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What is the principle quantum number for the inner transition metals? (the atomic numbers are 57 through 102, called the lanthanide series, some of the elementrs are La and Yb).
What is the n? What is the l?
Compute the equilibrium partial pressures of Carbon dioxide and CO gases. If equilibrium constant Kp for this reaction =1.52,
10M NaF solution is slowly added with stirring, to a solution that contains 10M Ca(NO3)2 and 10M Cr(NO3)3 .Which salt CaF2 - or - CrF3 precipitates first? The Ksp for CaF2 = 5.3x10^-9 & Ksp for CrF3 = 6.6x10^-11
What might you conclude about the structures of these 3 (X,Y,Z)compounds?
The normal melting and boiling points of O2 are -218C and -183C respectively. Its triple point is at -219C and 1.14 torr, and its critical point is at -119C and 49.8 atm.
How do you calculate the force of water hitting a concrete cylindrical pole. The velocity of the water is 2 ft/s, the depth of the water is 10 ft, and diameter of the pole is 3 ft. So what would be the total force exerted on the pole by the water?
A solution is prepared by mixing 75.0 mL of 5.00 M HCl and 20.0 mL of 8.00 M HNO3. Water is then added until the final volume is 1.00 L. Calculate [H+], [OH -], and the pH for this solution.
what is its molecular formula? Enter the formula in the form CH first, then all other atoms in alphabetical order; do not use subscripts.
explain why the coupling of the diazonium salt with a phenol or an aromatic amine occurs at the para position.
THE RATE CONSTANT FOR A CERTAIN REACTION IS K=1.40 * 10^-3 s^-1. if the initial reactant concentration was o.250 M, what will the concentration be after 5.00 minutes
A United Nations toxicologist studying the properties of mustard gas, S(CH2CH2Cl)2, a blistering agent used in warfare, prepares a mixture
White phosphorus is a molecular solid made of molecules of P4. A 3.88 g sample of white phosphorus starts at 24oC. Calculate the amount of heat (in J) required to melt the sample.
Determine E° for the reduction half-reaction Ce4+(aq) + e- → Ce3+(aq), given that the cell voltage for the following voltaic cell is E°cell = 1.887 V:
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