The vapor pressure of ethanol is 58.7 torr at 25 °C. Determine the new vapor pressure of an ethanol solution that contains 0.125 mol sucrose dissolved into 1.545 mol ethanol. 0.925 torr 2.13 torr 4.39 torr 12.4 torr 54.3 torr

Q: How much heat is given off when 175g of water freezes at 0℃? Hf = 334 J/g ; Hv = 2260 J/g

A:

Q: Will a precipitate form when 150 mL of 0.10 M Pb(NO3)2 are combined with 100 mL of 0.20 M NaCl? Ksp…

A: We can decide whether a precipitate will form or not on the bases of the Q and Ksp values. Qsp…

Q: Sight along the C2-C3 bond of 2-methylbutane. Arrange the following conformation from lowest to…

A: Concept based on the energy of different conformers of the compounds.

Q: You synthesized 1-chlorobutan-2-ol in lab, and the next step is to confirm the identity of your…

A: Lassaigne's test is used to detect nitrogen, sulfur and halogens. This test is also known as sodium…

Q: Which acid would be the best to combine with its sodium salt to make a solution buffered at pH 5.25?…

A: Here we have to determine the mass of sodium salt of conjugate base required to form buffer solution…

Q: At 300°C, the Kp is 27 for the system below: XY5(g) XY 3(g) + Y₂(g) = In a 5.0-L flask, a gaseous…

A:

Q: H3C н ОН + CH3OH H+ I

A: In this given reaction butanoic acid reacts with methanol in acidic conditions to yield ester…

Q: Lead (II) carbonate decomposes to give lead (II) oxide and carbon dioxide: PbCO3 (s)-> PbO (s) + CO2…

A: The percentage ratio of actual yield to the theoretical yield is known as reaction yield.

Q: СН3 NH₂ + сн3 Вг ?

A: This reaction is the formation of secondary amine by treating primary amine with alkyl bromide. This…

Q: How many molecules of O2 will react with 6.022 × 1023 molecules of H2 to make water? The reaction is…

A: We have to calculate molecules of O2 using the given reaction and molecules of H2

Q: 2- Calculate natural abundances of Li and 3Li knowing that the atomic mass of the Li is 6.0151 amu…

A:

Q: What is the molar solubility of Zn(OH)₂

A:

Q: EXPERIMENT Determination of Molecular weight: Approximately 0.3 grams of unknown acid is dissolved…

A: Reacll the given net ionic equation,                                HX aq  +  OH- aq  ↔  H2O l  +…

Q: When 10.0 g of NH3 reacts with excess of NO, the actual yield of N2 is 8.50 g. Determine the…

A:

Q: How would you convert 1-chloro-3-methylbutane to N-ethyl-4-methylpentanamine. a) NH₂CH₂CH3, DCC b)…

A: In the given reaction the 1-chloro-3-methylbutane is converted into N-ethyl-4-methylpentanamine by…

Q: At 25°C, Keq = 4.8 x 10-6 for the balanced decomposition reaction of 2 moles of ICI. 2ICI(g) 1₂(g) +…

A:

Q: Consider the equilibrium system below, 2C₂H6(g) + 702(g) = 4CO2(g) + 6H₂O(g) AH-3120 kJ How will the…

A:

Q: a) Determine the theoretical yield in gram  of HCl If 60.0 g of BCl3 and 37.5 g of H2O are reacted ?…

A:

Q: In the reaction, NH3N₂ + H₂, the number of moles of each substance at equilibrium in a 3520mL…

A:

Q: Answer the following: Maria was given a capsule of multivitamins and she was asked to determine the…

A: Given as  The weight of Ascorbic acid is  1.032 g. We have to determine the % by mass (w/w) of…

Q: H₂N N=N N

A:

Q: reservoir (inflow) and where the water flo (outflow). Compare these values to your graph and…

A: The data of concentration v/s Absorbance is as shown below: Concentration (M) Absorbance 0.001…

Q: Will adding carboxylic acid  added in excess and the alcohol as the limiting reagent maximize the…

A: Yes when we add carboxylic acid in excess it helps in shifting the equilibrium to the product side…

Q: 7. What mass of potassium nitrate (KNO3) will dissolve in 200 grams of water at 60°C? 8. Determine…

