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The edge length of the unit cell of potassium metal, K, is 533 pm; the unit cell is body-centered cubic (one atom at each lattice point). Potassium has a density of 0.856 g/cm3. What is the mass of a potassium atom?
the activation energy for the decomposition of hydrogen peroxide is 43 kjmol whereas when the reaction is catalyzed by
a 1.885g solid sample containing some feso4 is dissolved in water. the resulting solution is acidified and titrated to
5 grams of water are evaporated converted to gaseous water vapor. is the mass of the water less than equal to or
How many milliliters of 0.410 M KOH solution are needed to completely neutralize 48.2 mL of 0.151 M HI solution? The reaction is KOH(aq) + HI(aq) ? KI(aq) + H2O(l)
Is there an analytical technique we could employ to verify that the camphor is also racemic? What type of instrument would you use? What kind of results would you expect from a racemic product?
The volume of a 24.0g sample of methane gas is 22.8L at 40.0*C and 4.00atm. What will it's volume be at 68.0*C and 4.00atm.
When much of the ATP is depleted in a cell, a considerable amount of cAMP is formed asa product of ATP degradation. This cAMP activates an enzyme phosphorylase that splitsglycogen
What is the relative concentration of the food dye that gives rise to the green color in Monday's dessert compared to Tuesday's dessert.
Draw the complete Lewis Dot Structure, and identify for each molecule the shape, the hybridization on the central atom
What is the volume of 1.5 mol of nitrogen gas at 0.5 atm of pressure and 58 degrees celsius
Which will experience the greater effective nuclear charge, the electrons in the n=3 shell in Ar or the n=3 shell in Kr. Which will be closer to the nucleus. Explain.
Describe in detail how you would prepare 300 mL of aqueous 0.200M sodium sulfate. What mass of sodium sulfate is needed
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