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1)The volume of a single rhodium atom is 1.01×10-23cm3. What is the volume of a rhodiumatom in microliters?
2) The radius of a vanadium atom is 130 pm. How many vanadium atoms would have to be laid side by side to span a distance of 4.61 mm?
3)The mass of a single chromium atom is 8.64×10-23 grams. How many chromium atoms would there be in 301 milligrams of chromium?
calculate the heat given off when 177 g of copper cools from 155.0 celsius to 23.0 celsius. the specific heat capacity
a swimming pool 20.0 m ? 12.5 m is filled with water to a depth of 3.71 m. if the initial temperature of the water is
trans-2-Butene is more stable than cis-2-butene by only 4 kJ/mol, but trans-2,2,5,5-tetramethyl-3-hexene is more stable than its cis isomer by 39 kJ/mol. Explain.
Explain how many possible trisubstituted derivatives C6H3X2Y can be obtained from the para disubstituted benzene C6H4X2. Overlook directive effects of the substituents X and suppose that all positions on the ring are accessible to the reagent Y+.
Depict the mechanism for the formation of the pink salt of triphenylmethanol from the Grignard reagent as well as benzophenone.
Calculate average molarity of 0.1M NaOH after titration with a volume of NaOH used = 17.16 mL.
For a solution containing 0.0060 M calcium nitrate and 0.057 M nitric acid, calculate the activity of the calcium ion.
Oxalic acid dihydrate is often used as primary standard for the standardiztion of base solutions. For a procedure comparable to this experiment, approximately how many grams of oxalic acid dihydrate should be used in order to have a volume of abou..
Determine the angle for the first-order diffraction of xrays with lambda=362 pm, reflected from planes in mica (a silicate mineral) separated by 997 pm
The reaction of bromoethane with sodium hydroxide in water forms methanol. If sodium iodide is added to the reaction mixture the rate o fmethanol formation is dramatically increased (i.e. sodium iodide is a catalyst) write out the pathway that acc..
State the structure of the major organic product formed in the reaction of 1-pentene with diborane in diglyme, followed by basic hydrogen peroxide
Draw structural formulas for the following compounds, and mark any chiral centers (asymmetric carbons) with an asterisk: l-bromobutane, 2- bromobutane
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