Which of the following could be useful for determining the chemical formula for pentaerythritol tetranitrate? Select all that apply. A. combustion analysis B. a bathroom scale C.O a microscope D.Da mass spectrometer E.a cathode ray tube F.O a ruler

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Q: (v) (vi) Ph 10-t CO₂H CH,Ph Ac₂O, TSOH (i) LDA then Mel (ii) P(OME)3, heat PhS á OH CH,Ph

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Q: Br но-

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Q: Exercises 1. Which compound has the higher boiling point, CH₂CH₂CH₂CH₂CH₂NH₂ or CH₂CH₂CH₂CH₂CH₂CH₂?…

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Q: How many moles of CH₃OH are there in 31.5 mL of 0.400 M CH₃OH?

A: Given :  Volume of CH3OH solution = 31.5 ml  Molarity of CH3OH solution = 0.400 M

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Q: What is the concentration of a solution made with 0.200 moles of KOH in 400.0 mL of solution?

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Q: A solution contains 0.171 M ammonium iodide and 0.339 M ammonia. The pH of this solution is

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Q: QUESTION 28 What is the pH of a 0.056 M HCIO4 solution? O a. 12.75 O b. 11.12 O c. 2.88 O d. 15.25 O…

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Q: Using stoichiometry, you calculate that you will create 0.43 moles of carbon dioxide when you react…

A: The explanation is given below-

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Q: == Q5.50 Homework Unanswered What is the enthalpy of formation (AH°f, in kJmol-¹) of Pb(NO3)2(s)? ✪…

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Q: What is the difference between an element and an isotope?

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Q: Be sure to answer all parts. Isooctane (C8H18; d = 0.692 g/mL) is used as the fuel during a test of…

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Q: Write the steps of writing these chemical elements in Excel?

A: Press CTRL+1. Under Effects, check the Superscript or Subscript box, and click OK.

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Q: Which reaction is an acid-base neutralization reaction? A JU.

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Q: Given that at 25.0 °C K for HCN is 4.9 x 10-10 and Kb for NH3 is 1.8 x 10-5. calculate Kb for CN and…

A: To calculate the value of Ka and Kb , we would use the relation between Ka and Kb given as : Ka × Kb…