The air bags that provide protection in automobiles in theevent of an accident expand because of a rapid chemical reaction.From the viewpoint of the chemical reactants as thesystem, what do you expect for the signs of q and w in thisprocess?

Q: The normal boiling point of Br2(l) is 58.8 ∘C, and it'smolar enthalpy of vapor Calculate the value…

A: The molar enthalpy of vaporization is 29.6 kJ/mol Temperature = 58.8 + 273 = 331.8 K

Q: 85. for the following reaction at 25°C and 1 atm: XeF,(g) → XeF,(s) + F,(g) AH¡ (kJ/mol) S° (J/K…

A: Given, And,

Q: Consider the reaction CS2 (g) + 4H2 (g) CH4 (g) + 2H,S(g) a. Calculate AH°, AS° , and AG° at 25°C…

A: To solve this problem first we calculate ∆H° and then ∆S° and by using  ∆G° = ∆H° - T∆S°  we will…

Q: If energy flows out of a chemical system and into thesurroundings, what is the sign of ∆Esystem?

A: A body of a substance or matter which has specified walls and permeabilities that separates it from…

Q: Q2. Define () the following (in English words). 1. Second law of thermodynamics: 2. Intermolecular…

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Q: b. Using the following data, please calculate AHºrn (in kJ mol (in mol K as unit, with 1 decimal)…

A: (a) The given reaction is 2N2H4(g) + N2O4(g) →3N2(g)+4H2O(g) The reactants side has (2+1)=3 gaseous…

Q: Consider the following reaction and the tabulated thermochemical data at 298 K. 4 NH32) + 5 O2g) → 6…

A: Answer: This question is based on the relationship between Gibbs free energy change, standard Gibbs…

Q: If the AH = 179 kJ/mol and AS = 104 J/K mol, at what temperature does this reaction become…

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Q: 3.) Consider the reaction below. Reaction: 2 ICI (g) 1: (g) Cl: (g) AH°f 17.78 (kJ/mole) S° 247.551…

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Q: 19) The value of AH° for the following reaction is -3351 kJ: 2Al (s) + 302(g) - 2Al2O3(s) The value…

A: Step 1: The standard enthalpy of the formation of an element in its most stable form is zero. Hence,…

Q: The deltaH of formation of MnO2 (s) is -520.0 kJ. Given that and the following data: 2Mn (s) + O2…

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Q: ( 51 FQ² 3 4 0 1 The diagram shows G versus Q at 25°C for H₂O() = H₂O(g) At which point does the…

A: Answer:For any reaction, value of reaction quotient is always equal to the ratio of partial pressure…

Q: 1. Hydrogen gas is dangerous because it explodes spontaneously and explosively. In the hydrogen gas…

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Q: 7.) Two blocks of Cu, one mass 100 g and the other mass 150 g, are placed in thermal contact with…

A: Answer:- This question is answered by using the simple concept of calorimetry which states that heat…

Q: The values of delta Horxn and delta Sorxn for the reaction  2 NO(g) + O2(g) --> 2NO2(g)    are…

A: Given, 2 NO(g) + O2(g) --> 2NO2(g)   Horxn =  -12kJ = -12000 J  Sorxn = -146J/K         T = 298K…

Q: DSSUR…

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Q: Determine wether HgO(s) spontaneously decomposes into Hg(l) and O2(g) at 120 degrees Celsius.

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Q: The value of for the reaction below is -72 kJ. When one mole of HBr is formed in this reaction, the…

A:

Q: A 1.0 mol sample of argon is heated from 25ºC to 125ºC, and the corresponding pressure change is…

A: initial temperature, T1 = 25ºC = 298K final temperature, T2 = 125ºC = 398K initial pressure, P1 =…

Q: Calculate AS°for the following reaction: SnCl (1) → SnCl(g). A 625 J/K в) -107 JУК 107 J/K D -625…

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Q: Use the observations about each chemical reaction in the table below to decide the sign (positive or…

