The mathematical equation that best defines the first law of thermodynamics is ΟΑΔU -ΔΗ-pAV O B. AH = AU + pAV OC.AU= q+ w O D. AH = AU - pAV ΙΟΕ ΔΗ= ΔU + w

Q: 5-Define these terms: system, surroundings, open system, closed system, isolated system, and the…

A: Thermodynamics is branch of science that deals with the relationship between heat and other forms of…

Q: For the reaction: 4HCN) + 502g) → 4CO2(g) + 2H2Og) + 2N2(g) Calculate AH° from the standard…

A: The enthalpy change is given by the following equation : Here the enthalpy change is given by the…

Q: D. The First Law of Thermodynamics. Diagrams (a)-(d) represent various physical and chemical…

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Q: For the complete combustion of 1.000 mole of ethane gas at 298 K and 1 atm pressure, ΔH° = -1560…

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Q: a.) Image 1 b.) Image 2

A: a.) First, the balanced equation for combustion of CH3OH is as follows, The ∆G0 value is first…

Q: It requires 120 J of heat to raise the temperature of 50.5 g of samarium from 275.0 K to 287.7 K.…

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Q: Restate the first and second law of thermodynamics.

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Q: (1) 4C(s) + 5H2(g)–C„H,,(g) AH° = -125.6 kJ %3D (2) C2H2(g)2C(s) + H,(g) AH° = -226.7 kJ what is the…

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Q: 2 M(s) + 6 HC1(aq) - 2 МСL, (aq) + 3Н, () AH = -581.0 kJ 2. HCI(g) → HC(aq) AH, = -74,8 kJ 3. H, (g)…

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Q: Use hess' law to calculate the change in H for the reaction:

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Q: Write any two consequences of the application of the second law of thermodynamics with suitable…

A: The universe entropy (also referred as randomness) always tend to increase in accordance with…

Q: 4 C3H9N(1) + 21 O2(g) → 12 CO2(g) + 18 H2O(1) + 2 N2(1) AH = -9,191 kJ Use this information and the…

A: Standard enthalpy of formation can be calculated as, ∆Horeaction=∆Hproduct-∆Hreactant

Q: Why are work, w, and heat, q, not state functions?

A: State function only depends on the final system and on the initial system, it does not depend how we…

Q: Use the data found in Thermodynamic Properties and the data in Bond Energies. to estimate the…

A: Bond  Bond energy ( kJ/ mol)  N- F  272 N- H  391 N-N 160 C-F  485 C-C  347 C-H 413…

Q: Which of the following would be a system that has work done on it by the surrounding? a. CH, (g) CO,…

A: When ∆H is negative value, then it is an exothermic reaction.When ∆H is positive value, then it is…

Q: Which of the following is a statement of the first law of thermodynamics? O Ek = 1/2 mv2 O A…

A: Which of the given statement follows the first law of thermodynamics ?

Q: Using the equations H, (g) + F, (g) → 2 HF (g) AH° = -79.2 kJ/mol C (s) + 2 F, (g) → CF, (g) AH° =…

A: Since you have posted multiple questions we will solve the first question for you. To get the…

Q: enthalpy a state function. Fill in the blank: 4. For a change that takes place at constant pressure,…

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Q: 48. Which reaction is an Endothermic Reaction at 101.3 kPa and 298 K? a) C,H, (g) + 50, (g) b) C(s)…

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Q: The sun supplies energy at a rate of about 1.0 kilowatt per square meter of surface area (1 watt = 1…

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Q: The industrial synthesis of chloroform by the reaction of methane with Cl2 is carried out according…

A: The given equation is not balanced, so the first step is to balance the equation.  CH4 (g) + 3Cl2…

Q: 1. a. (i) The work done to compress a gas is 85.0 J. As a result, 21.0 J of heat is given off to the…

A: Given that w = 85.0 j (it is positive because work done on gass)  q = - 21.0 j (it is negative…

