1. CHJ 1. CH (1) 2. Ag20, H20 3. heat NH 2. Ag,0, H20 3. heat KI (m-n) CuBr EN

Q: The vaporization of 1 mole of liquid water (the system) at 100.9°C, 1.00 atm, is endothermic.…

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Q: lution of HI was found to have a pOH of 13.35 at 25 °C. What is the concentration of HI? a. 0.52 M…

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Q: 2 N205 4 NO2 + O2 at 25C N2O5 11.29 KJ/mol NO2 33.15 KJ/mol O2 O KJ/mol What is the AH° for the…

A: Q.13:  2N2O5 (g)  <------> 4NO2(g) + O2(g)  We can find ∆Horxn using the formula below and the…

Q: 12.2 g of ice at-68.3 °C is converted to ste am at 297.1 °C. Match the heat added to the process it…

A: Here, 12.2 g of ice at -68.30C is converted to steam at 297.10C. This can be solved using the phase…

Q: 1. A student mixed 25 cm of 0.35 mol dm N2OH solution with 25 cm of0.35 mol dm hydrochloric acid The…

A: Given: The volume of 0.35 mol dm-3 HCl and 0.35 mol dm-3 NaOH is 25 cm3. The temperature of the…

Q: 6) What are signs on AH, AS and AG for ice melting at room temperature? You should not do a…

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Q: HBr (aq.) Br heat D. OTs KOTBU H, ? HOTBU НI (2 еquiv.) ?

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Q: The addition of 107.0  g potassium fluoride to 607.0  mL of water (d = 1.00 g/mL) causes the…

A: Mass of KF = 107.0 grams Volume of water = 607.0 mL Density of water = 1.00 g/mL Mass of KF solution…

Q: OH 1. SOCI2, heat O. 2. Me2CuLi, Et2O then H3O*

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Q: 1) What volume of a pure liquid (density 0.910 g/mL) has a mass of 0.490 kg? A. 1.86 x 100 mL B.…

A: "Since there are multiple questions and it is not mentioned that which one has to be solved so I am…

Q: When 1653 J1653 J of heat energy is added to 38.3 g38.3 g of ethanol, C2H6O,C2H6O, the temperature…

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Q: The following information is given for water at 1 atm: AHvap (100.00°C) = 2.259 x 10° J/g AHfus…

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Q: Consider the below information at 298 K: 2 NO (g) + O2 (g) 2 NO2 (g) AG° = -72.6 kJ N2 (g) + O2 (g)…

A: The given problem relates to Hess's law, which states that the amount of heat evolved or absorbed in…

Q: Given that ΔHo(fusion) of water is 6025 J/mol, Cp,m(ice) = 37.7 J K–1 mol–1, and Cp,m(water,liquid)…

A: The Gibbs free energy is defined as the maximum work which can be produced by a system at constant…

Q: 2(a) A sample of water (20 g) at 60°C is placed in a freezer that is held at a constant temperature…

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

Q: What is ΔH° for the following phase change? NaCl(s) → NaCl(l) Substance ΔH°f (kJ/mol) NaCl(s)…

A: Given NaCl(s) → NaCl(l)Substance          ΔH°f (kJ/mol)NaCl(s)               –411.12NaCl(l)…

Q: 1. A student mixed 25 cm' of 0.35 mol dm NaOH solution with 25 cm' of 0.35 mol dm hydrochloric acid.…

A: The specific heat capacity is the amount of heat that needs to be added to a unit mass of a…

Q: Based on the following thermodynamic data, calculate the boiling point of ethanol in degrees…

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Q: Adding nitric acid to water is quite exothermic. Calculate the temperature change (AT) when 100.0 mL…

A: Assuming the density of concentrated HNO3 is same as that of water and its addition doesn't add a…

Q: MYSTERY METAL (3) Mass o F EMPIY cup 4.0g Mass of cuptwater 64:0g Mass of waler bg 64.0g 4.0g 60g…

A: Given; Mass of water (mw) = 60 g Mass of Mystery metal (mm)= 5.4 g Temperature water before adding…

Q: Using the following data, calculate the standard heat of formation of IC1(g) in kJ/mol: Cl2 (g) → 2…

A: Enthalpy of formation :- The enthalpy change involved in the formation of 1 mole of a compound from…

Q: 3. The normal boiling point of SO, is -10.1°C and its standard enthalpy of vaporization is 24.92…

A: Boiling point = -10.1°C = 262.9 K  Enthalpy of vapourization (∆H) = 24.92 KJ/mole

Q: Calculate AG° at 595 K for H20(g) + 1/2 O2(g) S H2O2(g) using the following data: H2(g) +O2(g) S…

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Q: The enthalpy of fusion of aluminum is 10.7 kj/mole. How many grams of aluminum can be melted by…

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Q: जiue the boifaि् १orकचे त्स्समवोन १०व९ f१०Td and the en thalpy of vaporization IS 56.3°C 1s…

A: Given data :

