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A 500ml portion of a solution at pH=13 will just barely dissolve 3.2x10-4 moles of calcium hydroxide. What is the Ksp of calcium hydroxide?
what is the weight of O in 742.0 g of citronella oil that has the chemical formula C10H18O
Decide how many of the molecules below can also be both cis and trans ring fused by building models
What mass of oxygen (in grams) reacts when 14.2 g of ethanol (CH3CH2OH) are combusted in oxygen to produce carbon dioxide and water
When sodium chloride is added to the solution, no precipitate forms. when sodium sulfate is added, a precipitate forms. this precipitate is filtered of and sodium carbonate is added to the solution
The energy of the electron in the lowest level of the hydrogen atom (n=1) is -2.179×10-18 J. What is the energy of the electron in level n=6
Illustrate this by showing the reaction of trans-p-anisalacetophenone with bromine and 2,4-dinitrophenylhydrazine to give the corresponding products
By plotting these data in a suitable fashion, determine whether the Clausium-Clapeyron equation is accurate. If so, use your plot to determine ΔHvap for C6F6.
A meteorological ballon contains 250.0L He at 22 degrees celsius and 740.0mm Hg. If the volume of the ballon can vary according to external conditions
If p-nitroacetanilide is hydrolysed in acidic solution, why does hydrolysis not take place during the nitration with HNO3 and H2SO4.
An atom of element number 33 (As) is in its ground electronic state. Which one of the following sets of quantum numbers could not apply to any of its electrons
Determine what mass of titanium displaces 65.6mL of H 2 O at the temperature 25 degree Celsius if the density of titanium metal is 4.51 g/cm 3 at the temperature of 25 ° C .?
Elements from the alkali metals will combine in what ratio with the chalcogens. Covalent bonding is showing what type of interaction between electrons
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