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Many gases are shipped in high-pressure containers. Consider a steel tank whose volume is 65.0L and which contains O2 gas at a pressure of 16,500kPa at 22 C. a. What mass of O2 gas does the tank contain? b. What volume would the gas occupy at STP? c. At what temperature would the pressure in the tank equal 150.0atm? d. What would be the pressure of the gas, in kPa, if it were transferred to a container at 24 C whose volume is 55.0L?
The pH of 0.5 M HF is 1.88. Calculate the difference in pH when 6.06 g of NaF is added to 205.7 mL of this solution. Ignore any changes in volume. The Ka value for HF is 3.5 x 10-4.
The solubility product of PbBr2 is 8.9 X 10^(-6). Determine the molar solubility in the pure water.
Consider an electrochemical cell constructed from the following half cells, linked by a KCl salt bridge. • a Fe electrode in 1.0 M FeCl2 solution
Determine How many grams of NaOCl are in the solution if the percent by mass of the solute sodium hypochlorite, NaOCl, is 3.62%.?
Three compounds are to be separated using HPLC. Compound A and Compound B have the same polarity but are more polar that Compound C. Compound A and Compound C have the same molecular weight (5000), and Compound B has a molecular weight of 26,000.
Find the volume of FeSO4 solution - What volume of 0.200M FeSO 4 solution would be required to react with 20.0mL of 0.250M KMnO 4 according to the following equation?
the titration of 40.0ml of 0.200M HONH2 (Kb=1.1 x 10-3) by 0.100 M HNO2. Calculate the pH of the resulting solution after the following volumes of HNO3 have been added
Draw formulas that illustrate the hydrogen bonding that may exist between two polyamide molecules after fibers have been cold drawn. In this lab,
Suppose you want to heat air in your house with methane (CH4). Assume your house has 275 m2 of floor area and that ceiling is 2.50 m from the floor.
Important information about PH calculations, Calculate the pH of the solution formed during a titration upon adding 35.0 ml of a standard .150M NaOH solution to
How many grams of the excess reactant remain after the limiting reactant is completely consumed
how many grams of glucose must be dissolved in 563 greams of ethanol to prepoare a 2.40 x 10 -2 m solution?
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