Calculate T in Kelvin given

Q: Calculate Unknown Enthalpies O2(g, 300°C): From Table B.8, H = 8.470 kJ/mol (Insert value in…

A: Answer..

Q: A sample of solid biphenyl weighing 0.5260 g was ignited in a bomb calorimeter initially at 25°C,…

A: The Cp of Solid Biphenyl is 198.39 J/mol/K.Molar mass of Biphenyl = 154 g/mol.Given weight =…

Q: NB Assume the densities of all solutions are 1.0 g/mL and their specific heat capacities 4.184 J/g…

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Q: a) Define Hess' Law and explain why it plays such an important role in thermochemistry. D) Use the…

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Q: Calculate the enthalpy of the reaction 4B(s)+302 (g)→2B2O3(s) given the following pertinent…

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Q: POST LAB QUESTIONS. 473.871 1. 2090 J of heat energy are removed from 40 g of a silvery metal at…

A: Given: 1. Heat absorbed = 2090 J Mass of metal = 40g Temperature change = 81.7 to 30℃ or = 51.7℃

Q: 22.8 g teaspoon made of stainless steel 304 (s = 0.5024 J g-1 K-1) originally at 10.°C is immersed…

A: Heat flows from a body of high temperature to that at low temperature. Hence, heat is liberated from…

Q: Calculate T in Kelvin given E^0cell= 0.260 volts n= 3 R= 8.314 J/mol K F= 96500 C/mole electrons…

A: Given, Standard cell potential = E0cell=0.260V Number of electrons transferred = n = 3 Value of gas…

Q: Calcium carbonate decomposes to lime according to the following reaction: CaCO3(s) = CaO(s) + CO2(g)…

A: Enthalpy change of a reaction is simply is the difference in the enthalpies of products to…

Q: 3.6

A: The work done in a process is expressed as:

Q: A sample of carbon monoxide gas whose mass is 8.30 g is heated from 25.0 °C to 191°C at a constant…

A: sample of carbon monoxide gas whose mass is 8.30 g is heated from 25.0 °C to 191 °C at a constant…

Q: Calculate the difference, in kilojoules, between AE and AH for the following exothermic reaction at…

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Q: The specific heat capacities (in units of J/g K) of element X, Y and Z are 0.379, 0.485 and 0.349,…

A: Specific heat capacity: The amount of heat that is required by the unit mass of a substance at the…

Q: Hess's law: Given the following at 25oC and 1.00 atm: 1)  SO3 (g)     +     H2O (l)    →     H2SO4…

A: Given 1)  SO3 (g)  + H2O (l) →  H2SO4 (l)         ΔHo = -133 kJ 2)  Pb (s) + PbO2 (s) + 2H2SO4 (l)…

Q: Predict whether AS for each reaction would be greater than zero, less than zero, or too close to…

A: Entropy (ΔS) is the degree of disorderness.  Increasing order of entropy,      solid   <…

Q: The reaction of hydrogen sulfide(g) with oxygen(g) to form water(l) and sulfur dioxide(g) proceeds…

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Q: Two moles of a gas at 1bar and 298k are compressed at constant temperature by the use of constant…

A: Given that: number of moles = 2 moles pressure, P1 = 1 bar pressure, P2 = 5 bar mass = 100 Kg g =…

Q: A sample of an ideal gas undergoes the cycle. A8-c-D¬A depicted below. Al four steps of the cycle…

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Q: if change in E is less then zero then what condition should be followed.prove that.

A: Electromotive force denoted as E or emf is defined as energy per unit chargethat is imparted by an…

Q: en the onowing (hypothetical) thermochemical equations: A+B2C; AH = -443 kJ A+ 3D2E; AH = -490. kJ…

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Q: the following is a statement of the First Law of thermodynamics Select one: O a 1 cal = 4.184 J…

A: First law of thermodynamics is a form of law of conservation of energy.

