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Propyl alcohol (CH3CH2CH2OH) and isopropyl alcohol [(CH3)2CHOH], whose space-filling models are shown, have boiling points of 97.2 °C and 82.5 °C, respectively. Explain why the boiling point of propyl alcohol is higher, even though both have the molecular formula C3H8O.
describe an experiment using only hot and cold water that would allow you to verify that the heat capacity of your coffee-cup calorimeter
Explain what is saturated sodium chloride, rather than pure water, utilized for this procedure and the subsequence washing of the organic layer
Write the electronic configuration in sublevels for the following atoms
The smallest observed frequency for a transition between states of an electron in a one dimensional box is 3.5 x 10 (14) s -1. What is the lenght of the box
ultraviolet light strikes a metal plate and ejects electrons having kinetic energy E = 2.04 eV. Calculate the binding energy of an electron at the metal surface.
What mass of PbSO4 forms when 1.25L of 0.0500M Pb(NO3)2 and 2.00L of 0.0250M NaSO4 are mixed
35mg CuSO4.5H2O (FW: 249.68) dissolved into 100mL of H2O. What is the concentration of Cu in mg/L
If hydrogen and Fe3O4 are the products when iron as well as steam is mixed, state a balanced chemical equation for this chemical reaction
Some KCl is dissolved in water at 25 degree Celsius, where it completely dissociates. The vapor pressure of pure water at 25 degree celsius is 28.3 mmHg.
tiny water drops in the air disperse the white light of the sun into a rainbow. what is the energy of a photon from the
She found that 0.3127 g of Na2CO3 was needed to completely react with 25.00 mL of the HCl solution. What is the concentration of the HCl solution in M (mol/L)
what kind of intermolcular force exist for CH2CL2, CH3CH2CH2OH, H2O2, N2(l) It can be more than one
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