Br NaOEt .CI (еxcess) ETOH NC CI

Q: 74.S5g/mcl p el It'an aquecusSclution uf KCl\(mclar mass. has a concentration of S.50m what is the…

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Q: Br CN ? HO H3CO ELO2C HO ? COQEt

A: In this question, we will using all the appropriate reagents for carried out this type of…

Q: Cinnabar, (or Cinnabarite) HgSHgS is the common ore of mercury.  Because of its mercury content,…

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Q: The lattice energy of CsF is -744 kJ/mol, whereas that of BaO is -3029 kJ/mol. Explain this large…

A: Given information: Lattice energy of CsF = -744 kJ/mol Lattice energy of BaO = -3029 kJ/mol

Q: At 18°C the heat of solution of anhydrous CuSO4 in a large volume of water is -15,800 cal/mole,…

A: At 18 °C the heat of solution of anhydrous CuSO4 is -15,800 cal/mole while that of CuSO4 . 5 H2Ois…

Q: What is the ΔS of 5 moles CO2 (g) heated at constant volume from 100 °C to 400 °C? The Cp,m of CO2…

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Q: hery. onygen gas in of amaguisilue meact with zu32g cof olid not Magiesiiume tims deft Since ont…

A: Magnesium reacts with O2 to give MgO.  2Mg + O2 = 2MgO  Molecular weight of Mg, O2 and MgO are 24.3,…

Q: th What is the mass/volume percent (m Of KCL ina solution prepared by dissolning d.5goF KCI in…

A: Answer :- To express the concentration of a solution percentage strength is commonly used.…

Q: (d) Br HO. HO HO. Br (e) CI .COOH COOH Br COOH

A: Higher the electronegarivity  of halogen attached to the carboxylic acid, the stronger is the acid.…

Q: Explain in words the formula that can be used to determine Δ H rxn ° when usingHess’s law.

A: Interpretation - The formula used to determine ∆Horxn using Hess's law is to be explained.

Q: kJ/mol AHdissolution=

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Q: What is the AH°rxn for the reaction? CH4(g) + 202(g) = CO2(g) + 2H20(1) !! AH°F CH4(g)= -74.8…

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Q: The solubility of BasO, in water at 25 °C is measured to be 0.0023 . Use this information to…

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Q: .COOH CN COOH NC b)

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Q: Consider the reaction A→ B with AH° = -97.7 kJ/molpn- What should be the AH° in kJ/molm for the…

A: Interpretation - Consider the reaction A→B with ∆Ho  = -97.7KJ/molerxn then what should be the  ∆Ho…

Q: CI NaOEt

A: It is an elimination reaction. Sodium ethoxide(NaOEt) is strong base. It gives two products cis and…

Q: 10. Which entlalpy change is involved in the reaction? A--406K]mol" Na' (a) + ag- Nal A) Hydration…

A: Here sodium ion is present in gaseous state and when it is dissolved in aqueous solution, there is a…

Q: Which of the following is the most stable towards heat? * O plastic O sugar O benzoic acid O sodium…

A: Heat stability is the property of a molecule to retain it's structure intact in high temperature.

Q: The sublimation of carbon dioxide at -78°C is Calculate ∆Ssub when 24.8 g of CO2 sublimes at this…

A: Given that:  T = -78°C = -78°C + 273 = 195K  Mass of CO2 = 24.8g  Molar mass of CO2 = 44g/mol…

Q: Al(ОН), + Al (SO.), + _H_SO̟ HO ↑

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Q: RNTAHTUM SIBI MNMI UULMN FIRIAIRID IUMV VE RUNTSECMNB MKLI UEMECHROM IUMANLTSUOXYGE N M EIAHELRNI…

A: The fill up the blank -

Q: Convert 75°F to K

A: The temperature is given in the Fahrenheit unit and it is 75oF. The temperature in K is =?