Q: 1. A 45.0 kg chunk of metal (specific heat 0.300 1/gC) initially at 25.0°C absorbs 122,000 ) of…

A: We can calculate the final temperature from the given formula  q = m × C × (Tfinal - Tinitial) Where…

Q: Calculate the enthalpy of the reaction 4B(s) + 302 (9)→2B2O3 (s) given the following pertinent…

A: Solution: We will rearrange the given reactions in such a way that it can become the required…

Q: Calculate AH for the process in which 50.0 mL of water is converted from liquid at 15.0 °C to vapor…

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Q: JII 21 UI 23 A silver cube with an edge length of 2.34 cm and a gold Substance Specific heat…

A: Given : edge length of gold cube = 2.68 cm Edge length of silver cube = 2.34 cm Volume of water =…

Q: Calculate AHrxn for the following reaction: 5C(s) + 6H2 (g) → C;H12 (1) Use the following reactions…

A: We are given 3 different reactions: C5H12(l)+8O2(g)-------->5CO2(g)+6H2O(g)         H = - 3244.8…

Q: Calculate AH and AE for the following reactions at 25 °C. Use standard enthalpies of formation from…

A: ∆Horxn = ∆Hoproduct - ∆Horeactants    ∆E = ∆H - ∆ngRT

Q: Below is a list of Enthalpies of Formation. Substance Δ??(?????)ΔHf(kJmol) C3H8(g) -104.7 O2(g) 0…

A: Introduction: The total amount of energy of a system is called enthalpy and the heat of formation is…

Q: 5. b) Predict and briefly explain the sign of AS for each of the following processes. (Don't write…

A: 5. b)   Entropy is  a degree of disorderness.   i )    ΔS = - ve        No.of moles of gas on…

Q: Calculate AH° and AE for the following reactions at 25 °C. Use standard enthalpies of formation from…

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Q: 2NH3(g) → Nz(9) + 3Hz(g) AH° = +92.2kJ I. AS > 0 II. (-TAS) term is negative II. In order for AG to…

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Q: 15 Calculate ΔGrxn in (kJ/mol) for the reaction  for which  ΔHrxn=-26.1kJ/mol ;  ΔS=3.89J/molK at…

A: Gibb's Free energy isbthe change of free energy during a reaction. It can be positive negative or…

Q: Given that H,g) + F,(g) 2 HF(g) AHin = -546.6 kJ 2 H, (2) + 0,(g)- -2 H,O(1) AHin = -571.6 kJ…

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Q: Given that H,(g) + F,(g) –→ 2 HF(g) AHan = -546.6 kJ 2 H, (g) + 0,(g) – 2H,O(1) AHan = -571.6 kJ…

A: The change in energy or enthalpy during the reaction is given by enthalpy change.  If the enthalpy…

Q: Calculate T in Kelvin given Ecell= 1.77 volts Eocell= 2.36 volts n= 3 R= 8.314 J/mol K F= 96500…

A: This can be solved by using the Nernst's equation I.e. E = E°cell -( 2.303RT / nF ) . logK Here, E =…

Q: A system has 1.00-mol Ar gas confined in a container (with a fixed volume of 20.0 L) initially at…

A: Given, amount of heat removed from the Ar gas container ( System) = - 265 J initial volume V1 = 20.0…

Q: Energy in the amount of 5.0 J his attitude 0.50 g pieces of aluminum copper and magnesium that are…

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Q: 1421J of heat is required to raise the temperature of 350g of metal by 32.00C. Find the specific…

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Q: Find ArH for the combustion of ethanol (C2H6O) to carbon dioxide and liquid water from the following…

A: Heat can be calculated as follows: where q: Heat c: Heat capacity T1: Initial Temperature T2: Final…

Q: Calculate AH for the process in which 10.0 mL of water is converted from liquid at 5.0 °C to vapor…

A: The quantities which come across during the scientific studies are named as physical quantities. The…

Q: 6. A hot unknown metal with mass 17.68 grams is transferred from boiling water (98.70 °C) to a…

A: The answer of the question is given below:

Q: Calculate the difference, in kilojoules, between AE and AH for the following exothermic reaction at…

A: Given reaction is :2 N2O (g) + 3 O2(g) → 4 NO2(g)find out  ∆H and ∆E and relation between them i.e.,…

Q: A simple method for the laboratory preparation of hydrogen involves reaction of zinc with…

A: Partial pressure of H2 gas = Atmospheric pressure - partial pressure of water

Q: Given: Pb(s) + PbO2(s) + 2H2SO4(l) → 2PbSO4(s) + 2H2O(l); ΔH° = –509.2 kJ SO3(g) + H2O(l) →…

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Q: An ice cube with mass 9.53 grams (presume Tinitial (Ti) =0°C) is placed in a calorimeter containing…

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Q: 2. Consider the following three reactions: 2 Fe(s) +6 HCI(aq) → 2 FeCh (aq) +3 H, (g) Fe,0,(s) +6…

A: Using hess law , the delta H is determined as :

Q: Identify the endothermic process(es) below. You may choose one or more processes. If there are more…

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