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Problem- Escherichia coli cells are about 2 micron long and 0.8 micron in diameter. How many E. coli cells laid end to end would fit across the diameter of a 0.5 diameter pin head? Do I find the area of the ecoli or how do I set this up?
Please explain why you chose your answer!
If 10.6 kilograms of Al2O3(s) , 54.4 kilograms of NaOH and 54.4 kilograms of HF react completely, how many kilograms of cryolite will be produced. What is the total mass of the excess reactants left over after the reaction is complete
An Nd:YAG laser emits photons at 1064 nm in a pulse of 5.0 ns duration with a total energy of 300 mJ. What is the power (energy per time) associated with such a pulse. How many photons are emitted in such a pulse.
For which elements (main group or transition) do the numbers of electrons in the outer or valence, shell correspond to the group number
What is the wavelength (in meters) of photons with the following energies. In what region of the electromagnetic spectrum does each appear.
if c6h12o6 yields c2h5ohco2 then balance this equation and determine what the percent yield for the reaction isnbspif
What complementary functional group would need to be present in the neuraminidase active site for (a) hydrogen bonding and (b) ionic interactions to oseltamivir to be observed?
Write out a wave function for a one dimensional free particle with constant probability of finding the particle at amynpoint in one dimension
The rate constant for a certain chemical reaction is. 0.0125 L mol^-1 s^-1 at 25 degree Celsius and 0.0125 L mol^-1 s^-1 at 50.0 Celsius. What is the activation energy for the reaction, expressed in kJ mol^-1
a 150 ml buffer solution containing 0.100 m hydrocyanic acid hcn ka6.2 x 10-10 and .100 m soudium cyanide nacn has 30.0
Which one of the following metals is not oxidized by nitric acid
The addition of H2 to C=C double bonds is an important reaction used in the preparation of margarine from vegetable oils.
If the total pressure inside the container is 350 mm Hg , what is the partial pressure of each individual component?
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