Q: Calculate the change in temperatue in  °C when 5.5 grams water absorbs 110 calories.  The For water…

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Q: The following graph shows the solubility of KBr in water in units of grams of KBr per 100 g of H,O.…

A: The following figure shows the solubility of KBr in water in units of grams of KBr per 100 g of H2O.…

Q: Es(OH), + H(NO,) → |

A: The element 'Es' here is named as Einsteinium and it forms Einsteinium hydroxide because it belongs…

Q: 15. What is Hess's Law? How IS It used? Why is It Importaht in chemistry? Explalh your Ideas and…

A: Hess’s law states that the overalls energy change in the chemical reaction is equal to the sum of…

Q: What is the ΔH°rxn of this given reaction? Round your answers in 2 decimal places   KOH + HNO3 →…

A: Reaction KOH + HNO3->>KNO3+ H2O

Q: In one period th A. Sublimation B. Dissolving

A: We know that, when we make a change that pushes the system towards equilibrium, the potential goes…

Q: -nthalpy change for the reaction mol) for the reaction?

A: For spontaneous reaction  ∆G < 0    ∆G, ∆S  and ∆H  relation  ∆G = ∆H - T ∆S  Given that  ∆H =…

Q: What happens to the equation AG = AH - TAs when the temperature is 0 K? O a. When T=0 then AG = AH +…

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Q: H2N HO CI xs NH3 SOCI2 1. PrMgBr pyr 2. H30* B D Et CrO3 ELOH Et,CuLi OEt Et Но H2SO4 НзРОд, heat A…

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Q: The normal freezing point of n-octane 1C8H182 is -57 °C. (a) Is the freezing of n-octane an…

A: The temperature at which a substance undergoes phase transformation from liquid state to solid state…

Q: (aq) UH (aq) You can make any reasonable assumptions about the physical properties of the solution.…

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Q: A graph of the In(Keq) vs. 1/T allows which of the following to be determined directly from the…

A: Since you asked multiple images questions so as per Q&A guidelines of portal I solved first…

Q: When 4.75 g of sodium hydroxide (NaOH) was dissolved in 50.00 g of water a value of 11.00oC was…

A: The moles of sodium hydroxide in 4.75g can be calculated as

Q: ΔΗ = -55.84 kJ/mol 'neutralization

A: According to question  NaOH +HCl --> NaCl + H2O  For trial 1  Mass will remain same, mass of…

Q: How HgSO4 is used ?

A: Given compound: HgSO4

Q: Consider the reaction A→ B with AH° = 28.62 kJ/molxn- What should be the AH° in kJ/moln for the…

A: Explained as follows

Q: Me Me H2SO, Me H20

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Q: You place 6 bottles of water, each starting at 25°C in to ice chest. Let each an bottle have of…

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Q: 8) _VF, +HI O_ V,10 +_ HF - - 9) OsO, + PECI, O PtO, + _ OsCI, OsCla 10) H3 + NaBr D HBr + Nas -

A: Balance chemical formulasfor placing coefficients in front of them .Do not add subscripts ,beacuse…

Q: How many milliteters CmL) of 1.0M Na OH woruld be needed to neutralize and precipitate 20.0L oh…

A: Acid reacts with base to form salt and water. This reaction is known as neutralization reaction. So,…

Q: 1. Use the AG = AH – TAS relationship to justify why the solubility of KOH(s) in water decreases as…

A: Since S0 value for KOH(s) is greater than that for KOH(aq), it can be said that in dissolution of…

Q: Calulate the mass percant of Naz 504 in a solution containing of Naz SO4 in wate, where in the water…

A: Given: Mass of Na2SO4 = 20 g  Volume of water = 1 ft3 To find: Mass percent of Na2SO4

Q: Consider the reaction A→B with AH° = -71.25 kJ/molxn- What should be the AH° in kJ/molm for the…

A: Given that enthalpy of reaction A → B, is -71.25 kJ/mol We are asked to find the enthalpy of…

Q: It is observed rhat 37.85 g of NaCl(MW=58.44g/mol) dissolves in 200.0 mL of water at 50 degrees…

A: 37.85 g of NaCl   = ( 37.85 / 58.44 ) = 0.6476 mole of NaCl

Q: The solubility of BaSO, in water at 25 °C is measured to be 0.0023 Use this information to calculate…

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Q: A bottle of concentrated HClO4 has the following information on its label: gmw= 100.5, SG= 1.60; 70%…

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Q: What is ΔSsurr (in J/K) if ΔHsys is -27.2 kJ and T is 379 K?

A: • The values provided in the question are:-    i) Enthalpy change for the system of a spontaneous…

Q: Ar Хе SO, Не

A: Density = mass/ volume  Volume = constant   Density directly proportional to the mass  Molar mass of…