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1. Using the balanced equation, answer the following questions:
2KClO3 à 2KCl + 3O2
a. How many molecules of O2 will be formed from _______grams of KClO3?
b. How many grams of KCl will be formed from _______grams of KClO3?
At what optimum pH would you recommend to separate cytochrome C (pI 10.6) from the mixture of myoglobin (pI 7.0), ribonuclease (pI 7.8) and leucine (pI 6.0) using a Dowex 50 column. Explain
a tank of volume 1.0 m3 contains 7.3 moles of nitrogen 5.2 moles of oxygen 1.5 moles of helium and 8.1 moles of carbon
When HSCN is added, you expect that the equilibrium will shift to the right and the reaction mixture will become darker (more orange).
What would you do if you spilled a small amount of hydrochloric acid on your hand?
What is the reaction scheme of the isolation and purification of nutmeg triglycerides showing the extraction, saponification, and urea complex formation steps? A solvent mixture of ethyl acetate, ethanol, and water was used.
The concentration of gold in seawater has been reported to be between 5 ppt (parts per trillion) and 50 ppt. Assuming that seawater contains 13 ppt of gold, calculate the number of grams of gold contained in 1.0 X 103 gal of seawater.
calculate the partial pressures of the three gases remaining at the completion of the reaction if the total pressure
a) How many milliliters of concentrated HCl (36% HCl by mass, d= 1.18g/ml) are required to produce 12.5L of a solution with pH= 2.10. What volume of 6.15M HCl is required to exactly neutralize 1.25L of 0.265M NH3? NH3 + H3O => NH4 + H2O
A compund contains carbon hydrogen and chlorine. combustion of 15.800 grams of this compound produces 30.063 grams of co2 and 13.836 grams of water. determine both the empirical and molecular formula of the compound.
you and another student were each given an unknown compound. both samples contained colorless material. you each used
A sample of gas is made entirely of carbon dioxide and water, and there are 259 moles of carbon dioxide and 513 moles of water. If the total pressure of the sample is 21 atm, what is the partial pressure of each gas?
Calculate the pH at the equivalence point in titrating 0.100 M solutions of each of the following with 0.034 M NaOH. (c) sodium hydrogen chromate (NaHCrO4)?
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