NO(g) + O2 (g) → 2NO2 (g) ΔΗ = -114.2 kJ…

A:

Q: the enthalpy for the decomposition of liquid water into gaseous hydrogen and oxygen

A:

Q: The standard enthalpy change for the following reaction is -731 kJ at 298 K. 2 N2(g) + 4 H2(g) + 3…

A: Rule : on dividing the reaction with any constant, the value of enthalpy change also gets divided by…

Q: Consider the hypothetical reaction: A + 3B → 2C, which gives ΔH0 = 357.2 kJ. Determine the enthalpy…

A: To determine the enthalpy of the reverse reaction, just change the sign of the given enthalpy value.…

Q: Does the standard enthalpy of formation of H2O(g) differ from ΔH° for the reaction 2H2(g) + O2(g) ⟶…

A: The change in enthalpy of the reaction is equal to the difference between the enthalpies of…

Q: What is the enthalpy of the reaction at 298 K, in kJ, for. 2 H2 (g) + 02 (g) 2 H20 (g)

A: ∆H for reaction is the difference of products of energy to the reactants of energy.

Q: In a coffee-cup calorimeter, 1.59 g NH4NO3 is mixed with 74.3 g water at an initial temperature of…

A: Enthalpy change of dissolution is calculated as : ∆H = - q / n  where , n = moles  q = heat of…

Q: Zinc is commonly found in nature in the form of the min- eral sphalerite (ZnS). A step in the…

A: (a) Given reaction:

Q: What is the standard enthalpy of formation of carbon dioxide?

A: The change in enthalpy when one mole of compound is created from its constituents from their most…

Q: What is the value of the standard enthalpy of formation of an element in its stable form?

A: Standard enthalpy of formation: The change of enthalpy during the formation of 1 mole of substance…

Q: Calculate the enthalpy change when 14.5 g of water vapor condenses to liquid water

A: The enthalpy change related with changing a gas into liquid is known as the heat of condensation or…

Q: For the chemical reaction H2 (g) + F2 (g) – 2 HF (g) AH° = -79.2 kJ/mol. %3D What is the enthalpy…

A: The given enthalpy of the reaction is -79.2 kJ/mol for the reaction: H2 (g) + F2 (g) → 2HF (g)

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

A: To calculate enthalpy for reaction:

Q: the following two reactions: (1) N2(g) + 2O2(g) -> 2NO2(g)...... ΔH° = 66.4 kJ (2) 2N2O(g) ->…

A:

Q: A chemist measures the enthalpy change AH during the following reaction: 2 Al(OH)3(5)→Al,O3(s) + 3…

A: It is amount of enrgy released (or) absorbed during chemical reaction symbol : ∆Hrxn  If energy…

Q: The enthalpy for the formation of 1 mole of NH3(aq)NH3(aq) is -80.29 kJ/molkJ/mol. What is the…

A: The standard molar enthalpy of formation is defined as the standard change in enthalpy for the…

Q: Cu (s) + 2 Ag+ (aq) -> Cu2+ (aq) + 2 Ag (s)   Use the standard enthalpies of formation to…

A: The standard change in enthalpy of reaction can be calculted by using the standard enthalpy of…

Q: Using the provided table, determine the enthalpy for the reaction 2 K(s) + 2 H,O(1) → 2 KOH (aq)…

A: The chemical reaction is:2 K (s)+ 2H2O (l) → 2KOH (aq)+H2 (g)         ∆HrGiven: ∆Hf° {K (s)} = 0∆Hf°…

Q: Calculate the enthalpy change for the thermite reaction: 2Al(s) +Fe2O3(s)→2FE(s) + A½O3(s), A¡H° =…

A: The given enthalpy is for the stochiometric moles of aluminum given in the reaction so for the given…