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Explain how many allylic protons are in beta carotene? Define what are the most acidic Protons? Depict the structure of the most stable conjugate base of beta carotene.
How many pi bonds and sigma bonds does the chemical compound caffeine has, and where can one get some information on hybrid orbitals on aromatic compounds like benzene and caffeine
What is also produced when neon-20 is bombarded with an alpha particle to give oxygen-16
Explain why tea boils at over boiling point of water and explain how this is related to the drop in vapor pressure observed.
the ejected electrons have the speed v=1.06x10^6 m/s. What will be the speed of the electrons ejected from the same metal by a light of wavelength 180nm?
How many joules of heat are required to heat 143 g of aluminum from 55.0 oC to 66.5oC?
Ice has the unusual property of a melting point that is lowered by increasing pressure. if this is the reason we can skate on ice, would a 75-kg skater whose skates contact the ice with an area of 0.1cm^2 be able to skate at -3C
an airplane is pressurized to 650 mmhg. The partial pressure of oxygen is 137 mmhg. If the partial pressure of oxygen drops below 100.mmhg.
given that you are able to perform a diffusion experiment during a period of 30 days and that you are able to analyze a
How many unpaired electrons are in the ground state electron configuration for a Cobalt atom
Chlorine dioxide gas is used as a commercial bleaching agent. One method of preparing ClO2 is the reactiong of chlorine gas with sodium chlorite as:
How many moles of sodium chloride are present in the original solution. How many moles of ammonia are present originally
Copper crystallizes in a face-centered cubic lattice. If the edge of the unit cell is 351pm, what is the radius of the copper atom
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