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Calculate the theoretical yield when 7.0 ml of acetic anhydride , 4 drops of phosphoric acid and 9. 507g salicylic acid react
A solution is prepared by mixing 75.0 mL of 0.030 M BaCl2 and 250. mL of 0.040 M K2SO4. What are the concentrations of barium and sulfate ions in this solution? Assume only SO42- ions (no HSO4-) are present.
A gas evolved during the fermentation of sugar was collected at 22.5°C and 702 mmHg. After purification its volume was found to be 25.0 L. How many moles of gas were collected?
How many grams of O2 will be required to completely react with 2.43 grams of Mg metal ribbon to produce MgO.
Explain why dichloroethene has a boiling point of 60 degrees C while trans-dichloroethene as a boiling point of 48 degrees C. Include drawings of the structures with dipoles in your answer.
Which of the following reduces the solubility of calcium fluoride?
How many milliliters of boiling water are required to dissolve 25g of phthalic acid? If the solution were cooled to 14oC, how many grams of phthalic acid would you recrystallize out?
What volume of a 35.0 mM solution of propionic acid is required to supply
"The chains of several cell membrane - bound proteins are known to wind back and forth through the cell membrane, such that some parts of the protein structure are extracellular, some parts are intracellular, and some parts lie within the cell mem..
Suppose the energy level of an electron with quantum number n was proportional to n instead of 1/n^2, E= -2.18 x 10^-19 J
What is the half life of a first order reaction if it takes 4.4 x 10-2 seconds for the concentration to decrease from an initial concentration
calculate the mass of Cl2 consumed if the battery delivers a constant current of 853 A for 28.0 min.
If 101 g of CaO and 261 g of NH4Cl are mixed, what is the maximum possible yield of NH3?What mass of the excess reactant remains after the maximum amount of ammonia has been formed?
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