Q: the enthalpy change for this reaction. The pertinent enthalpies of

A: The combustion of ethanol will lead to give water and carbon dioxide. Reaction is as follows,

Q: 7. The heat evolved from the combustion of 0.94g ethanol raises the temperature of 250 cm water…

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Q: Phosgene, COCl2, was used as a war gas during World War I. It reacts with the moisture in the lungs…

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Q: Tick True or False: 1 - The basic principles of thermodynamics include the system, its limits, and…

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Q: What mass of ethanol (M, = 46.1) will need to be burned completely to raise the temperature of 1.00…

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Q: 1. Calculate the standard enthalpy change when gaseous dinitrogen tetroxide (N2O4) reacts with…

A: ∆fH°(N2O4) = 9.66 KJ/mol ∆fH°(H2O) = -241.82 KJ/ mol ∆fH° ( H2) = 0 ∆fH° ( N2) = 0

Q: The standard enthalpy of reaction, AH rxn, for the reaction, CaO(s) + SO3(g) → CaSO4(s) is -401.5 kJ…

A: Mole can be defined as a standard unit for measuring large quantities of very small entities such as…

Q: Use the data from this table of thermodynamic properties to calculate the maximum amount of work…

A: Dear student, you have not provided the data table link, but I am solving the question based on…

Q: The molar heat capacity of mercury is 28.1 J/mol · K . What is the specific heat capacity of this…

A: Given :- molar heat capacity of mercury = 28.1 J/mol · K   To be calculated :- specific heat…

Q: Write any two consequences of the application of the second law of thermodynamics

A: Result of any action is known as the consequence of that application.

Q: 2. จงหาค่า AH ของปฏิกิริยานี้ จากข้อมูลที่กำหนดให้ 2C (s) + 2 H,0 (g) → CH, (g) + CO,(g) Determine…

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

Q: AHO ン ran Given: + 183 KJ 12 Nz lg)+ O,5) AH°rxn こ +33 KI

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Q: The molar heat capacity of silver is 25.35 J mol-1 °C-!. How much energy would it take to raise the…

A: Heat capacity is related to the energy needed to raise its temperature by ∆T and is given by…

Q: Give 3 application of first law of thermodynamics and each application give Explaination the…

A: The first law of thermodynamics is also known as the law of conservation of energy because according…

Q: Paraphrase the first and second laws of thermodynamics

A: To define: First and second law of thermodynamics.

Q: Suppose that the reaction of 2.857 moles consumes 2.45 kJ of heat. What is the molar enthalpy of the…

A: The molar enthalpy of a reaction is change in enthalpy of one mole substance that is undergoing…

Q: A system does 435 kJ of work(w) and loses 312 kJ of heat(q) to the surroundings. What is the change…

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

Q: Phosgene, COCl2, was used as a war gas during World War I. It reacts with the moisture in the lungs…

A: Given:-             S° (COCl2) = 284 J/mol.K∆Hf° = -223 kJ/mol. The reaction is:…

Q: （1）Consider the reaction: 2A (g) + 3 B (g) → 2 C (g)     ΔHrxn = +254.3 kJ What will be the…

A: 2A (g) + 3 B (g) → 2 C (g) ΔHrxn = +254.3 kJ Moles of B = 0.471 moles Enthalpy Change = ?

Q: Given the following chemical equations, Ca(s) + ½O¬(«) → CaO(s) AH = -635 K.Jmol CACO,6,) → CaO,) +…

A: Given that , Ca (s) + 1/2 O2 (g) → CaO (s),△H = -635 kJ mol -1  ⇒ (1) CaCO3 (s) → CaO (s) +CO2(g)…

Q: If 54.0 g argon at 400 K is compressed isothermally and reversibly from a pressure of 1.50 to 4.00…

A: The change in energy and enthalpy has to be given, It is an isothermal process and  the work done…

Q: A thermodynamic study of DyCl; determined its standard enthalpy of formation from the following…

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