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Determine the frequency, in hertz, of radiation having energy of 4.08×10?21 J/photon b. Determine the wavelength, in nanometers, of radiation with of 218 kj/mol energy
Given chemical reaction is used to produce electricity in lead storage battery that used in automobiles generally.
Use the graph of solubility of O2 in water vs. temperature to calculate the value of Henry's law constant KH
The solubility of MX in a solution buffered to pH=2.00 is only 3.17 x 10^-8M. It turns out that HX is a weak acid. (Ka= 1.00 x 10^-15M)
For the equation: C (s) + CO2 (g) -> 2CO (g); the value of Kp is 167.5 at 1000 oC. If a 5.00 L container initially contains 2.99 atm pressure of CO2 (g) at 1000 oC, what are partial pressure of CO2 (g) and CO (g) at equilibrium?
Each day, the stomach produces 2.4 L of gastric juice that contains 0.11 M HCl. How many grams of HCL this this corresponds
A stellar object is emitting radiation at 3.75 mm. If the detector is capturing 3.3*10^8 protons per second at this wavelength, what is the total energy of the photons detected in one hour
Molecular and ionic equations, What would be the proper balanced molecular and net ionic equations for each of these neutralization reactions?
What is the theoretical yield (in mol) of carbon monoxide when 2.62 mol oxygen reacts with 2.08 mol of ethanol (CH3CH2OH) to produce carbon monoxide and water
If you have a sample of a gas at 25.0 oC and at a pressure of 4.5 atm, what will the pressure be if the temperature is raised to 50.0 oC?
0.151 g ofpiperonaldehyde, and 0.80 mL of ethanol, and added 0.10 mL of NaHOsolution (0.60 g/mL), what is the theoretical yield of theresulting chalcone, in grams?
MgNH4PO4 6 H2O loses H2O stepwise as it is heated. Between 40 and 60 C the monohydrate is formed, and above 100 C the anhydrous material is formed. What are the phosphorus percentages of the monohydrate and the anhydrous material?
what happens to recrystallization if the crystals obtained by suction filtration are not washed with fresh hot solvent
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