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Explain are the melting behaviors of an ice cube, table sugar and table salt. Explain is there any structural information that could account for these behaviors?
Write the chemical equation for the equilibrium that corresponds to Ka. By using the value of Ka, calculate ?G° for the dissociation of cyanic acid in aqueous solution
On a plot it shows the absorbance of a Cu(NO3)3 solution increased as it concentration increased. Do you think this relationship between abosrbance and concentration applies to other colored solutions besided Cu(NO3)2
Beaker contains aq soln of 6.94*10^-3M NiCl_2. beaker contains aq soln of 2.06*10^-5M Na_2CO_3. the two solns are mixed together (no volume change) if NiCO_3 has a Ksp of 1.42*10^-7 what do you expect to see?
the Na formed during the breakdown of NaN3 reacts with Fe2O3. How many grams of Fe2O3 are needed to react with 35.3 g Na?
How much aspirin can be made from 100.0 g of salicylic acid and 100 g of acetic anhydride? If 122 g of aspirin were obtained by the reaction, what is the percent yield?
a 1.26-g sample of an enzyme is used to make a 7.30-ml solution. what is the molar mass of the enzyme if the osmotic
glucose c6h12o6 and ammonia nh3 are anaerobically convertedfermented by yeast ch1.74n0.2o0.45 to ethanol c2h5ohglycerol
a gas has a pressure of 5.51981 atm when its volume is 3.16 l. what will the pressure be when the volume is changed to
consider the reaction : 3A (g) + 2B (g) = 4 C (g) a ) determine the expression for the rate of the reaction with respect to each of the reactants and products
balanced chemical equation for dehydration: k3[Fe(C2O4)3].3H2O --> K3[Fe(C2O4)3] + 3H2O results: weight of container 38.185g, weight of container and hydrated salt:
sodium-24 is a radioistope with half life of 15 hours. A sample of pure sodium-24 has an inital mass of 400.0 g. what mass of sodium-24 remains after 60 hours?
Calculate the expansion work done against a constant external pressure of 0.995 atm and at a constant temperature of 22 degrees C. Assume that the initial volume of dry ice is negligible and that CO2 behaves like an ideal gas.
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