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An unknown compound illustrates a weak molecular ion at m/z 87 in the mass spectrum as well as the only large peak is at m/z 30. The IR spectrum appears below. The NMR spectrum shows only three singlets: one of area 9 at 0.9 ppm, one of area 2 at 1.0 ppm, as well as one of area 2 at 2.4 ppm. The singlet at 1.0 ppm disappears on shaking with D2O. Find out the structure of the unknown compound.
Consider the following (unbalanced) general reaction equation. HI(g) + Cl2(g) reverse reaction arrow HCl(g) + I2(s). balance the reaction equation
You have proven sulfanilamide is capable of forming a stable and selective crystal lattice. Draw additional molecules of sulfanilamide and hypothesize the intermolecular interactions that are most important for providing a stable and selective cry..
How many moles of S8 are needed to make 0.600 moles of SF4? S8 + 8 Cl2 = 8 SCl2 ; 3 SCl2 + 4 NaF = SF4 + S2Cl2 + 4 NaCl
Chemical bottles labeled to contain blue-coloured NISO4 -6H20 often contain instead the green-coloured NISO4-7H2O.
A cylinder with a moveable piston contains 184mL of nitrogen gas at a pressure of 1.02atm and a temperature of 306 K. What must the final volume be for the pressure of the gas to be 1.52m atm at a temperature of 370 K
Detailed calculations show that the value of Z eff for the outermost electrons in Na and K atoms is 2.51+ and 3.49+ , respectively. What value do you estimate for Zeff experienced by the outermost electron in both Na and K by assuming core electro..
what is the percent ionization of a solution prepared by dissolving 0.0223 mol of chloroacetic acid hc2h2o2cl in 1.80 l
Without doing a calculation, which of the bonds below would you expect to have the higher stretching frequency. C-O or C=O
The composition of a gas on a dry basis is 71.0 mole% N2, 12.0% O2, 12.0% CO2, and 5.0% CO. If the mole fraction of water is 0.160, what is the gas composition on a wet basis?
She claims that the uncertainty of the bacterium's position is greater than the microscope's viewing field, and the bacterium is thus impossible to locate. What is the uncertainty of the position of the bacterium?
What volume of 0.1 M KMnO4 would be required to titrate 0.56 g of K2[Cu(C2O4)2] • 2H2O?
Calculate the change in energy required in making 70.0 mL of water from its elements under standard conditions
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