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Q: What do you expect for the sign of ∆S in a chemical reaction in which 2 mol of gaseous reactants are…

A: Entropy is the measure of the randomness in the molecules or atoms. The entropy of gases is more…

Q: B der no Determine el AG para la siguiente reacción: AG SO3 = -370.4 kJ, AG, SO₂ = -300.4 kJ 2…

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Q: (a) 2H2O2(1) 2H20(1) + O2(g) (b) HCI(g) + NAOH(s) NaCI(s) + H2O(1)

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Q: In the reversible expansion of an ideal gas at 300.00 K from 1.00 to 5.00 liters, where the gas has…

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Q: A reaction produces a value for ΔSuniv of -2,700 J/K at 295 K.     spontaneous…

A: Thermodynamics is the branch of chemistry which deals with the study of heat and other forms of…

Q: What is the AH° rxn (in kJ/mol) for the reaction A + B --> 2C, given the values below? Substance…

A: For a chemical reaction, the enthalpy of reaction (∆Hrxn) is the difference in enthalpy between…

Q: Itwas found that AS is 10 J/K for a reversible process. What are the values ofASurrounding and AS,…

A: Entropy is the disorderliness or randomness of the reaction. The change in enthalpy (∆S) can be…

Q: Below is a list of Enthalpies of Formation. Substance Δ??(?????)ΔHf(kJmol) C3H8(g) -104.7 O2(g) 0…

A: Introduction: The total amount of energy of a system is called enthalpy and the heat of formation is…

Q: Hint: No calculations are required. For the reaction CO:(g) + H2(g)CO(g) + H20(g) AH° = 41.2 kJ and…

A: Dear student I have given answer to your question in the image format.

Q: 6. Photosynthesis can be represented by the equation 6CO:(g) + 6H,O(1I) = CH1,O6(s) + 60;(g) a)…

A: Entropy is the degree to measure the randomness of an element. The change in entropy of a reaction…

Q: If the AH = 131 kJ/mol and AS = become spontaneous? 72 J/K mol, at what temperature does this…

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Q: At -8.15 °C the pressure equilibrium constant K, =3.8 for a certain reaction. Here are some facts…

A: We could have used the Van't Hoff isotherm equation to predict the Kp of the reaction at different…

Q: t temperature doe

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Q: Given that for the melting of sodium chloride AHfusion = 28.16 kJ/mol and ASfusion = 26.22 J/(K·…

A: Given ΔHfus = 28.16 kJ/mol = 28160 J/mol ΔSfus = 26.22 J/(mol.K)

Q: Calculate ASuniy for the following reaction at 300K. 2 NO(g) O2(g) 2NO2(g) AHxn = -114 kJ ASrxn =…

A: Solution-

Q: If the AH = 287 kJ/mol and AS = 57 J/K mol for a nonspontaneous reaction, at what temperature does…

A: Thermodynamics is branch of chemistry in which we deal with amount of heat evolved or absorbed by…

Q: Theoretically, one can obtain zinc from an ore containing zinc sulfide, ZnS, by the reaction ZnS(s)…

A: Answer given below

Q: If the AH = 149 kJ/mol and AS = 130 J/K mol, at what temperature does this reaction become…

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Q: For the reaction below, determine the difference in relevant particles that alloW for determination…

A: Interpretation -  To determine the difference in the relevant particle that are allow for the…

Q: A. Predict the sign of AS', if possible, for each of the following reactions. If you cannot predict…

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Q: Consider the reaction at 298 K. 2 C(graphite) + 0,(g) → 2CO(g) AH° = -221.0 kJ/mol Calculate the…

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Q: For a certain chemical reaction, ∆H° = -35.4 kJ and ∆S° = -85.5 J>K. (a) Is the reaction…

A: The heat given off or absorbed in a chemical reaction is known as heat of the reaction. On the basis…

Q: Without doing any calculations, determine the sign of AS, for each chemical reaction. a. 2 KCIO,(s)…

A: The sign ΔSsys for any reaction can be directly checked by looking at the number of gaseous…