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Record the dissolving time and add your comments about the similarity or difference you notice between salt and sugar. Does the type of bond affect either dissolving time?
Discuss the type of bond and how it affects the physical properties of salt and sugar based on the ability to dissolve.
Lithium fluoride(LiF) exhibits predominantly ionic bonding. THe Li+ and F- ions have elctron structures that are identical
certain first-order reaction () has a rate constant of 1.00×10-2 at 45 . How many minutes does it take for the concentration of the reactant, , to drop to 6.25 of the original concentration?
Starting with 3.00 moles of HBr in a 12.0 L reaction vessel, calculate the concentrations of H2, Br2, and HBr at equilibrium.
While 250 mol of ch4 reacts with excess cl2 at constant pressure according to the chemical equation shown below. 177 kJ of heat are released. Compute the value of delta H for this
The rate constant for the first-order decomposition of N2O is 3.40 s to the -1. What is the half-life of the decomposition
You are told to buy 5 packages of deli turkey, 3 loaves of bread and one jar of pickles. Our question is: how many sandwiches can we make?
Compute a wavelength of the yellow light emitted by a sodium lamp if the frequency of the radiation is 5.10*10^-14hz
Draw and describe the mechanism of reaction (using arrows for electron pushing), is it SN1, SN2, E1 or E2? Does the acetaminophen have to deprotonate to the phenolate before reacting?
The species called glacial acetic acid is 98% acetic acid by mass (d=1.0542g/ml). What volume of glacial acetic acid must be added to 100 mL of 1.00M NaOH to give a buffer with a pH of 4.40?
You obtain the following six measurements for the mass of water delivered by a special calibrated volumetric pipette
What is the half-life of a compound if 76 percent of a given sample of the compound decomposes in 43 min? Assume first-order kinetics.
When the stopcock between the manifold and the flask is opened, the pressure in the system is 287 torr. Assuming no temperature changes, what is the volume of the manifold
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