(Q13) Select of all the following that reflect the standard state of the element: lodine: I2 (g) Lead: Pb2* (aq) Fluroine: F (aq) Chlorine: CI(g) Sulfur: Sg(s) (rhombic) V Carbon: C(s) (graphite) V Phosphorus: P(g) V Carbon: C(g) V Iron: Fe(s) V Hydrogen: H2 (g)

Q: Given the following data: H2(g) AH = -285.8 kJ + N2O5(g) + H20) → 2 ΗNO30) AH = -76.6 kJ Nz@) + 2(g)…

A: Enthalpy change for the reaction can be calculated using Hess's law of thermodynamics.  Enthalpy…

Q: Natural gas burns in air to form carbon dioxide and water, releasing heat. CH,(8) + 0,(8) - CO-(g) +…

A: Correct answer is (a) 0.115 g Heat required by water = heat released by methane combustion. Heat…

Q: 5.2.4 Which of the following could be described as a statefunction? (Select all that apply.)a)…

A: Note: Since you have posted a question with multiple subparts, we will solve the first three…

Q: Part A A cylinder equipped with a piston expands against an external pressure of 1.43 atm . If the…

A: Given data :  Pressure = 1.43 atm  Initial volume , V1 = 0.480 L  Final volume , V2 = 1.215 L

Q: Discuss the factors affecting the sign of ∆G in the relationship ∆G= ∆H - T∆S. Give examples for…

A: Sign of ∆G in the relationship ∆G= ∆H - T∆S; depends on values and sign of T (temperature), ∆H…

Q: Calculate AH° for: 2C2Halg) + H2O(e) ---> C4H9OH(e) Given data: 2C02 + 2H20(e) ---> C2H4(g) + 302(g)…

A: The enthalpy change is a state function and the Hess law states that the change of enthalpy in a…

Q: Calculate AH for the reaction CIF(9) + F20)CIF3(9) given the following chemical equations and their…

A:

Q: 59. Which of the following which is/are true about the internal energy, E? (i) E = q + w E = q - w…

A: According to the first law of thermodynamics, the energy of the universe remains constant. For a…

Q: → 2Fe20(s) AH® =? AH° = -544kJ [1]4 Fe0(s) + 02(g) [2] 2Fe(s) + 029) [3] 4 Fe(s) + 3 02(9) → 2…

A: The enthalpy change for the desired reaction can be calculated by using the enthalpy of the given…

Q: Search on ways to write the ratio except (W/V)( W/W)( V/V) ?

A: 1). Molality (m), or molal concentration, is the amount of a substance dissolved in a certain mass…

Q: Acetylene burns in air according to the following equation:C₂H₂(g)+5/2O₂(g)→2CO₂(g)+H₂O(g) ΔH°ᵣₓₙ…

A: When a chemical reaction takes place, some bonds are formed and some bonds are broken. This change…

Q: 2C(s, graphite) + 3H2(g) → C2H6(8) ΔΗΧΠ =? Given: (1) C(s, graphite) + 02 (8) → CO2(8) (2) H2 (8) +…

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Q: SNC12 (k) → Sn (k) + Cl2 (g) 2 SnCl2 (k) + 2 Cl2 (g) → 2 SnCl4 (s) +325.1 kJ -372.4 kJ V un agagmn…

A: In the given question we have to calculate the overall enthalpy of the chemical reaction. we have to…

Q: A student performed a calorimetry experiment to determine the specific heat ofaluminum metal. She…

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

Q: The following information is given for mercury, Hg, at 1atm: AHvap(357 °C) = 59.3 kJ/mol boiling…

A: Mass of gaseous mercury = 46.6 g Boiling point of mercury = 357oC ∆Hvap = 59.3 kJ/mol Specific heat…

Q: Give definitions or formulas (where equal sign is given) for: Kw

A: Water has a unique property to act as an acid as well as a base i.e water can donate a proton as…

Q: Question 33

A: The change in temperature taking place is,

Q: 2C(s) + 2H2O(g)→ CH4(g) + CO2(g) Determine AH for this reaction using the following enthalpies of…

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Q: Using the standard enthalpies from the table below, calculate the AH for the following reaction…

A: The given balanced reaction, HCl(aq)+AgCN(s)-->HCN(aq)+AgCl

Q: 12 Determine the Final tem perature af a gold nugget at 398 K and loses heat to snow bank when it's…

A:

Q: Given the following reaction enthalpies: P,(s) + 6 Cl,(g) → 4 PCI,(g) =-1225.6moi → PO,(s) → PCI,(g)…

A:

Q: 2NO(g) O2(g) - 2NO2(g), AH=-113.1 kJ 2N20(g) 2N2(g) + O2(g), AH=-163.2 kJ -> use Hess's law to…

A: Use ∆H equation and do experiement to get resulting equation. ∆H rxn= 43.53kj

Q: Given that H2 (g) + F2(g) 2 HF(g) AHgxn = -546.6 kJ 2 H2(g)+02(g) 2 H2O(1) ΔΗ -571.6 kJ rxn…

A: The enthalpy of reaction of the required equation can be calculated using the given two reactions.

