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Peaks that appear to the right of 3000 cm-1 in an IR spectrum are characteristic for which stretching vibration?
a. sp2 carbon-hydrogen stretch
b. sp3 carbon-hydrogen stretch
c. sp carbon-hydrogen stretch
d. really are not all that important
At a constant pressure of 1.50 atm what is the enthalpy change delta H for a reaction where the internal eneergy change delta E is 58.0 kJ
Determine how long will it take for a sample of N2O5 to decay to sixty percent of its initial value?
A solution of I2 was standardized with ascorbic acid Using a 0..1 g sample of pure ascorbic acid, 23.52 mL of I2 were required to reach the starch end point.
The entropy of sublimation of a certain compound is 7.2 J / K mol at its normal sublimation point of 76 C. Calculate the vapour pressure in torr of the compound at 28 C.
why do we have to make sure we light the fire and remove the lighter quickly to burn the nuts
total ion concentration what conductivity should be observed for 0.050 M Na2SO4?
Describe in details how we can determine the acid dissociation constant Ka for a week acid HA , include the description of the titration method and how determine the Ka from the reaction curve
How many moles of gas are present when you collect 35.83 mL of the gas over water at 25.3?C and 0.97 atm?
a thermodynamic study of DyCl3 determined its standard enthalpy of formation from the following information. Determine delta (subscript f) H for DyCl3 from the following reaction enthalpies
What is the Cl ? concentration just as Ag2CrO4 begins to precipitate when 2.0 M AgNO3 is slowly added to a solution containing 0.048 M Cl ? and 0.048 M CrO42-
What is the minimum uncertainty in the position of an electron, given that we know nothing about its speed except that it is less than the speed of light?
Assume you can heat up or cool down the reaction flask as needed for the reaction to proceed with practical rates even if no temperature is indicated in the table
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