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Compound A gives 79.37% C as well as 8.88% H by elemental analysis as well as gives a molecular ion peak of 136 on low resolution mass spectroscopy. Describe what is the molecular formula?
Explain what is the degree of unsaturation for Compound A and based on that answer, can Compound A be aromatic?
Explain what is the functional group in Compound A?
how much energy is liberated when 366 g of mercury c0.139jg degrees celsiuscools from 77.0 to 12.0 degrees
How many grams of dry NH4Cl need to be added to 2.00 L of a 0.600 M solution of ammonia, NH3, to prepare a buffer solution that has a pH of 8.89?
calculate the volume of hydrogen produced at 1.50 atm and 19 degress celsius by the reaction of 26.5 g of zince with
mg3n2s 3 h2ol 3 mgos 2 nh3ghow many moles of magnesium oxide are produced by the reaction of 3.82g of magnesium
A 5 m^3 tank comtains methane. the initial temperature and pressure are P=1bar T=18 degrees C. calculate the P following the each of the successive steps using the ideal gas law
A solution contains either cr^3+ or Ni^2+ ion. describe a reaction with a single reagent that will identify which ion is present
How long will it take for the concentration of XY to decrease to 12.5% of its intial concentration when the initial concentration is 0.100M? When the initial concentration is 0.200M?
Write a chemical equation describing the condensation process for CO2 and a chemical equation describing the freezing process for CO2. For each process discuss the change in enthalpy and entropy that occurs.
How many moles of ammonium ions are released when 1.6 mol of ammonium phosphate, (NH4)3PO4, is dissolved in water?
a 100ml reaction vessel intially contains 2.60x10-2 moles of no and 1.30x10-2 moles of h2. at equilibrium the
In which of the following equilibria would the concentrations of the products be increased if the volume of the system were decreased at constant temperature
The density of titanium is 4.51 g/cm^3. What is the volume (in cubic inches) of 4.0lb of titanium. Express your answer using two significant figures.
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