Q: T31 When 5.88 g of copper is heated from 17.6℃ to 485.0℃, what is the value of q? The specific heat…

A: Given information, Mass of copper = 5.88 g Heated from 17.6℃ to 485.0℃ Specific heat capacity for…

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

A:

Q: You will find the final temperature when 5.00 grams of aluminum at 425℃ is placed in 50.0 grams of…

A: We know that  From the law of heat exchange Heat lost by substance= Heat gained by another substance…

Q: Carven the heat Capacity of Cother is 8-386 (/Cgc). What will be the energy Change in I when 14.5 gm…

A:

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: The density of ethane is 545 kg/m3. If its specific energy is found out to be -86.8 MJ/kg, what is…

A: Given: density of ethane = 545 kg/m3 specific energy = -86.8 MJ/kg

Q: Hercury, with a freezing point of 38.8°C, is the only metal that is liquid at room temperature. How…

A: Hello. Since your question has multiple parts, we will solve first question for you. If you want…

Q: Given that the reaction of 4 NH3 (g) + 5 O2 (g) → 4 NO (g) + 3 H20 (g) ΔΗ - 906 kJ %3D |- What would…

A: Answer : correct option is  226.5 KJ ∆H for this reaction would be 226.5 KJ

Q: • 2. Using the following information, determine the AH°n + SFA(9) → SO2(9) rxn 25(9) + 20F2(9) AH° =…

A: Since you have asked for answer to question 2. I am providing you with the same. Answer 2:-

Q: Question 4 of 41 Given that H,(g) + F,(g) – 2 HF(g) AHxn = -546.6 kJ 2 H, (g) + 0,(g)→ 2 H,O(1) AHan…

A: a.  H2(g) + F2(g) ......> 2HF(g)  dH°rxn = -546.6KJ b.  2H2(g) + O2(g) ...> 2H2O(g) dH°rxn =…

Q: A 51−kg person drinks 4.6 × 102 g of milk, which has a caloric value of approximately 3.0 kJ/g. If…

A: A 51−kg person drinks 4.6 × 102 g of milk, which has a calorific value of approximately 3.0 kJ/g. If…

Q: -1 35. The specific heat capacities at 25°C for three metals with widely differing molar masses are…

A: For 1 kg of substance, 1K rise in temperature requires some specific aggregate of energy which is…

Q: View Poličiėš Current Attempt in Progress A 53 kg person walking 5.7 km/hr requires 997 kJ of energy…

A: Energy required to walk 5.7km = 997 kJ 1 kJ = (5.7 /997 )km

Q: T31 When 5.88 g of copper is heated from 17.6°C to 485.0°C, what is the value of q? The specific…

A:

Q: When 5.88 g of copper is heated from 17.6℃ to 485.0℃, what is the value of q? The specific heat…

A: Given: 5.88 g of copper T = 17.6℃ to 485.0℃ specific heat capacity for copper is: Cs,Cu = 0.387…

Q: THERMOCHEMISTRY Solving combustion thermochemistry problems Alec On a 10 day wilderness expedition…

A: We are given, The number of days: nd=10 The mass of water required every day: mw=3 kg The…

Q: Which of the following equations is a mathematical definition of enthalpy? O AH = AS - TAG Ο…

A: Enthalpy change is the amount of heat evolved or absorbed in a chemical reaction carried out at…

Q: Part A Find A Erxn for the combustion of naphthalene. The heat capacity of the calorimeter,…

A:

Q: One mole of nitrogen reacts with one mole of oxygen to form two moles of nitric oxide N2(g) + O2(g)…

A:

Q: What is the value for ΔT for a temperature change from -37°C to 44°C?

A: Given information,        Temperature changes from -37°C to 44°C

Q: 73./ Given, the following data (oo 30,(g) AH = -427 kJ 203(g) 0,(g) NO(g) + 0;(g) mi →20(g) AH = 495…

A: The given reactions are: 2O3(g)→3O2(g)                                     ∆H=-427 kJ      ......…

Q: 3. Calculate the amount of energy (in kJ) needed to heat 346 gram of liquid water from 0 °C to 182…

A: amount of energy (in kJ) needed to heat 346 gram of liquid water from 0 °C to 182 °C is given below

Q: The following thermochemical equation is for the reaction of methane(g) with water(g) to form…

A:

Q: Assume you are traversing a glacier and want to make a pot of green tea to warm up. If you start…

A:

Q: Part A A silver block, initially at 55.8 °C, is submerged into 100.0 g of water at 24.1 °C in an…

A: It involves calorimetry experiment.   whatever heat lost by the silver metal will get absorbed by…