Consider the melting of ice at 0.0 °C and 1.0 atm of pressure. ASsys is negative and ASgurr is negative. ASsys is positive and ASsurr Is positive. ASsys is negative and ASgurr is positive. ASsys is positive and ASsurr is negative. O Asys is positive and ASurr Can not be determined without more information. O ASsys is negative and AS,urr can not be determined without more information.

Q: Predict the sign of AS for the following reaction. LOH O positive O negative O no change

A: The given reaction is:Determine the sign of .Entropy is the measurement of randomness. The greater…

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

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Q: If the AH = 238 kJ/mol and AS = 59 J/K mol, at what temperature does this reaction become…

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Q: 0 g each of three metals, A, B and C absord the same amount of heat. The temperature of A increases…

A: Heat capacity is an intrinsic physical property of a substance . It is the measure of the amount of…

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: Determine whether work is positive or negative or zero for the following chemical process assume the…

A: For the reaction ∆n = 0  means as 2 mole of gas is forming 2 moles of gas.

Q: A student calculates qrxn to be -3.88 kJ, what sign will ΔHrxn have? and is the reaction exothermic…

A: At constant pressure the change in enthalpy of the reaction (ΔHrxn) is equal to heat of the reaction…

Q: After a snowfall the snow compacts and when the sun shines on it, it sublimes readily.  What is the…

A: Given :  After a snowfall the snow compacts and when the sun shines on it, it sublimes readily.…

Q: Consider the energy diagram. Products Does this diagram represent an increase or decrease in the…

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Q: 4. Determine the normal melting point of carbon tetrachloride ( in °C) given the following data: AS…

A: Given that : ∆H°fus=2.67 kJ/mol=2.67×103 J/mol∆S°fus=10.86 J/mol.K We have to calculate the normal…

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Q: f AH for the process H20(g) H2O(1) is:

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Q: All changes saved 1. A glass of ice water is placed on a table on a hot afternoon. Condensation…

A: When ice is taken in a glass kept at the table on a hot afternoon, the condensation of water vapour…

Q: 11. Which is true for this process? solid gas D add heat AS (+) A. It is spontaneous at all…

A: For reaction to be spontaneous we need to check ∆G is negative or positive.If it comes out to be…

Q: The boiling point of ethanol is 78 °C. For which of the following processes will AH, ASPAn, and AGxn…

A: We know for condensation  ∆S=(-)ve as the substance undergoes change in arrangement from orderly to…

Q: A certain liquid has a vapor pressure of 92.0 Torr at 23.0 °C and 303.0 Torr at 45.0 °C. Calculate…

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Q: Sublimation is an example of a process for which a) AH, AS, and AG are negative at all temperatures…

A: Sublimation is the process in which a solid substance directly transforms into its gaseous state…

Q: The sign of AH for the process H20(1) → H20(s) is: O negative, the process is exothermic O positive,…

A: The change in enthaply which is accompanies a chemical reaction, is called he enthalpy of the…

Q: For which set of conditions is the reaction always nonspontaneous? ΔH = + and ΔS = + ΔH = - and…

A: If the value of change in Gibbs free energy delta G is negative reaction is spontaneous if positive…

Q: For a solid subliming to form a gas at a temperature higher than the solid's sublimation point, what…

A: Answer: Entropy is the measure of system's disorderliness or randomness. In possible states system…

Q: A certain liquid has a vapor pressure of 92.0 Torr at 23.0 °C and 231.0 Torr at 45.0 °C. Calculate…

A: Given, P1= 92 torrT1=23°C =(23+273)K=296 KP2=231.0 torrT2=45°C =(45+273)K=318 K

Q: When you add water to a small amount of sodium chloride (NaCl), the solid dissolved and the solution…

A: The question is based on the concept of chemical thermodynamics . we need to explain effect on…

Q: 6. For each of the following processes, deduce whether the quantities q, w, AU, and AH are positive,…

A: The spontaneity and the feasibility of a reaction can be explained by using the thermodynamic…

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

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Q: 19. Consider the following reaction, which is spontaneous at room temperature. NH3(g) + BF3(g) →…

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Q: For the synthesis of nitrogen dioxide, NO2: 2N2(g) + O2(g) →2NO2(g) this reaction has the energy…

A: The equilibrium reaction taking place is given as, => N2 (g) + 2 O2 (g) -------> 2 NO2 (g)…

Q: Write a balanced formation equation for each of the following then calculate the value of A Hᵒf. In…

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Q: A reaction with a AH and a AS will never be spontaneous. O positive, negative O positive, positive…

A: A reaction with a ... ∆H and a ... ∆S will never be spontaneous.A spontaneous reaction is the one…

Q: Determine whether work is positive, negative, or zero for the following process.  Assume the…

A: We know, work done by an ideal gas = -P(V2 - V1) So, here we need to determine the volume in each…

Q: A system that does no work but which transfers heat to the surroundings has Select one: a. q > 0, ΔΕ…

A: From the first law of thermodynamics, the relationship between change in internal energy (ΔE), heat…

Q: Select all the inequalities below that correspond to exothermic reactions or processes. A. ΔH > 0…

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