200 ° C, the numerical value of Kc for the following reaction is 8 × 10-³. PCl5 = PCl3 + Cl2 deltaH = + 124 kj / mol a) Write the expression of Kc for this reaction. b) What are the units of Kc? c) What is the value

Q: When 2.00 grams of solid sodium hydroxide dissolves in 100.0 ml of water in a coffee-cup…

A: The energy released by NaOH when dissolving is equal to the heat absorbed by water to raise the…

Q: When 25.0 mL of 1.0 M H₂SO is added to 50 ml of 1.0 M NaOH at 25 °C in a calorimeter, the…

A: ∆H in kJ can be calculated using formula :  ∆H = -q  Where , q is heat released or absorbed and is…

Q: 9. Calculate AH for the following reaction: 2B (s)+ 3,0,(g) → B,0, (s) Use the following reactions…

A: Answer:

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

A:

Q: The value of AH° for the reaction below is -72 kJ. kJ of heat are released when 5.5 mol of HBr is…

A:

Q: 40. Determine the enthalpy of the reaction: S (s) + 3/2 O2 (g) → SO; (g), given the following…

A:

Q: Given the reaction: 4 Fe(s) + 302(g) → 2 Fe203(s) A H= -1652 kJ, what is the enthalpy change when…

A: for a given reaction, 4 Fe(s) + 3 O2(g) → 2 Fe2O3(s) enthalpy change, Δ H = -1652 KJ

Q: AH° for the following chemical reactions are: so, (8) + H;O(1) → H;SO, (1) Bao (s) + so, (8) → Baso,…

A:

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: HI is formed from the reaction of H, and I, according to the following reaction. H2(g) + I2(g) =…

A: The spontaneous nature of the reaction is determined by calculating the change of free energy of the…

Q: Calculate the AH for the reaction: CH4 (g) +4 Cl2 (g) → CCl4 (g) + 4HC1 (g) using the standard…

A:

Q: ₂0 and 0.444 J/g.°C for Fe. eat capacity of the calorimeter = 3/°C

A: The calorimetry rule says, Heat lost by iron = Heat gained by calorimeter + water Heat lost=mc∆T…

Q: Zinc metal reacts with HCI according to the following balanced equation: Zn(s) + 2HCI(aq) -->…

A: Given : volume = 47.0 ml density = 1.03 g / ml specific heat = 4.184J /g°c temperature change of…

Q: The specific heat of octane, C8H181l2, is 2.22 J>g@K. (a) Howmany J of heat are needed to raise…

A: Molar mass of octane: 114 g/molSpecific heat: 2.22 J/g-K Molar mass of water: 18 g/molSpecific heat:…

Q: A 200 ml sample of 0.600 M aqueous hydrochloric acid is added to 300 mL of 0.400 M aqueous ammonia…

A:

Q: 1. Calculate the AH for the reaction 2S + 20F, 2(g) SO, o)+ SFAlg) 2 (g) rxn (6), using the…

A: Note: Since we solve one question at a time, we’ll answer the first question as the exact one wasn’t…

Q: SO3 (9) Calculate the AHO for the reaction S 2(g) rxn using these two reactions: AH = -296.8 kJ Se +…

A: A reaction can be determined by the addition or subtraction of elementary reaction. Elementary…

Q: What is the enthalpy change, Delta Hrxn, for the following reaction?      2 RbI (s)  +  Cl2 (g)…

A: Enthalpy is a state function, so we determine the change of enthalpy of a reaction by subtracting…

Q: Consider the combustion of liquid methanol, CH30H (1) CH,OH() + 0:(8) – co.(8) + 2 H,0(1) AH =…

A: Given  CH3OH(l) + (3/2) O2(g) ---> CO2(g) + 2H2O (l)  ∆H = -726.5 kJ

Q: 4Al(s) + 302(g)- - 2AI2O3(s) AH°rxn = -3351.4 kJ How much energy is transferred when 15.5 g of Al2O3…

A: We can solve the problem by determining the moles of aluminium oxide produced. Data given : ∆H0 = -…

Q: 4.3. Follow these values of AH in the similar condition of these reaction: (1) 2SO2(g) + Oz(g) =…

A:

Q: 4. When 1.50 g of Ba(s) is added to 100.00 g of water in a container open to the atmosphere, the…

A: Given: Mass of Ba = 1.5 gMass of H2O = 100 gSpecific heat of solution = 4.18 J/g.°CInitial…

Q: Calculate "q" (in kJ) for the following reaction if 11.35 grams of SO2(g) reacted with excess…

A: We have reaction of  11.35 g of SO2 with excess oxygen we have to calculate the q for this.

