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Use the following diagram to write the sequence of orbitals from the lowest energy to the highest energy.
6s 6p
5s 5p 5d 5f
4s 4p 4d 4f
3s 3p 3d
2s 2p
1s
Two acids, each approximately 0.01 M in concentration, are titrated separately with a strong base. The acids show the following pH values at the equivalence point: HA, pH = 9.5, and HB, pH = 8.5.
A buffer is made up of 355 mL each of 0.200 M NaHCO3 and 0.134 M Na2CO3. Assume that volumes are additive. Enough water is added to this buffer to make the total volume 10 L. Calculate the pH of the buffer after the addition of 0.0300 mol of HCl t..
What is the molarity of a solution made by dissolving 8.56 g of sodium acetate in water and diluting to 750mL?the answer is .139, but how
In the mammalian system, typical fatty acid synthesized for energy and storage are generally have 16 carbons. However, the typical fatty acid found in breast milk is C12 to C14. Explain how the synthesis of fatty acids in the mammary glands differ..
titrate the first HA solution with 87.4 mL of 0.0906 M NaOH and the mixture of HA and HB in the second flask with 94.0 mL of the NaOH solution. Calculate the molarity of the HA and HB solutions.
iron has a density of 7.874. gcm3. what is the mass of a rectangular block of iron with dimensions of 3.000 cm by 4.000
the mass spectrum of an unknown ketone showed the molecular ion peak at mz 86. the relative abundances of the m to the
determine at what minimum angle relative to the centerline perpendicular to the doorway can someone outside the room
if .025 grams of Pb(NO3)2 is dissolved in 100. grams of H2O, what is the concentration of the resulting solution in parts per million?
Calculate the wavelength (in picometers) associated with hydrogen atom moving at a speed of 3.13 x 10^3 cm/s
Calculate the pH of a buffer solution that contains 0.10 M NaH2PO4 and 0.50 M Na2HPO4. The Ka of H2PO4- is 6.3 x 10-8 Question options: 1) pH = 7.90 2) pH = 6.50 3) pH = 7.60 4) pH = 6.80
The running engine of an automobile preoduces carbon monoxide Co, a toxic gas at the rate is of about 0.117 mol CO per minute. A car is left idling in a poorly ventilated garage that is 6.0m long 4.0m wide and 2.2 m hight and 20.0 C.
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