A: Since you have asked multiple question, as per our company guidelines we are supposed to answer the…

Q: I. H3PO4 / PO4³- II. C9H7O4H / C9H7O4 III. H₂CO3 / CO3²- V. (CH3)2NH₂ / (CH3)2NH I and III II and IV…

A:

Q: For this item 5, refer to the table below. The initial rates for the reaction: 2CaO + 2H₂O à…

A: Given reaction is :  CaO + H2O ----------> Ca(OH)2  Experimental table is :

Q: 1- Sodium carbonate with the molecular structure of Na2CO3 with formula weight of the sodium…

A: Molecular weight of Sodium element= 23 g/mol ,  Molecular weight of Carbon element = 12 g/mol…

Q: 24. What is 0.0032 gallons in ml? 25. If you are going 55 mph, what is your speed in meters per…

A:

Q: In which of the following equilibrium reactions will Kc be greater than Kp? O CH4(g) + 2O2(g) =…

A:

Q: Label the following pairs of compounds as: a. identical b. constitutional isomers c. neither Place…

A:

Q: N=+N + H₂PO2

A: In this reaction of benzene daizonium chloride and hypophosphorous acid, required reactants are…

Q: Coral uses carbonate ions to form its calcium carbonate skeleton according to the following…

A: This can be explained by La-Chatelier principle

Q: Reagents A. Cu(SO4)2, NaHCO3, Na-citrate B. concentrated HCI, orcinol, FeCl3 C. Alkyl chloride,…

A: Here we have to differentiate the following given two carbohydrates by chemical test.

Q: What is the pH of a 0.012 M Ca(OH), solution? 1.92 12.08 1.62 12.38

A:

Q: Name the compound as a phenol. OH CH3

A: Here we are required to name the organic compound

Q: Reagents A. Cu(SO4)2, NaHCO3, Na-citrate B. concentrated HCI, orcinol, FeCl3 C. Alkyl chloride,…

A: Here we have to differentiate the two given hydrocarbons by chemical test . Aromatic compound though…

Q: Determine the decay constants ( in seconds) for iodine and magnesium given half lives are 8.04 days…

A: Relationship between half life and decay constant is given as,

Q: Nitric acid, HNO3, is a strong acid. Calculate the pH of a 0.29 M solution of nitric acid. Answer:

A:

Q: From this reaction H₂(g) + I2(s) à 2HI(g), H2(g) 12(s) HI(g) Sᵒ (J/mol K) 87.4 5.7 27.3 AH'f…

A:

Q: (c) State the assumptions and limitations of Langmuir's Adsorption equation for a gas on solid.

A:

Q: A sample of barium chloride weighing 20.5g was dissolved in enough water to make a solution with a…

A: Given, Mass of barium chloride = 20.5 g  Concentration = 0.175 M                            = 0.175…

Q: For this item 5, refer to the table below. The initial rates for the reaction: 2CaO + 2H₂O2Ca(OH)2…

A: Detail mathematical calculation is shown below

Q: PHASE CHANGES 1. Using the phase diagram for compound X on the right, answer the following…

A: 1.   Triple point is the point in phase diagram where three lines of equilibrium between states of…

Q: & When 15.00 g of KCIO: is heated it decomposes. Give the percentage yield 3.09 g of Ois produced at…

A: Mass of KClO3 = 15.00 g Actual yield of O2 = 3.69 g Molar mass of KClO3 = 122.55 g/mol

Q: Could you distinguish between the alcohol in anti-freeze from ethyl alcohol using IR? Why or why not

A:

Q: CONCLUSIONS: The literature values listed for the unknowns in this assignment are from either the…

A: Answer - According to the question - We know that in periodic group the boiling point of the…

Q: calculate the pH and degree of dissociation

A:

Q: Explain how to do this please

A: Here is given incomplete problem. I can't see more than one line which is written as explain how to…

Q: Calculate the free energy change for the reaction shown below at 25°C. 2NO+O₂ → NO3

A: Given reaction is :  2NO + O2 ------> NO2  Calculate the free energy change for the reaction at…

Q: Write the equilibrium constant expression for this reaction: 2 H (aq)+SO (aq) → H₂SO4(aq)

A: