The vapor pressure of propanone is 15.40 kPa at 10C and 81.65 at 50C. Calculate the temperature at which propanone will boil at a pressure of 101.3.

Q: The boiling point of hexane at 1 atm is 68.7C. Estimate its vapor pressure at 50C.

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Q: Write the nuclear reaction of I-131 that undergo alpha, alpha, alpha, beta, positron emission, gamma

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Q: Calculate the pH of a 0.25 M ammonium chloride solution with a Kb value of 1.8 x 10-5. NH4+ (aq)  +...

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Q: When 12.0 mL of a 3.90x105 M potassium sulfide solution is combined with 15.0 mL of a 2.94x10-4 M si...

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Q: How will you prepare 70 mL of 0.8% (w/v) CsCl?  A. Put 0.56 g CsCl into a beaker then add 64.4 mL di...

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Q: the tion of peer Tambe iberts Taw the visible region, if NaCl is given stead of CuCl2, what will be ...

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Q: rate

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Q: The ΔH for the solution process when solid sodium hydroxide dissolves in water is 44.4 kJ/mol. When ...

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Q: What should be the pH range of an indicator that has a Ka of 5.21x10-4? (А) 3 to 5 (в) 3.28 to 5.28 ...

A: Given,  The pH range of the indicator that has ka of 5.21 × 10-4  is:

Q: What volume of concentrated 15.0 M nitric acid is required to make 300.0 mL of a 2.50 M nitric acid ...

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Q: 12) If gloves are not worn when handling the cuvette in a spectrophotometry xperiment, how would thi...

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Q: Determine the weight of the sample needed to be mixed to create a 125ml of the following compounds. ...

A: Given:: molarity of NaOH = 6 M  volume of NaOH = 125 ml = 0.125 L  molar mass of NaOH = 40 g mol-1 w...

Q: A 50.0 mL of 0.02 F ammonia solution is added to a solution containing 0.004 g Ni2, 0.003 g Mn2, and...

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Q: 7. Which of these two compounds will have a higher melting point? Explain your choice. KF and CaF:

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A: The energy of cyclobutadienyl cation (C4H42+) is needed to be determined using the Huckel MO approac...

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A: Given :- Half life of 47Ca2+ = 4.5 da  Time = t = 48 hour = 2 day  Amount of 47Ca2+ present at time ...

Q: A 1x working solution contains 50mM of EDTA. What is the EDTA concentration in your 91x concentrated...

A: Given: 1x working solution contains 50mM of EDTA.

Q: Give a possible equation you could use to  prepare 2-methyl-2-phenyl-pentanal using a  pinnakol rear...

A: Below attached file showing the details answer.  All the best 

Q: Be sure to answer all parts. The equilibrium constant (K) for the formation of nitrosyl chloride, an...

A: Given that -  For the following reaction -  2NO(g) + Cl2(g) -----> 2NOCl(g)  Kc = 3×104  and mole...

Q: 4. Which of these two metals will have a higher melting point? Explain your choice. Na and Al

A: Al has higher melting point than Na.  Metallic lattice of sodium is weak than Aluminium. 

Q: Would an indicator that has a Ka of 1.92x10-11 be suitable for a titration with an end point of 8.31...

A: Given:-

Q: You wish to measure the iron content of the well water on the new property you are about to buy. You...

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Q: Be sure to answer all parts. Consider the equilibrium between molecular oxygen and ozone 30;(g) = 20...

A: The given reaction is  3O2(g) <===> 2O3(g)

Q: Determine the weight of the sample needed to be mixed to create a 125ml of the following compounds.

A: Given data from the question:: Molarity of marble= 4M Volume = 125 ml = 0.125 L weight of sample = ?...

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A: Reaction Quotient (Qc) :-  The ratio of product of concentrations of products to the product of conc...

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A: Given  Wavelength (λ) = 7.071×10-29 m Velocity (v) = 0.100 m/s Mass (m)= ? From , λ= h/mv Here,  h =...

Q: At 750 degrees Celsius, this reaction reaches an equilibrium in a 2 liters container. H2 (g) + CO (g...

A: Recall the given reaction,     H2 (g)  +  CO2 (g)  <------>  H2O (g)  +  CO (g) At equilibrium...

Q: Question 4 Calculate the wavelength of visible light (in nanometers) that has a frequency of 6.831 x...

A: We are given : Frequency of light = 6.831 * 1014  Hz

Q: The solubility of CO2(g) in water at 25 °C and under a pressure of 1.00 atm is 1.45 g/L. If the air ...

A: Air pressure is 1.00 atm. Pressure of CO2 in air =0.036100×1.00 atm=3.6×10-4 atm

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Q: N204(g) = 2NO2(g) The AH° for this reaction is > 0. If the temperature is increased by 20.0 k while ...

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Q: 2. In the pH metric titration of strong and weak acid mixture against strong alkali, generally first...

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Q: NH4* ag) + NO2 (ag) [NH,*] ---> N2(8) + 2H2O). [NO2] ΕΧPT RATE 0.020 M/s. 0.030 M/s. 0.005 M/s. 1 0....

A: In the rate law, the rate of the reaction is directly proportional to the concentration of the react...

Q: Be sure to answer all parts. Consider the equilibrium between molecular oxygen and ozone 30,(3) = 20...

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Q: How many grams of NaBr would be needed to prepare 700 ml of 0.230 M NaBr solution?

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A: We have to tell the name of the stage when the number of moles of the titrant is stoichiometrically ...

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Q: What is the cobalt(II) ion concentration in a solution prepared by mixing 351 mL of 0.372 M cobalt(I...

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Q: 16 Calculate the solubility of Ag,CrO, in water at 25 °C. You'll find K, data in the ALEKS Data tab....

A: Ksp value for Ag2CrO4 is 1.12 × 10-12 Ag2CrO4 <---------------->   2Ag+    +       CrO4-2     ...

Q: 2. A 200 ml of 0.05 F hydrogen sulfide solution is added to 25 ml 1.5 F acetic acia solution. Comput...

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Q: How much of your 41mM TE buffer and how much water do you need to prepare 327ml of a 4.2mM TE soluti...

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Q: 6. Methanal (HCHO) 7. Naphthalene (CioHe) 8. Acetanilide (CH;-NHCOCH) 9. Uracil NH Cyclohexane (CH12...

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