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Presuming the sun can be approximately described as a black body find the surface temperature of the sun if an emitted energy density vs. wavelength plot exhibits a maximum at 500 nm. Explain what is the color of light of wavelength 500nm?
If 26.64 mL of a standard 0.1650 M NaOH solution is required to neutralize 39.00 mL of H2SO4, what is the molarity of the acid solution
Presume that natural gas mostly CH4 produces heat equal to 890.35 KJ/mol when burned is it cheaper to heat with electricity or natural gas? A std ft3 is measured at 60 F and 1 atm
consider the following reaction3caco3 2fepo4 ca3po42 fe2co33a which of the following reagents is the limiting
Determine if a precipitate forms when the following solutions are mixed. Write the overall equation, the total ionic equation, and the net ionic equation. PbNO3(aq) + 2KI (aq)
Briefly explain why you can make the assumption that all of the SCN- ion in solutions S2-S6 has been converted to FeNCS^2+ ion.
A 0.16-mole sample of nitrogen gas occupies a volume of 2.35L . What is the volume of 0.34mol of nitrogen gas under the same conditions
An aqueous solution of sulfuric acid contains 571.6 g of H2SO4 per liter of solution as well as has a density of 1.329 g/mL a) Compute the mass % of the solution.
How many chiral centers are there in aldosterone. How many total stereoisomers are there in aldosterone
What is the molar mass of a nonpolar molecular compound if 5.52 grams dissolved in 36.0 grams of benzene begins to freeze at -1.87 °C? The freezing point of pure benzene is 5.50 °C and the freezing point depression constant, Kfp, is -5.12 °C/m.
Consider the following equilibrium: Cu2+ + 4NH3 Cu(NH3)42+ (Kf = 4.8e+12) A solution is made by mixing 10.0 mL of 0.90 M CuSO4 and 1.50 L of 0.490 M NH3
Calculate the volume of ammonia required to bring the pH to 3.00 and to 8.00. Kb (NH3) = 1.8 x 10^-5.
Draw the skeletal structure of the enantiomer(s) of (2R,4R)-(-)-rose oxide. Draw the skeletal structure of the diastereomer(s) of (2R,4R)-(-)-rose oxide.
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