3. Calculate the AH° for the reaction Caraphite) + 2H, CH 2(g) 4(g) from the following enthalpy changes: CO 219) AH = -393.5 kJ Caraphie) + O20) + O 2(g) AH = -571.6 kJ 2H, 2H,0m 2(g) 2(g) AH = -890.4 kJ CH + 20. 2(9) CO + 2H,0 2(g)

Q: What is the enthalpy of formation (AH°;) of NaHCO3(s) from its constituent elements?

A:

Q: Given the standard enthalpy changes for the following two reactions: (1) Hg(1) + Cl½(g)–→HgCl½(s)…

A: Thermodynamic is the branch of chemistry that mainly deals with the heat transfer between system and…

Q: 2) Calculate AH for the reaction: 2N;H,(1) + 202(g) → 2N2(g) + 4H2O(1I) given the following data:…

A: Given that : We have to calculate the ∆H for the given reaction : We have to use the below given…

Q: Given the standard enthalpy changes for the following two reactions: (1) 2Hg(l) + O2(g) ->…

A: ΔH° =  267 kJ

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: H3C. (k) Og Zn/CH,COOH H3C heat 1R

A: The given reaction is the example of Diels alder reaction. In the second step ozonolysis of alkene…

Q: From the change in internal energy, AE, given for 185 °C, calculate the change in enthalpy, AH, at…

A: Relation between ΔH and ΔE, ΔH = ΔE + ΔnRT

Q: Given the standard enthalpy changes for the following two reactions: (1) 2C(s) + H2(g) C,H2(g) AH° =…

A: Given that: 1)  2C(s) + H2(g)......> C2H2(g)  dH° = 226.7KJ  2) 2C(s) + 2H2(g) ....> C2H4(g)…

Q: The combustion of propane gas leads to formation of carbon dioxide and water by the following…

A: Answer:- firstly from the balanced chemical equation and the enthalpy of reaction , moles of carbon…

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

A: Given  4C(s) + 5H2(g)  ------>  C4H10 (g)               ∆H°  = - 125.6 KJ       ( Equation 1 )…

Q: e standard enthalpy change

A:

Q: 18. For the following combustion reaction of benzoic acid (HC7H5O2; molar mass = 122.1 g/mol)…

A: Final temperature would be 30.2°C (option C).

Q: Given the standard enthalpy changes for the following two reactions: (1) 2Hg(l) +…

A:

Q: Given the standard enthalpy changes for the following two reactions: (1) 2Pb(s) +…

A:

Q: What is the standard enthalpy change for the reaction: 2C5H10(1) + 15O2(g) →10CO2(g) + 10H20(1);…

A: The given data- The enthalpy of formation for : C6H6(l) =-605.0 kJ/mol CO2(g) = -393.5 kJ/mol H2O(l)…

Q: Given the standard enthalpy changes for the following two reactions: (1) 2Pb(s) +…

A: This problem can be solved using Hesse's law of constant heat summation.

Q: 36. The standard enthalpy (AH) for the reaction of CaCO, with HCI CaCo, + 2 HCI → CaCl, + H,0• CO, +…

A: Enthalpy is a thermodynamic quantity which are extensive property

Q: Calculate the standard enthalpy change (in kJ/mol) for the reaction 2C3H18(1) + 2102(g) – 8CO(g) +…

A: We have to calculate standard enthalpy (ΔHo) for the following reaction:- 2C8 H18(l) + 21O2(g) →8CO…

Q: Calculate the standard enthalpy change for the reaction 2C8H18() + 1702(9) → 16CO(9) + 18H20().…

A: To determine the value of ∆H° for the reaction given below as; 2 C8H18 l   +   17 O2 g   →    16 CO…

Q: The dissolution of calcium chloride in water CaCl2(s) → Ca²+(aq) + 2 Cl¯(aq) is used in first-aid…

A: Given that, Mass of CaCl2 = 20.0 g  Volume of water = 0.100 L  Temperature = 20.0°C To find:…

Q: Given the standard enthalpy changes for the following two reactions: (1) N₂(g) +202 (g) → 2NO2 (9)…

A: According to Hess's law change of enthalpy in a chemical reaction is same regardless of whether the…

Q: 1. The molar heat capacity of liquid water, Cv, is 75 J K-¹ mol-¹. (a) Calculate the change in…

A: Answer: When water is heated from 250C to 1000C water sample will absorb the energy during this…

Q: Ammonium sulfate, (NH,),SO4, is used as a fire retardant and wood preservative; it is prepared…

A: Molar mass of (NH4)2SO4 = 132 g/mol Standard enthalpy of formation of ammonium sulfate ( in…

Q: For the oxidation of iron to form iron(III) oxide: 4Fe(s) + 3O2(g) ⟷⟷ 2Fe2O3(s)…

A: ΔSo = –549.73 J∙K–1 T = 298K ΔH = –824.2 kJ∙mol–1 = -824200 Jmol-1

Q: Calculate the standard enthalpy change for the reaction 2C8H18() + 1702(g) -16CO(g) + 18H20(). Given…

A:

Q: 10 of 11 <. Consider these reactions, where M represents a generic metal. 1. 2 M(s) + 6 HCI(aq) 2…

A: Delta H Is calculated as follows

Q: Given the standard enthalpy changes for the following two reactions: (1) 2Hg(l)+O2(g) 2HBO(s) AH°…

A:

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

A:

Q: Fe O3(s) + 3CO(g) → 2Fe(s) + 3CO;g); AH® = -26.8 kJ %3D FeO(s) + CO(g) -Fe(s) + CO2(g); AH° = -16.5…

A: The given equations are Let us number the final equation to be number 3.

Q: Given the standard enthalpy changes for the following two reactions: (1) 2Fe(s) + O2(g)=…

A:

Q: What is the standard 2C5H10(1) + 1502(g

A: Change of enthalpy during the formation of 1 mole of the substance from its constituent elements…

Q: Calculating enthalpy: a) Given 2Fe(s) + 1.5 O₂(g) → Fe₂O3 (S) AH, = = -206 kJ mol-¹, 3 Fe(s) + 2…

A:

Q: Given the standard enthalpy changes for the following two reactions: (1) Sn(s) + Cl½(g}→SnCl½(s) AH°…

A: Enthalpy (H) is a state function. Hess's Law of constant heat summation: If a chemical reaction…

Q: The standard enthalpy change of combustion [to CO2(g) and H2O()] at 25°C of the organic solid…

A:

Environmental Pollution

Environmental pollution occurs due to some unwanted alteration in the surroundings which results in unfavorable effects on all organisms of that surrounding.