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What is the structure for an H NMR of C7H9NO giving signals of: 6.93, (0.93 H, triplet); 6.20 (1.03 H, doublet); 6.13 (1.01 H, doublet); 6.05 (1.03 H, singlet); 3.62 (3.00 H, singlet); 3.56 (3.01 H, singlet)?
what is the underlying electronic reason for all periodic trends?
Mass of magnesium: 0.6 g Moles of magnesium. Mass of magnesium oxide: 1.00 g Moles of magnesium oxide
Of the seven categories of matter (metallic network, non-metallic network, ionic-covalent network, ionic network, polar molecular, weakly polar molecular, and non-polar molecular), which are the most similar. Why
a 280ml flask contains pure helium at a pressure of 754 torr . a second flask with a volume of 475ml contains pure
What product or products would you expect to obtain by the addition of bromine to cis-cinnamic acid, assuming that it reacts by the same mechanism as the trans acid
What happens to the voltage of this cell as the cell is discharged? Why? a. Voltage increases b. Voltage remains the same c. Voltage decreases d. because product concentrations are increasing
a 0.100l sample of a solution containing an unknown concentration of sodium hydroxide requires 22.7 ml of 1.00 m
ow many milliliters of 0.200 M NaOH will be required to titrate 8 mL of 0.479 M H2SO4
How many grams of propanol (C3H7OH, 60.10 g/mol) would be needed to make 750 mL of a solution with an osmotic pressure of 25 atm at 25°C? (R = 0.0821 L/atm/K/mol)
If 0.100g of a known inorganic complex [Ni(H2O)4(NH3)2]Cl2 is dissolved in 1000mL of water how many mL of 0.025 M AgNO3 would be required to titrate the liberated chloride
the volume of a manifold used to transfer gases is calibrated using boyles law. a 0.251-dm3 flask at pressure of 697
This is for the dissolution of (NH_4)(NO_3) in water. If 4.52 mole of NH_4 NO_3 are dissolved, how many total moles of ions are produced
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