Organic Chemistry Answers

How many signals would the following 5 compounds give in proton (1H) NMR?

• CH₃-CH₂-O-CH₂-CH₃
• CH₃-OH
• (CH₃)₂-CH-(C=O)-CH₂-CH₃
• Benzene C₆H₆
• Methyl benzene

Stibnite, Sb2S3, is a dark gray mineral from which antimony metal is obtained. What is the mass percent of antimony in the sulfide? If you have 1.00 kg of an ore that contains 10.6% antimony, what mass of Sb2S3 (in grams) is in the ore?

4.5 mol of HCl (g) area pumped into a 3.00L flask and heated at 80⁰C, what [Cl₂] will be found in the flask after equilibrium is established? keq at 80⁰C =0.36

5,5-dibromo-8-cyclohexyloct-2-yne

Mix 0.20 mol/L. NH-H:0 and 0.10 moLL HCl in equal volume, and calculate the pil value of the solution pkb for NH3.h2o is 4.75

The enthalpy of formation of NH3(g) as per the following reaction is -46.11 kJ/mol

at 298 K.

N2(g) + 3H2(g) = 2 NH3(g)

Calculate the value of enthalpy of formation of NH3(g) at 100 °C. The c; (JK"mol")

values are given as: N2(g) = 29.12; H2(g) = 28.82; NH3(g) = 35.06. Assume the

given heat capacity values to be temperature independent in the range.​

How can you prepare oximes from carbonyl compounds using MWI and P/M method

1.Background

2.Reagents/ Apparatus

3.Procedure (both)

4.Uses

5.Precautions

A. Reaction and Mechanism

B. Calculations

C. Conclusion

The percentage ionization of 0.12 mol/L nitrous acid is 

Identify the ions in CaHP04

reaction of anthracene with HCHO and HCl