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Where does activation energy comes from for a spontaneous reaction?
Explain the rate of a reaction is given by K [A] [B]. The reactants are gases. If the volume in use by the reacting gases is suddenly reduced to one-fourth the original volume, explain what is the rate of reaction relative to the original rate
Combustion analysis of a 13.42 g sample of equilin which contains only carbon, hydrogen, and oxygen produced 39.61 g CO2 and 9.01 g H2O. The molar mass of equilin is 268.34 g/mol. Find the molecular formula for equilin.
What is the intermolecular force of ICl4 and SCl6?
List and draw all types of noncovalent interactions (charge-charge electrostatic, hydrogen-bonding, hydrophobic reactions) that can occur between the side-chains of the following amino acids.
What is the concentration of Br- (aq) in a solution prepared by mixing 75.0ml of 0.62M iron (III) bromide with 75.0ml of water? Assume volumes are additive.
Give some values of pressure and temperature at which you are sure that the substance called zinc exists in an equilibrium state as a) solid and b) vapor
A pair of enantiomers is named below. For each stereoisomers, draw the structure. Be sure to specify the stereochemistry via wedge-and-dash bonds.
which of these has the highest vapor pressure in a sealed container at a temperature cool enough to produce a liquid? a). CH2CH2OH b). NCl3 c). H2 D). N2 e). CH2OH
Draw the Lewis structure of the molecule, assuming that the Cl atoms bond to a single C atom and that there is a C -C bond and two C - O bonds in the compound.
In an electron microscope the electrons generate the image. For one of the scanning electron microscopes in our Central Analytical Facility, the electrons are accelerated to have a kinetic energy of 200,000eV. Electrons with this kinetic energy ha..
Based on this equation, what is the value of the Rydberg constant (R) in m^-1? (5 significant figures)
If a student weighed out a 500. mg tablet of vitamin C, measured to the nearest 0.001g and recovered 0.254g of ascorbic acid. What is the percent mass of vitamin C in the tablet?
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