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Explain what is the value of the activity coefficient of Pb2 at 55.00°C while the ionic strength is 0.074 M? Crack using the temperature-dependent form of the extended Debye-Huckel equation.
A graduate student tried to make -fluorophenylmagnesium bromide by adding magnesium to an ether solution of -fluorobromobenzene.
How much heat does a 15 g sample of water absorb if it's temp increased 25 C to 75 C
Draw the skeletal structure of meso-2,3-dibromosuccinic acid (meso-2,3-dibromobutanedioc acid.) (show one wedge bond, one dashed bond, and two sticks attached to the chiral carbon.
The reaction S2O82- + 2 I- ------> 2 SO42- + I2 proceeds slowly in aqueous solution, but can be catalyzed by the Fe+3 ion. Given that Fe+3 can oxidize I- and Fe2+ can reduce S2O82-, write a plausible two-step mechanism for this reaction.
Calculate the amount (g) of each of the following salts that would need to be added to a 200mL volumetric flask to produce a 2 M solution of S?
Explain if the heat capacity of the calorimeter and its contents was 24.571 Joule / degree C, from the data above, Define what is the value for burning 1 mole of the gas
At 0.0 degrees C, if the volume of air is 1.7 mL and the pressure of the atmosphere that day is 695 mmHg, what is the number of moles of air?
Calculate the bond order in the following species. Predict which of the two species in the following pairs has the higher vibrational frequency:
Calculate the average speed of an oxygen gas molecule, O2, at 19.0 degrees Celsius.
when 50. grams of ethane gas is burned completely in oxygen. carbon dioxide and water vapor are produce. how many
During the reaction A+B to C, reagant B was held in excess at a concentration of 0.150 M. The order of B was 1. Next, by plotting collected data as ln [A] vs. time, a straight line was made with slope= -0.3045
What is the molality of chromium(III) chloride in a solution prepared by dissolving 75.2 g chromium(III) chloride hexahydrate (CrCl3· 6H2O) in 250.0 g of water.
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