Without doing any calculations, predict the sign of ΔH foreach of the following reactions:(a) 2 NO2(g)--->N2O4(g)(b) 2 F(g)------>F2(g)(c) Mg2+(g) + 2 Cl-(g)---->MgCl2(s)(d) HBr(g)----->H(g) + Br(g)

Q: Without doing any calculations, determine the sign of ASys and ASurr for each chemical reaction. In…

A: To determine the sign of ∆S syst and ∆Ssurr for the following reactions:

Q: Without reference to any data tables, choose which member of following pairs has the lesser…

A: (27) H2O(l) or H2O(s) B has the lesser amount of entropy.

Q: Classify the possible combinations of signs for a reaction's Δ?ΔH and Δ?ΔS values by the resulting…

A: The Gibb’s free energy change is expressed as:

Q: The following equation represents the essential change that takes place during the fermentation of…

A: Entropy is used to determine the randomness of the system.

Q: Methanol is relatively inexpensive to produce. Much consideration has been given to using it as a…

A: ∆SCH3OH = 126.8 kJ/mol ∆SCH4 = 186.264 kJ/mol ∆So2 = 205 kJ/mol

Q: 6. A reaction has a AH° of -29 kJ and AS° is -60. J/K. Calculate the temperatu from spontaneous to…

A: Spontaneous reactions are those reactions which proceed on their own without any external force.…

Q: Of the following, which system shows a decrease in entropy? A CHJOH (ACH3OH (g) B. NaCI (s- Na (ag)…

A:

Q: Consider the following equation:                       C2H4 (g)    +    H2 (g)   →    C2H6 (g)…

A:

Q: The air bags that provide protection in automobiles in theevent of an accident expand because of a…

A: The air bags that provides protection in the automoblies during the aciidents is a sponataneous and…

Q: Consider the reaction 2O(g) → O2(g) Predict the signs of ΔH and ΔS Would the reaction be more…

A: Given: 2O(g) → O2(g)

Q: Predict the sign of the entropy change, AS, for the following processes. Explain the reason for each…

A: Entropy is a thermodynamic quantity, it measures the randomness or disorderness of a molecule or…

Q: The give reaction is C6H12O6 (s) + O₂(g) → CO₂ (g) + H₂O (1) Asrxnnxsº (products)->nxsº (reactants)…

A:

Q: In photosynthesis, plants form glucose (C,H1206) and oxygen from carbon dioxide and water. Write a…

A: The balanced equation for photosynthesis is: 6CO2(g)+6H2O(l)→hvC6H12O6(s)+6O2(g) Determination of…

Q: Predict the sign of ∆Ssys for each of the following processes: Gaseous CO reacts with gaseous H2 to…

A: Entropy of the system is a measure of its randomness.If the number of molesare more,entropy will be…

Q: Predict the sign of ΔU, q, and w in the reaction given. 2C₆H₆ (s) + 7O₂ (g) → 4CO₂ (g) + 6H₂O (g)

A: ∆U = +ve q = +ve w = -ve

Q: Predict the algebraic sign of the entropy change for the following reactions. a. PCl3 (g) + Cl2 (g)…

A: Entropy is a measure of degree of randomness of a reaction. The entropy of the substances follows…

Q: Determine the: a. Heat of the reaction, AH b. AS c. AG at 25°C for the combustion of ammonia,…

A: a.

Q: Predict the sign of the entropy change of the system foreach of the following reactions:(a) N2(g) +…

A: We will answer first three subparts at a time since you have not mentioned the exact subparts that…

Q: Which of the following processes are spontaneous and which are nonspontaneous:formation of CH4 and…

A:

Q: D. PCI, (s) → PCI,(1) + Cl, (g) The entropy, ASixn, mol Angas decreases. increases. has little or no…

A:

Q: Without doing a calculation, predict whether the entropy change will be positive or negative when…

A:

Q: What do you expect for the sign of ΔS in a chemicalreaction in which 2 mol of gaseous reactants are…

A: is the change in entropy. Entropy is the measure of randomness or disorders. In a reaction, if the…

Q: For a reaction for which ∆H = -142 kJ/mol and ∆S = -178 J/mol･K, which of the following statements…

A: Applying spontaneity criteria for ∆G -ve.

