Calculate the ΔSsurr in kJ/K for the following reaction at 50°C. 4 NH3 (g) + 5 O2 (g) → 4 NO (g) + 6 H2O (g)      ΔH°rxn = -906 kJ ΔSsurr=−ΔHsys/T DO NOT include the units with your answer.

Q: CaCl2 (MM = 110.98 g/mol) is used as road salt in the winter to minimize the accumulation of ice on…

A: On adding dissolving CaCl2, the temperature will change from initial value. Heat absorbed by water…

Q: 2.045 g of a new compound with formula C9H8O2 is burned in a bomb calorimeter.  During the…

A:

Q: Determine the value for ΔSsurr for the following reaction at 40.0°C. 2 CO(g)  +  O2(g)  →  2 CO2(g)…

A: Given reaction: 2 CO(g)  +  O2(g)  →  2 CO2(g)     ΔHorxn = –566.0 kJ  We have to find ΔSsurr.

Q: Use Hess's law to calculate ΔG°rxn using the following information.               NO(g) + O(g) →…

A: The first thing to do is to change the bottom three reactions to make it look like the top reaction.…

Q: Given 2Al(s) + (3/2)O2(g) → Al2O3(s), ΔH°f = –1,670 kJ/mol for Al2O3 (s). Determine ΔH° for the…

A: From the given data - 2 Al (s) + 32 O2 (g) →Al2O3 (s) , ∆H°f = -1670 kJ/mol

Q: Given that: ΔHof [NO2(g)] = +34.0 kJ mol−1 ΔHof [NO(g)] = +90.0 kJ mol−1 What is the standard…

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Q: Use the following reference reactions to determine ΔH for the reactions given below. P + 3/2Cl2 →…

A: Given  Reaction   P + 32Cl2   →  PCl3                ∆H = -146.2 KJ/mol                 ( Equation 1…

Q: Hydrogen cyanide is a highly poisonous, volatile liquid. Determine the ΔH for the reaction that…

A: Hess's Law of Constant Heat Summation: If a reaction occurs in multiple stages or steps, the total…

Q: Calculate ΔH for the process: Hg2Cl2 (s) → 2Hg(ℓ) + Cl2(g) from the following information: Hg(ℓ)…

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Q: Use Equations a and b to determine ΔH for the following reaction.2CO(g) + 2NO(g) → 2C O 2 (g) + N 2…

A: The main equation or primary equation can be obtained by inverting equation (b) and then adding it…

Q: Consider the reaction: CaCO3(s) ↔ CaO(s) + CO2(g) The reaction enthalpy and entropy are: ΔHo rx =…

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Q: Sodium hydroxide (39.9971 g/mol) reacts with excess H2SO4 in a constant-pressure calorimeter. The…

A: Given ∆T = 29°CMass of reaction mixture = M = 120 gSpecific heat of solution = Cs = 4.184 J/g°CHeat…

Q: Calculate the ΔH for the reaction: Na2O (s) + SO3 (g) -->  Na2SO4 (g) ΔH

A: Target equation :- Na2O (s) + SO3 (g) -->  Na2SO4 (g)…

Q: The reaction                         CBr4(g) + H2(g)  →  CHBr3(g) + HBr(g) occurs at room…

A: Entropy change is represented by ∆S. It specifies the randomness of a particular system. Entropy…

Q: Determine the value for ΔSsurr for the following reaction at 40.0°C. 2 CO(g)  +  O2(g)  →→  2…

A: Given reaction: 2 CO(g)  +  O2(g)  →  2 CO2(g)     ΔHorxn = –566.0 kJ  We have to find ΔSsurr.…

Q: Consider the equilibrium reaction of CO (g) with H2 (g) to form CH3OH (g). For this reaction, ΔH <…

A: The reaction of CO with H2 forms methanol CH3OH. Write the complete reaction. COg+2H2g→CH3OHg

Q: Calculate Δ?ΔH for the reaction B2H6 (g) +  6 Cl2 (g) ⟶⟶ 2 BCl3 (g) + 6 HCl (g) from the following…

