If the ΔΔH for C2H4 + H2 --> C2H6 is -65.6 kJ, what is the ΔH for this reaction? 2C2H4 + 2H2 --> 2C2H6

Q: the following reaction? 2 Pb)+ 4 Ch(g) → 2 P6C14 D. 784 kJ B. 392 kJ thalpy for the reaction: C(9)…

A: 13) As we know,  if the reaction is multipled by any digit then □H is also multipled by same digit.…

Q: From the following information, determine ΔH°f of malonic acid, CH2(COOH)2(s). CH2(COOH)2(s) +…

A: We know that ΔH° (reaction) = ∑(∆Hf)products - ∑(∆Hf)reactants

Q: Hydrogen gas reacts with sodium hydroxide to form water and sodium spontaneous or non?

A: Hydrogen gas reacts with sodium hydroxide to form water and sodium

Q: Given the following equation,               N2O(g)  +  NO2(g)  →  3 NO(g)  ΔG°rxn  = -23.0 kJ…

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Q: Consider the following reaction:   SO3(g) + CaO(s) ⇌ CaSO4(s).   If ΔG0 is −345 kJ/mol for this…

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Q: What is the entropy at SATP of a reaction where ∆Hºrxn=-12.5 kJ and Keq=32.1?   -0.150 J/K   -150…

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Q: Calculate ΔHΔH for the reaction 2 Al (s) + 3 Cl2 (g) ⟶⟶ 2 AlCl3 (s) from the following data. 2 Al…

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Q: 10. If the y-axis (E) refers to free energy, what term would be used to describe the overall change…

A: Given : graph of a chemical reaction or chemical process.  To find : Type of process.  Solution : As…

Q: 1- Why is the second law of thermodynamics important? 2- What type of processes occur in a Carnot…

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Q: Calculate the standard free energy for the combustion of 1 mole of ethylene, C₂H₄(g), in the gas…

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Q: The normal boiling point of ethanol (C2H5OH) is 78.3 °C and its molar enthalpy of vaporization is…

A: Given: The normal boiling point of ethanol (C2H5OH) = 78.3 °C           Molar enthalpy of…

Q: Classify each of the following reactions as one of the four possible types summarized in Table 19.3:…

A: A chemical reaction is said to be spontaneous when the value of Gibbs free energy is negative. The…

Q: Define the term energy-level diagram?

A: ANSWERE IS DISCUSSED BELOW :

Q: What is the free energy change for the following reaction? Al + 3Fe3+ Al3+ + 3Fe2+ Fe3+ + e Al3+ +…

A: Given, Al + 3 Fe3+ -----> Al3+ + 3Fe2+ Standard reduction potential are given, Fe3+ + e-…

Q: Draw a picture to show how the entropy is changing for the following reaction: 2 H2O2(l) -> 2H2O…

A: In the given reaction, hydrogen peroxide is getting converted into liquid water and oxygen in…

Q: 1. What is the sign of ΔH for the process of below? KCl(g) → KCl(s)   A negative and the process…

A: Exothermic reaction The reaction in which ∆H value is negative is known as exothermic…

Q: What is the standard free energy change for the following reaction at 25°C? CHĄlg) + 2 02(g) -…

A: Given reaction,       CH4(g) + 2 O2(g) → CO2(g) + 2 H2O(l)

Q: Which choice orders the molecules in increasing entropy? A. F2 < Ne < CH2C12 B. CH2Cl2 < Ne < F2 C.…

A: We know that,  Molar entropy of F2  = 202.8J/mol.K Molar entropy of Ne  = 146.3 J/mol.K Molar…

Q: For which of the attached reactions is ΔSo a positive value?

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Q: Which set of values is thermodynamically possible?   ∆G/kJ ∆H/kJ ∆S/J K-1 Keq a. 0 1 b. >0 0 >1 c.…

A: Enthalpy Enthalpy measures heat content. If change of enthalpy is negative then reaction is…

Q: What terms would best describe the above coupled reaction? (the DGo for ATP hydrolysis into ADP +…

A: The formation of 1 mole of a substance from its component element at its standard state is known as…

Q: Calculate the AH for the following reaction: (12 pts) 2P + 5 C2 → 2 PCL5 Given the following…

A: Answer = -1323.8 kJ/mole

Q: 3. A reaction has a standard free energy change (G⁰) of -21.6 kJ/mol at 25 ⁰C. a. Is this reaction…

A: Given , The reaction has a standard free energy change (ΔG⁰) of -21.6 kJ/mol at 25 ⁰C.  We have to…

Q: Given the following reactions: OF2 + H20 → O2 + 2 HF AH = - 295 kJ SF4 +2 H20 → SO2 +4 HF AH=-816 kJ…

