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Two carbon atoms are present in the simplest member of which of the following types of hydrocarbon derivatives?
a. a phenol
b. an ether
c. an alcohol
d. a thiol
how many grams of MgCl2 are contained in 225mL of a 0.650 M solution
What would be the equilibrium pH value of rainwater if atmospheric SO2 gas were its only dissolved constituent? Assume that the fugacity (activity) of SO2 gas in the atmosphere is 5 x 10-9 bar
Which of the following is an experimental fact that valence bond theory cannot explain, but molecular orbital theory can? the paramagnetism observed for O2 the N-N bond order in N2 the rotational barrier about the C-C bond in ethylene the existenc..
What is the value of Kf for acetic acid, given that its freezing temperature is 16.6 C and its density is 1.049 g/mL? Experiments show that a solution prepared by dissolving 5.00 grams of water
One of the nobles gase of group was isolated in 1894 by allowing a large volume of air to react with magnesium so that the only noble gas, contaiminated with tracs of other noble gases,
2 naclo3 -gt 2 nacl 3 o2determine the number of moles of o2 produced by the decomposition of 639 g of
when 0.800 grams of NaOH is dissolved in 100.0 grams of water, the temperature of the solution increases from 25.00 degree to 27.06 degree .
Provide one complete series of sample calculations to show how you determined the concentration of the HCl unknown. Calculate the average concentration of the HCl solution.
Calculate the pH of a solution formed by mixing 65-mL of 0.22M NaHCO3 with 75-mL of 0.15M Na2CO3.
if the reaction rate doubles when the temperature is increased to 35 circ rm c what is the activation energy for this
What is the pH of the solution when the titration is half way to the end point?
question 1. a solution of 0.100 m acetic acid is prepared.a what is its ph value?b if 20 of the initial acetic acid is
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