Q: Without doing a calculation, predict the sign of ΔS for each of the following reactions:

A: Given : We have to predict the sign of entropy.

Q: Calculate Delta G^o for the following reaction at 25Celsius.  What is k of reaction? What type of…

A: The reaction given is, => C2H4 (g) + O2 (g) → CO2 (g) + H2O (g)

Q: Predict the sign of the entropy change, AS, for the following processes. Indicate the reason for…

A: The reactions given are,

Q: Classify the possible combinations of signs for a reaction's AH and AS values by the resulting…

A:

Q: 3. For each of the following reactions, predict the sign of the entropy change (AS). Justify your…

A:

Q: In which one of the following processes does the entropy of the system decrease?   A.  Evaporation…

A: Entropy is defined as the disorderness of a thermodynamic system.

Q: 4 NH3 (g) + 5 O2 (g) -4 NO (g) + 6 HzO (g) ArHo = -906 kJ For the reaction above, predict the sign…

A:

Q: 3. Calculate the standard free-energy change ( AG° ) at 25°C for the reaction 2H2(g) + N2(g) =N¿H4…

A:

Q: Calculate the AHn for the formation of 1 mole of PbOs) from lead metal and oxygen gas, given the…

A:

Q: Calculate the change in entropy that occurs in the system when 40.7 g of acetone (C3 H6O) vaporizes…

A: entropy change calculation during the process of vaporization:

Q: Which of the following relationships is correct? A) Delta G > 0 represents an increase in kinetic…

A: Free energy is a measure of spontaneity of chemical process.

Q: Predict the sign of the entropy change of the system for each of the following reactions: (a) N2(g)…

A:

Q: Which of the following processes are spontaneous andwhich are nonspontaneous: (a) the ripening of a…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: Calculate the standard free-energy change (ΔGo) at 25°C for the reaction H2(g)+O2(g) ⇌ H2O2(l)

A:

Q: How does the entropy of ice at −5°C diff er, if at all, from its entropy at −50°C?

A: Entropy- Entropy is a thermodynamic property. Entropy determines tendency of process. Tendency means…

Q: Predict the sign of ΔSorxn (positive or negative) for the following reactions:…

A:

Q: Directions: Predict whether the entropy change of the system in each of the following reactions is…

A: Entropy change (ΔS) is the difference in the number of moles (n) of products and the reactants.

Q: Predict the sign of ΔS0 for the following reactions and justify your answers: CS2 (l) ----> CS2 (g)…

A: For any reaction, ΔS0 is given by  => ΔS0 = sum of (S0 (products)) - sum of (S0 (reactants))…

Q: Use the table below to answer the questions that follow. The value of standard entropy change, AS°,…

A:

Q: What are the sign and magnitude of the entropy change for the reaction? Does the sign of Δ

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

Q: Predict the sign of entropy. Write P if it is positive and N for negative. • sugar dissolving in tea…

A: Entropy is defined as the randomness of the system.

Q: In photosynthesis, plants form glucose (C6H12O6) and oxygen from carbon dioxide and water. Write a…

A: Photosynthesis It is a process in which green plants make their own food and convert light energy…

Q: What is the temperature at which the reaction below becomes spontaneous, if the standard entropies…

A:

Q: 1. The heat of fusion for water is 333.6 J/g. What is the entropy change for the universe when 1.00…

A:

Q: III. Without reference to any data tables, choose which member of the following pairs has the…

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

Q: (Q66). What is the change in entropy (in J/K) when 14.1 g of liquid hexane boils at its normal…

A: ∆Suniverse = ∆Ssystem + ∆Ssurrounding . And ∆Ssurrounding = - ∆Hreaction / T.

Q: When two crystalline solids X and Y are mixed in a beaker at room temperature, a spontaneous…

A: Given: Temperature is decreased or low Reaction is spontaneous