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A metal cylinder has a length 7.2cm along with diameter of 1.4. It is dropped in a graduated cylinder filled with water upto 61.3ml mark. At what mark must the water level rise after the cylinder is dropped
The mass spectrum of a compound that contains two bromine atoms gives isotope peaks with relative intensities of 1:2:1 for the M, M+2 and M+4 peaks, respectively. Explain why.
what will be the equilibrium temperature when a 245 g block of lead at 300oc is placed in 150-g aluminum container
gasoline has the density of .73g/cm^3. how many liters of gasoline would be required to increase the mass of an automobile from 1271 kg to 1305 kg.
Explain how does the electron get from one lobe of a p orbital to the other without passing between them
The simplest carbene known is methylene. The non-bonded electrons can be paired (singlet methylene) or unpaired (triplet methylene).
A 6.38 mg sample of potassium hydrogen phthalate was dissolved in 50 mL of water and to use as a standardizing aging. If 36.5 mL of NaOH was required to reach the end point, what is the concentration of the solution in uM?
A certain shade of blue has a frequency of 7.08 × 1014 Hz. What is the energy of exactly one photon of this light
When a particular metal is illuminated with photons, one electron is observed for each absorbed photon. What effect would decreasing the wavelength and number of photons, have on the electrons leaving the surface?
In the first 12.0 of the reaction, 1.8×10-2 of is produced in a reaction vessel with a volume of 0.260 . What is the average rate of the reaction over this time interval.
How does the second law explain why heat travels from a substance at higher temperature to one at lower temperature?
What is the solubility, in milligrams/ mL of BaF2 (Ksp=1.8 x 10^-7) in a solution containing 5.0 mg/mL of KF
tris acid dissociation constant is 8.32 x 10 -9. I have 0.1 m soln of tris in protonated form, o.1m soln of HCL and NAOH, and ample distilled water. Describe the preparation of 1L soln of 0.02m tris buffer, ph is 7.8
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