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a. Which ions are soluble in acidified sulfide solution but separate as insoluble sulfides in basic solution? Which cations separate as their hydroxides in basic sulfide solution?
b. What is the general trend of the Ksp of sulfides that are separated in acidified sulfide solution vs. the Ksp of those separated in basic sulfide solution? Explain the basis for this trend.
How many phases and components are present. (b) What is the variance (the number of degrees of freedom) of the system? Identify the independent variables.
products of the synthesis of salicylic acid from methyl salicylate via saponification?
Draw the structure of the dimer. Water (circled) is eliminated when the bond between the monomers forms. Circle the atoms of the ester functional group.
1FeO3+2 Al= 1Al2O3+2Fe, Determine the percent yield of a reaction that produces 28.65g of Fe when 50.0g of Fe2O3 reacts with excess Al according to the following reaction. Be sure to balance the reaction.
The burning of 80.3 g of SiH4 at constant pressure gives off 3790 kJ of heat. Calculate ?H for this reaction.
Calculate the standard enthalpy of formation of liquid water (H2O) using the following thermochemical information
If a few drops of water on the outside of the hot water syringe used to dispense the 5.00 mL sample into the calorimeter well for the Kcal determination fell into the well
How many milliliters of a 0.56 M HCl solution do you need to obtain 0.0046 mol of HCl?
What is the pH if 100 mL of 1.00M NaOH is added to the buffer into 30.0 grams of solid NaF is placed in 1.00 liter of a 1.00M HF solution for Ha, Ka=6.8x10-4
the resulting solution required 38.10mL of 0.08765M AgNO3(aq)to precipitate the Cl(aq) and BrCl(s)and AgBr(s) calculate the mass percetage of NaCl(s)in the mixture
how many mL of chlorine gas are required to produce 0.50L of hydrogen chloride gas(HCl) at constant temperature and pressure?
Consider the ring structure of beta-D-glucose. It will give a positive test as a reducing sugar. How can that happen?
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