Q: CaC2.  Given the thermochemical equations below, calculate the ΔHfo for acetylene in kJ/rxn.…

A: We have given that ., CaO(s) + H2O(l) --->  Ca(OH)2(s)                                 ΔH = -…

Q: Calculate “q” (in kJ) for the following reaction if 11.53 grams of O2(g) reacted with excess sulfur…

A:

Q: Consider the combustion of liquid methanol, ??3?? (?) CH3OH (l) + 3/2 O2 (g) → CO2 (g) + 2 H2O (l)…

A: Given reaction is :  CH3OH (l) + 3/2 O2 (g) → CO2 (g) + 2 H2O (l) Enthalpy change of the reaction in…

Q: MTBE, a gasoline additive, undergoes combustion according to the following equation: 2 C5H12O…

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

Q: Use the following data to determine the AH° for the conversion c C(s,diamond) +O,(g) CO,(g) AH°=…

A: We will add all three equation to get final equation.

Q: A chemist measures the enthalpy change AH during the following reaction: Fe(s) + 2 HCl(g)→F€C1,(s) +…

A:

Q: 3. Calculate the AH for the reaction NO(g) + O(g) NO2(g) given the following information: NO(g) +…

A:

Q: Given the following data: 203(g) 302(g) O(g) 20(g) NO(g) + 0;(g) → NO,(g) + 0,(g) AH=-427 kJ AH=…

A:

Q: Calculate AH for each of the following reactions (use the data in Appendix II): (a) 2 CH10 (g) + 13…

A:

Q: Calculate AH for the reaction, C,H,(g) + H,(g) → C,H,(g) Given: (a) 2 C,H,(g) + 5 0,(g) →4 CO,(g) +2…

A:

Q: 1. Calculate the AHO for the reaction 2S + 20F, 2(g) SO (9) + SF 2 (g) 4(g) rxn 6), using the…

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

Q: Given the following reactions N2 13 + O2 (g) → 2 NO 13) AHn = +178 kJ NO2 g NO g + 1/2 02 (g) AHren=…

A: From given two chemical equation we have to calculate the enthalpy change for the reaction : 4 NO…

Q: When 2 moles of C2H6(g) react with O2(g) to form CO2(g) and H2O(g) according to the following…

A: Given : Amount of heat evolved in the reaction = 2.86 X 103 KJ And moles of C2H6 reacted = 2 moles

Q: Calculate the AH° for the following reaction using the information below it. C,H¿(2); → CH4(g); →…

A: Given data, C(s)+2H2(g)→CH4(g)           ;∆Ho1=-75kJ2CH4(g)→C2H6(g)+H2(g)     ;∆Ho2=65kJ

Q: 10. Calculate AH for the reaction CH4 (g) + NH3 (g) → HCN (g) + 3 H2 (g), given: a. N2 (g) + 3 H2…

A: Ans  Enthalpy change for the reaction can be calculated by using Hess laws

Q: 2. Calculate AH for the reaction: CH4 (g) + 4 Cl2 (g) CCI4 (g) +4 HCI (g) Use the following…

A: We have to calculate ∆Hrxn for the reaction CH4(g) + 4Cl2(g) → CCl4(g) + 4HCl(g).

Q: g/mol 2. When 4.98 g of NaOH was dissolved in 49.72 g of water in a calorimeter at 23.7°C, the…

A: Question 2 :- When a 4.98 g of NaOH was dissolved in 49.72 g of water in a calorimeter at 23.7°C…

Q: Calculate the ΔHo for methane gas , CH4, produced from graphite and hydrogen gas according to the…

A: The enthalpy change is defined as the amount of heat absorbed or evolved in the transformation of…

Q: Determine ΔH for the third reaction from the information given.   C3H8(g) + 3 H2O(g) ↔ 3 CO(g) + 7…

A: Calculating ∆H for the given reaction by multiplying second reaction by 3 and adding to reaction 1.

Q: Silver bromide is used to coat ordinary black-and-white photographic film, while high-speed film…

A:

Q: Calculate qrxn for the reaction that occurs when 25.0 mL of 1.00 M HCl are added to 25.0 mL of 1.00…

A: The volume of 1.00 M HCl added to the 25.0 mL of 1.00 M NaOH is 25.0 mL. The initial temperature is…

Q: When 1 mole of HCl(g) reacts with NH3(g) to form NH4Cl(s) according to the following equation, 176…

A: Given : Amount of heat evolved in the reaction = 176 KJ And moles of HCl reacted = 1 mol

Q: If ∆Hf° for the following substances are as follows, Ca(OH)2 is -986.6kJ/mole, H3AsO4 is -900.4…

A: Given, ∆Hf° of Ca(OH)2 : -986.6 kJ/mole ∆Hf° of H3AsO4 :  -900.4 kJ/mole ∆Hf° of Ca(H2AsO4)2 :…

Q: When 1 mole of P4O10(s) reacts with H2O(l) to form H3PO4(aq) according to the following equation,…

A: Given data: 1P4O10(s) + 6H2O(l) -------->> 4H3PO4(aq) + 453kJ Exothermic reaction: A reaction…

Q: 4. 56.0 ml of 1.5 M HCl is mixed with 68.5 mL of 1.33 M NAOH in a calorimeter cup (C= 55.35 J/ C) If…

A: Given that : The volume of HCl=56.0 mLThe molarity of HCl=1.5 MThe volume of NaOH=68.5 mLThe…