Calulate ΔH for the following reaction: 2Mg(s)+O2(g)->2MgO(s) when 4.67g of Mg(s) reacts at constant pressure (ΔHreaction=-1338 kJ).

Q: the following reaction 2 NO (g) +  O2 (g) -> 2 NO2 (g) Horxn = -12 kJ and Sorxn = -146 J/K. a.…

A: Given-> 2NO(g) + O2(g) ---> 2NO2(g) ∆H°rxn = -12 KJ = -12000 J (1 KJ = 1000J) ∆S°rxn = -146J/K…

Q: For the reaction: CS2(g) + 2 H2S(g) CH4(g) + 4S(s) AH = -175 kJ and AS = - 495J/K a. At what…

A: For a reaction to occur spontaneously, delta G should be less than 0

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

A: To determine the difference in the relevant particles that allow for determination in the sign of…

Q: Using appendix C values, calculate the delta H for the following reactions:4NH3(g) + O2(g)…

A: The required reaction is given below.

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

A: Entropy is the change of degree of randomness in a system. If randomness increases, entropy…

Q: Calculate the entropy change, AS° for the following processes, a. vaporization of ethyl alcohol,…

A: Entropy is a measure of disorder or randomness of a substance. Change in entropy is defined as the…

Q: Which of the following reactions correctly depict reactants and products in the correct state to…

A: In the reaction, states of matter was written as a subscript to the molecules which takes part in…

Q: Consider the reaction: 2KClO3(s)~2KCl(s)+3O2(g) At a standard state, △G for the reaction is -35kJ.…

A: The value of gibbs free energy change helps us to find if the reaction at a particular temperature…

Q: 8. For which of the following reactions will the entropy of the system decrease? a) CuSO. (s) + H20…

A: Entropy is the measure of randomness or disorderness of the system.  More is the randomness in the…

Q: Write the CAPITAL Letter of the correct answer. A if both statements are true  B if the 1st…

A: Given that, two statements are If the change in free energy, ΔG is negative, the reaction is…

Q: Calculate the entropy change, AS° for the following processes, a. vaporization of ethyl alcohol,…

A: When a liquid compound is converted into gaseous compound, such process is known as evaporation…

Q: For the reaction of xenon and fluorine gases to form solid XeF4, ΔH° = -251 kJ and ΔG° = -121 kJ at…

A:

Q: When 50.0 mL of 0.100 M AgNO3 and 50.0 mL of 0.100 M HClare mixed in a constant-pressure…

A: Given: Specific heat of water = 4.18 J/g⋅∘C. Mass of solution = 100 g. Initial temperature (T1) =…

Q: he Keq of a reaction is 4 x 10⁻⁷. At equilibrium, the... * reactants are favored…

A: The value of the equilibrium tells us whether the reactants are favored or the products are…

Q: 2 ClO2 (g)   +  2 TiCl4 (l)    →     2 TiO2 (s)   +   5 Cl2 (g)         Delta H =  – 343.8 kJ when…

A: Please have a look on the solutiion:

Q: Calculate AH° for the reaction: Na,0(s) + SO;(g) – Na,SO,(g) given the following information: AH°…

A:

Q: Predict the sign of ∆S for physical and chemical processes?

A: Solution :    Entropy is a thermodynamic property that is a quantitative measure of the randomness…

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: 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: Examine each of the reactions in the multiple choices below and decide whether the entropy change…

A: If gaseous mole of product increases then reaction have positive entropy change if gaseous mole of…

Q: °rxn for the production of propane, C3H8, given the following reaction enthalpies: AH°(combustion of…

A:

Q: The dissolution of ammonium nitrate occurs spontaneously in water. As NH4NO3 dissolves, the…

A:

Q: 4. In general, AG, for dissolution reactions is at low temperatures and at high temperatures. zero,…

A: In general, heat energy is released as gas dissolves in solution, meaning the dissolution reaction…

Q: Above what temperature does the following reaction become nonspontaneous?         2 H2S(g) + 3…

A:

Q: Suppose that a house and its exterior are both initially at 31 °C. Sometime after the air…

A: Spontaneous process is one which proceeds on its own and does not require any external assistance.…

Q: Vhich of the following statements is TRUE regarding the spontaneity of the exothermic reaction isted…

A: Q. Which of the following statements is True regarding the spontaneity of the exothermic reaction…

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

A:

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: Gibbs free energy in chemistry is symbolizedG. It is related to the enthalpy (H) and entropy (S)…

A: The reaction given is  In the above reaction, since production of gaseous molecules takes place.…

Q: For the reaction at 298 K, the values of H and S are 58.03 kJ and 176.6 J/K, respectively. What is…

A:

Q: Suppose that two systems, each composed of two particles repre- sented by circles, have 20 J of…

A: Given data: Two systems, each compound of two particles, represented by the circkes have 20 J of…

Q: For a particular reaction, AH = -32 kJ and AS = -98 J/K. Assume that AH and AS do not vary with…

A: As we know that a spontaneous process is one that happens without the addition of external energy. A…

Q: Given the following chemical reaction occurring in a 2.00 L container: A (g) + 2 B(s) ↔ 4 C(g) + 3…

A:

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

A:

Q: For the combustion of CH4 into CO2 and H2O vapor, do you expect ΔS to be positive or negative for…

A: The entropy of a given system refers to the degree of randomness or disorderness present in the…

Q: Calculate the standard entropy change for the reaction; CO2(g) + H20(1) → CH4(9) + O2(g) Note:…

A: The balanced chemical equation is,

Q: Which process results in an entropy change less than 0?

A: Entropy (s) :-  Entropy is a measure of randomness or disorderness present in the system If in a…

Q: The standard enthalpy change and standard entropy change for the reaction are AH =-660 2 kJ mol"'…

A: As per our guidelines we can only solve first question. Please resubmit other questions as next…

Q: What is the sign for ΔS for the system for each of the following processes?  - +  A hot cup of…

A:

Q: .) Which of the following processes are spontaneous and which are nonspontaneous: (a) the ripening…

A: The following processes are spontaneous, and which are (a) the ripening of a banana, (b)…

Q: Consider each of the following reactions and decide whether the standard entropy change for the…

A: As per guidelines if multi-part questions posted, first three are allowed to answer, please repost…

Q: Given the following reaction: 2NO(g) + Cl2(g) 2NOCl(g) DHorxn = -75.5kJ 1. Is the reaction…

A: The reaction taking place is given as, => 2 NO (g) + Cl2 (g) -------> 2 NOCl (g)…

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: Which one of the following reactions cannot proceed spontaneously as written at any temperature?…

A: Normally for those thermochemical Reactions in which the value of Gibb's free value is negative, are…

Q: In the presence of excess oxygen, methane gas burns in a constant-pressure system to yield carbon…

A:

Q: 11. For which of the following reactions will the entropy of the system decrease? A. 2 NH3(g) …

A: Gas has more entropy than liquid which have more entropy than solid. In the above reaction D. there…

Q: Predict the sign of ASO for the following reactions and justify your answers: CS2 (1) ----> CS2 (g)…

A: The sign of the deltaS0 has to be predicted.