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The vapor pressure of chloroform is 40.0 torr at -7.1 degree Celsius. Its enthalpy of vaporization is 29.2 kJ/mol. Calculate its normal boiling point.
Write balanced molecular equations for all of the chemical reactions involved in the copper cycle experiment. There are eight of them. (Note that four reactions are descibed in the recovery
Organic Reactions - Cyclopentadiene, Why is cyclopentadiene monomer more stable at higher temperatures although dicyclopentadiene (dimer) is more stable at lower temperatures?
A voltaic cell consists of a standard H2 electrode in one half-cell and a Cu/Cu2+ half-cell. Calculate [Cu2+] when Ecell is 0.25 V
Calculate the pH of the solution resulting from the addition of 10.0 mL of 0.10 M NaOH to 50.0 mL of 0.10 M HCN
what chemical process occurs in the muscle cells to cause this discomfort and what chemical reactions have possibly taken place in the the body after the exercise. What possible treatments could be done for this person and how would the treatments..
a 100-w lightbulb is placed in a cylinder equipped with a moveable piston. the lightbulb is turned on for 2.0times10-2
A given PH meter can be read with a standard deviation of +- PH units throughout the range 2 to 12 calculate the standard deviation of [H3O+] at each end of this range
Concentrated aqueous HClO4 has a concentration of 14.8 M. Calculate the concentrations of all ions present in a solution prepared by pipetting 4.19 mL of concentrated HClO4 into a 1000. mL volumetric flask and filling to the mark.
what is the boiling point of the solution in which you are going to cook spaghetti if it contains 58.0 g of nacl
If 4.00 mL of 0.200 M NaOH are added to 1L of 0.100m Calcium chloride will a precipitate form. What about 20mL
Calculate the pH of a buffer solution that is 0.423 M in H3BO3 and 0.199 M in NaH2BO3. The Ka of H3BO3 is 5.8e-10. a) The pH of this solution
15.0 mL of 0.50 M HCl is added to a 100.-mL sample of 0.496 M HNO2 (Ka for HNO2 = 4.0 × 10-4). What is the equilibrium concentration of NO2- ions?
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