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A 15.0% (w/w) NiCl2 (129.61 g/mol) solution has a density of 1.149 g/mL. Calculate the grams of NiCl2 contained in each liter of this solution
The pressure in an automobile tire is 1.83 atm at 26.0°C. What will be the pressure if the temperature warms up to 37.0°C.
Acid catalyzed hydration of 2-pentene giives two alcohols, each with the molecular formula C5H12O. a) Draw the structure of 2-pentene.
Suppose that a fully charged lead-acid battery contains 1.50 L of 5.00 M H2SO4. What will be the concentration of H2SO4 in the battery after 3.30 A of current is drawn from the battery for 8.00 hours?
Calculate q, the fraction of solute that would remain in the water under each of the following extraction conditions: Three extractions with 100 mL of ether.
Which compounds in problem are isomers? a)2-methylpropane b)2,4-dimethylpentane c)2,2-dimethylpentane d)4-ethyl-2-methylhexane e)2,3-dichloro-4-t-butylheptane f)4-ethyl-7-isopropyl-2,4,8-trimethyldecane g)4-isobutyl-3,4-dimethyl-5-sec-butyloctane..
A 13-g sample of calcium reacts with bromine to form 24g of calcium bromide. How many grams of bromine are used in the reaction?
Determine the number of moles of O2 produced by the decomposition of 426 g of NaClO3
Fill in the lines for the orbital/arrow diagram for the valence electrons of the Dyprosium atom, including labeling the n, l and ml values and the individual orbitals that are known
Calculate the formula of a compound, given that 55.85 g of iron combines with 32.06g of sulfur.
A saline solution contains 171 mEq/L each of Na+ and Cl-. how many moles of each of Na+ and Cl- are in 1.50 L of the saline solution.
The absolute configurations for cis-1,2-dimethylcyclopropane would be a) (R,R) b) (S,S) c) either (R,R) or (S,S) d) (R,S)
what external pressures have moved mainstream medicine to accept alternative therapies? have any alternative therapies
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