A: We have to Calculate Δ?ΔH for the reaction B2H6 (g) +  6 Cl2 (g) ⟶⟶ 2 BCl3 (g) + 6 HCl (g) from the…

Q: Calculate ΔH for the process: Hg2Cl2 (s) → 2Hg(ℓ) + Cl2(g)   from the following information:…

A:

Q: Use Hess's law to calculate ΔG°rxn using the following information.             CO(g) →  C(s) + 1/2…

A: Record the given data, CO2(g) → C(s) + O2(g)              ΔG°rxn = +394.4 kJ CO(g) + 1/2 O2(g) →…

Q: Above what temperature (in Kelvin) does the following reaction become nonspontaneous?   FeO(s) +…

A: if ΔH and ΔS are both negative , so spontaneous at low temperature , non spontaneous at high temp.…

Q: What is the ΔH for the reaction below?    C2H2(g)  + 3 H2O(l) →  CH4(g) +  O2(g) +  CH3OH(l)…

A:

Q: Consider the reaction  H2(g) + Cl2(g) → 2HCl(g) ΔH = −184.6 kJ / mol If 7.00 moles of H2 react with…

A: Given,

Q: What is the change in internal energy (in kJ/mol) of the given reaction if 2 moles of sulfur dioxide…

A:

Q: Calculate the ΔHo for the reaction, 6NO2(g) + 8NH3(g) → 7N2(g) + 12H2O(l).   N2(g) + 2O2(g) →…

A: Mathematically, if a chemical reaction can be expressed as the sum of two or more chemical…

Q: Ozone (O3) in the atmosphere is subject to reaction with nitric oxide (NO) as O3(g)   +  NO(g)   ->…

A:

Q: Use Hess's law to calculate ΔG° rxn using the following information.  ClO( g) + O 3( g) → Cl( g) +…

A: Given: 1st equation.  2 O3 ( g) → 3 O2 ( g).  ΔG° rxn = +489.6 kJ 2nd equation  Cl(g) + O3(g) →…

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: Consider the following reactions at 298 K. 2 03(g) → 3 O₂(g) O₂(g) → 2 0(g) NO(g) + O3(g) → NO₂(g) +…

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Q: Use data from Appendix attached to calculate ΔS∘rxnΔ�rxn∘ for each of the reactions given.…

A:

Q: Using the following information, calculate the ΔH∘rsn Δ H r s n ° for the reaction between ammonia…

A:

Q: In a coffee-cup calorimeter, 0.800 g of ammonium nitrate is mixed with 37.5g of water at an initial…

A:

Q: Calculate the ΔH°rxn for the following reaction. SiO2(s) + 4HCl(g) → SiCl4(g) + 2H2O(g)   ΔH°f…

A: Given: SiO2(s) + 4HCl(g) → SiCl4(g) + 2H2O(g) ΔH°f [SiO2(s)] = –910.9 kJ/mol; ΔH°f [SiCl4(g)] =…

Q: Use the information provided to determine ΔH°rxn for the following reaction: ΔH°f (kJ/mol) 2…

A:

Q: Calculate the value of ∆H for the following reaction given this additional information; Al (s) +…

A: The expression for change in enthalpy is shown below: ∆H=Σn∆Hfproducts -Σm∆Hfreactants where;…

Q: Using the ΔHo for the reaction calculate the increase in temperature of the resultant salt solution…

A: Recall the given reaction as follows     HClaq + NaOHaq → NaClaq + H2Ol  , ∆Ho=-55.9 kJ/mol Here…

Q: Titanium(IV) oxide is commonly used as a white paint pigment. The compound is produced by the…

A: For a chemical reaction, the enthalpy of the reaction is the difference between products and the…

Q: Methanol, CH3OH , is formed from methane and water in a two‑step process. Step 1:…

A:

Q: Mg(s) + 2 H2O(l) ⟶ Mg(OH)2(s) + 2H2(g) | ∆Hrxn = —353.0 kJ/mol Calculate the number of grams of Mg…

A: Mg(s) + 2 H2O(l) ⟶ Mg(OH)2(s) + 2H2(g) | ∆Hrxn = —353.0 kJ/mol  99 mL of water temperature change =…