A: Hess's law states that when a reaction occurs in multiple steps then its enthalpy change is the…

Q: At 381 K, the following reaction takes place: Hg2Cl4(g) + Al2Cl6(g) --> 2 (HgAlCl5)(g) ΔH = +10 kJ…

A: Reaction : a) Hg2Cl4 (g) + Al2Cl6 (g) --&gt; 2(HgAlCl5) (aq) this reaction has an very small…

Q: Predict the following reaction, whether its spontaneous or non-spontaneous.          a. 2NaOH (s)…

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Q: Would you expect the entropy change for the following reaction to be positive or negative?  H2O (s)…

A: We need to determine the sign of entropy change for water going from solid to gas state.

Q: What is Keq at SATP for the reaction whose ∆Gº = -27.5 kJ? (R=8.314 J/mol-K)   1.51x10-5…

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Q: What is the sign of ∆Ssys for the following reaction?…

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Q: Calculate ΔG0 for the combustion of 1 mol ethanol, C2H5OH. C2H5OH(l) + 3O2(g). 2CO2(g) + 3H2O(g)…

A: Given: ∆Gof of C2H5OH = -174.8 kJ ∆Gof of O2 = 0 kJ ∆Gof of CO2 = -394.4 kJ ∆Gof of H2O = -228.6 kJ…

Q: CH;COOH + 2H2 = CHSOH + H2O %3D Acetate Ethanol Acetate may be hydrogenated to ethanol in industrial…

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Q: 50). Which of the following linear chain alcohols is likely to have the highest standard entropy in…

A: Entropy: Entropy is defined as the randomness or disorderness of a system. It is very less in the…

Q: Reagent Bromine (in DCM) Alkane Alkenes Alkynes Aromatic Alkylbenzene Is there a reaction? What is…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: What is the free energy change for the following reaction at 25 oC if the entropy change at this…

A: The reaction given is 3 A (g) + B (s) ------&gt; 2 C (g) + 3.40 kJ Since heat is written in product…

Q: What is the sign of ΔH for the process of below? KCl(s) → KCl(g)     A negative and the process is…

A: When solid convert into gas without going into melting phase then this process is called…

Q: -5. Acetic acid's Ka is 1.8 x 10¯5. What can you conclude about the free energy of the dissociation…

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Q: Which direction has more entropy in the following equation and why ? H2CO3 (aq) CO2 (g) + H2O (l) A)…

A: Gases has more Entropy ( randomness) than solid or liquids. And when gases product is formed then…

Q: Write T if true, and F if false 1. If the change in free energy, ΔG is negative, the reaction is…

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

Q: Given the following reaction: 9C (s) + + 12H2 (g) + 3/2 O2 (g) → 3C3H7 OH (1) If the enthalpy change…

A: 1)if the change in enthalpy is negative then reaction is exothermic 2) if change in Gibbs free…

Q: 14. What is Keq at SATP for the reaction whose ∆Gº = 12.5 kJ? (R=8.314 J/mol-K)   155   6.44x10-3…

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Q: Please help

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Q: 16  of 48 Which set of values is thermodynamically impossible?   ∆G/kJ ∆H/kJ ∆S/J K-1 Keq a. 0 0 0…

A: Using the relation  ∆G = ∆H - T∆S And ∆G = -RTlnKeq

Q: Predict whether the entropy change of the system in NH4Cl (s) —> NH3(g) + HCl (g) is positive or…

A: Entropy is the randomness of molecules. Entropy change is the difference in number of gaseous…

Q: Determine whether or not the following reaction is spontaneous. Show all your steps. 4NH3(g) +…

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Q: In glycolysis, dihydroxyacetone phosphate (DHAP) is converted to glyceraldehyde-3-phosphate (G3P).…

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Q: What is Keq at SATP for the reaction whose ∆Gº = 20.5 kJ? (R=8.314 J/mol-K)   2.55x10-4   1.01…

A: ∆ G°= -RT ln K ,at SATP Tempreture is equal to 298 k

Q: 44. Calculate the AHrxn for the following reaction at 25°C 2FES, + 502 2FEO + 4SO2 AHixn -1118…

A:

Q: A spontaneous reaction always has:   A. a positive enthalpy change and a negative entropy change.…

A: Spontaneous Reaction: Spontaneous reaction is a reaction that favours the formation of products…

Q: 1. Which of the following match-ups about free energy is correct? A. Positive Gibb's = exergonic =…

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Q: 2 CH 3OH( l) + 3 O 2( g) → 2 CO 2( g) + 4 H 2O( l)      a -797.8 kJ   b -2069.8 kJ   c -1404.8…

A: Ans is c