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Calculate the boiling point of a solution formed by dissolving 1.45 grams of napthalene, C10H8, in 7.85 grams of cyclohexane, C6H12.T(bp)= 80.74 CK(bp)= 2.79/molal
The mass of the tablet was 0.162 g. What percent of calcium carbonate was in the tablet?
E1 mechanisms a little clearer? maybe make a chart with simmilarities and differences and how to know which one is which?
If 7.1 g of butanoic acid, C4H8O2, is dissolved in enough water to make 1.0 L of solution, what is the resulting pH? A table with Ka values can be found here.
What is the total work (in joules) in going from the initial to the final state by way of the preceding two steps? What would be the total work if the process were carried out reversibly?
what will the concentration of all the reactants and products be when the reaction reaches equilibrium at 527 degrees C?
Assuming no loss of water and a heat capacity for the vessel of 10.0 J/C, what is the final temperature of the system ( C of copper = 0.387J/gC) ? What is the final temperature?
Titrated three different samples of KHP and determined that the sodium hydroxide molarity was 0.1234 M, 0.1244 M, and 0.1199 M, respectively. Calculate the sample mean and the sample slandered deviation?
Determine the specific heat of a material if a 38 g sample of the material absorbs 40. J as it is heated from 298 K to 313 K?
Which anions generally do not form precipitates? What are the exceptions?
How many moles of MgCl2 are present in 50.0 mL of 0.800 M MgCl2 solution?
If 158 mL of wet H2 is collected over water at 24C and a barometric pressure of 737 torr, how many grams of Zn have been consumed?
Determination of the composition of a mixture You will be given a multi-component mixture and will be required to determine (and confirm) the %composition of the mixture, obtain a sample of each component and to verify its purity and identity.
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