Q: 1.1 State the first law of thermodynamics 1.2. What is the difference between isobaric process and…

A: 1.1 The statement for first law of thermodynamics: The total energy of an isolated system is does…

Q: Calculate the Gibbs free energy (in kJ) at 25 degrees C of the following reaction using the data in…

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Q: phorus oxychloride (POCl3) is a chlorinating agent that is frequently used in organic chemistry

A: We have to tell whether reaction is spontaneous

Q: Calculate the enthalpy of vaporization for the phase change from gaseous methanol to liquid…

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Q: From the enthalpies of reaction2 C(s) + O2(g)----->2 CO(g) ΔH = -221.0 kJ2 C(s) + O2(g) + 4…

A: Given:

Q: 16. Given the following set of reaction data, C(s) +O2(g) → CO2(8) → 2CO2(8) AH = -393.5 kJ mol…

A: Given  C(s) + O2(g) --------> CO2(g).   ∆H  = -393.5 kJmol-1  2CO(g) + O2(g) -----> 2CO2(g) ∆H…

Q: Calculate AG° at 599 K for H20(g) + 1/2 02(g) = H202(g) using the following data: H2(g) +02(g) 5…

A: In the given question equilibrium constant of the reaction is determined with the help of…

Q: Determine ∆G° for the phase change CO₂(g) → CO₂(aq) at 25°C. delta H = -19.4 kJ/mol delta S=…

A: Gibbs free energy is related to enthalpy change and change in entropy at constant temperature as,…

Q: How much energy is required to heat 54.0 g H 2O from a liquid at 25.0°C to a complete gas at 100 °C?…

A: There are two stages to calculate the energy required to heat a liquid from 25oC to a complete gas…

Q: An ice cube with a mass of 53.8 g53.8 g at 0.0 ∘C0.0 ∘C is added to a glass containing 414 g414 g of…

A: Given  Mass of Ice cube = Mi = 53.8 g Initial Temperature of Ice = Ti =0∘C Mass of Water = Mw = 414…

Q: bject) ftantilludel.edux Mail-Francesca A Tantillo-Out x START HERE CHM150-251 Che X C app.101edu.co…

A: For any phase to exist in equilibrium, the point at the phase diagram should coincide between all…

Q: Using the equations H₂ (g) + F₂ (g) → 2 HF (g) ∆H° = -79.2 kJ/mol C (s) + 2 F₂ (g) → CF₄ (g) ∆H° =…

A: Some Basic rule. 1) On reverse of the reaction ,sign of ∆H value changes . 2) If any number is…

Q: The atomic heat capacity of solid Mo is given by the equation Cp = 5.69 + 1.88x10-3 T – 0.503x105…

A: Given: Cp =5.69+1.88×10-3T - 0.503×105/T2 n= 2 mole T1=0°C+273 =273K  and  T2= 2620°c+273 =2893k…

Q: H₂ (g) + F₂ (g) → 2 HF (g) ∆H° = -79.2 kJ/mol C (s) + 2 F₂ (g) → CF₄ (g) ∆H° = 141.3 kJ/mol 2 C(s) +…

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Q: Which has a Standard change in Gibbs Free Energy of Formation, AG°F value of zero at 25°C? O(g) all…

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Q: What is AS in kJ/mol-K for the melting of a certain substance if AH fusion = 340 kJ/mol at 485 K?…

A: On applying formula ∆S=∆H/T

Q: но + но а. НNNH2, heat Оb. НС, Н20, Д с. LIAIHA O d. NaOH, H20, Д

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Q: 5-gibb For benzene, CH6, the heat of vaporization at its normal boiling point of 80 °C is 30.7…

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Q: When 60cm³ of potassium hydroxide is added to 30 cm³ of sulphuric acid the temperature moved from…

A: Given: 1) The volume of potassium hydroxide is (V1)=60 cm³ 2) The volume of sulphuric acid is…

Q: Calculate the ΔS of vaporization (in J/mol∙K)  which boils at 728.7 oC. Its heat of vaporization,…

A: Given ΔS = ? ΔH°vap = 82.8 kJ/mol boiling temperature (Tb) = 728.7°C

Q: Standard Enthalpy of Formations in kJ/mol at 298.15 K   ΔHof   ΔHof AlCl3(s)       -704.2.0…

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Q: A 84.8-g piece of silver (s = 0.237 J/(g. °C)), initially at 268.0°C, is added to 128.4 g of a…

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Q: Calculate the enthalpy of the reaction below (AHrxn, in kJ) using the bond energies provided. N,(9)…

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Q: Calculate the standard enthalpy change for the reaction 2C8H18(l) + 21O2(g) → 8CO(g) + 8CO2(g) +…

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Q: alculate ΔS per mole for the melting of H2O at  0.°C,  ΔHfus = 6.0 kJ/mol.    J/mol·K

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Alkynes

Alkynes are organic compounds that contain at least one triple bond between carbon-carbon atoms. They are a series of unsaturated compounds with a general molecular formula, CnH2n-2.