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Question- The sun emits many wavelengths of light. The brightest light is emitted at about 0.483 um.
1) What frequency (in Hz) does this corresponds to?
Explain the each and every step in detail for help
the solubility of barium carbonatebaco3 is .0100 gl . its molar mass is 197.6. what is the ksp of barium
An unknown compound contains only carbon, hydrogen, and oxygen (C x H y O z). Combustion of 5.50g of this compound produced 8.07g of carbon dioxide and 3.30g of water.
Predict the partial vapour pressure of HO above its solution in liquid germanium tetrachloride of molality 0.10 mol kg-I
An electron in an excited state of a hydrogen atom emits two photons in succession, the first at 1817 nm and the second at 97.20 nm, to return to the ground state (n=1).
How many grams of KCOOH are needed to prepare 150 ml a buffered solution of pH 3.85 if the acid concentration, HCOOH is 0.1M
Balance the following equation in acidic solution using the lowest possible integers and give the coefficient of water
A compound CN is a weak organic base; a 3.50 x 10-2 M solution has a pH = 11.3. Calculate the kb for CN. The reaction is CN+H2O-->CNH+ + OH-
How many moles of O2 are required for the complete combustion of 2.2 g of C3H8 to form CO2 and H2O?
Compute the standard enthalpy of formation of gaseous diborane (B2H6) using the following thermo chemical information: 4B (s) + 3O2 (g) ==> 2B2O3 (s) change in H= -2509.1 kJ
Again, are all of the (non-zero) formal charges consistent with the relative EN's of the atoms? Are the structures reasonable?
If the methane contained in 2.00 L of a saturated solution at 25 degrees C was extracted and placed under STP conditions, what volume would it occupy.
milk of magnesia is an over the counter pharmaceutical preparation used as a laxative and for heartburn. it can be
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