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1. Write down the electron configuration of the B+ ion using the noble gas core notation?
2. What you will expect for the molecular formula, C7H6O2( Benzoic acid) if Determination of The molar mass of benzoic acid (C6H5COOH) has done by measuring the freezing- point depression in C6H6(benzene) is twice(2x) . give explanation for this apparent anomaly?
Determine the equilibrium concentrations - what are the new equilibrium concentrations of all species.
The dimerization of Nitrogen Dioxide has a rate constant of 2.45 x 10-2 L/mol min at 25 °C. What will be the concentration of NO2 after 2 minutes? given a starting concentration of NO2 = 11.5 mol/L
3H2 (g) + N2 (g) 2NH3(g), Kc = 6.0 × 10-2 at 500°C for this nitrogen fixation reaction. What is the equilibrium concentration of N2 If 0.250 M H2 and 0.050 M NH3 are present at equilibrium?
Find the volume of FeSO4 solution - What volume of 0.200M FeSO 4 solution would be required to react with 20.0mL of 0.250M KMnO 4 according to the following equation?
What is the mass of one mole of the gas when the density of a gas is 0.0151 g/mL at 150 degrees Celsius and 1.50 atmospheres?
Explain the steriochemisty of gyceraldehyde and glycerol, give reasons for absence of anomeric forms in sucrose
Determination of the partial pressures of the gases - Find the partial pressure of each of these gases in the final product mixture.
Compute the number of moles - As we know many volatile substances are present in Earth's atmosphere in trace amounts.
CHEM 354 Extended Problems, The variation of EMF for the cell below with temperature is shown in the graph below.
Compute the structural analysis of the Protein and What order will the following proteins elute from a caution exchange column loaded at pH 6?
A mixture of Helium, Neon, and Nitrogen gases has a pressure of 1.348 atm. Determine what is the partial pressure of N2 in the mixture If the pressures of Helium and Neon are 0.124 atm and 0.996 atm, respectively.
calculate the estimated ratio of the protonated form of acetylsalicylic acid to the deprotonated form of aspirin at equilibrium in the stomach? acetylsalicylic acid(Aspirin) is a weak acid with a pKa = 3.4, Stomach acid has pH = 1.4.
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