How many liters of acetylene are required
Acetylene gas undergoes combustion to produce carbon dioxide and water vapor. if 75.0 L of co2 are produced how many liters of acetylene are required?
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Stock solution is prepared by adding 28 mL of 0.2 M Na3PO4 to enough water to make 76 mL. What is the PO43- concentration of 55 mL of the stock solution?
How many moles contain each of the following? 1.25 x 10^15 molecules CO2 3.59 x 10^21 formula units sodium nitrate
The total pressure in the system at equilibrium is 3.0 atm. A separate measurement shows that the mole fraction of O2 at equilibrium is 0.12. Calculate the partial pressure, in atm, of SO2 at equilibrium.
A 25.6 g sample of pure iron at 66°C is dropped into 65 g of water at 33°C. What is the final temperature of the water-iron mixture?
How many grams of sodium fluoride (used in water fluoridation and manufacture of insecticides) are needed to form 485 g of sulfur tetrafluoride?
A reaction mechanism involving three steps is shown below. Identify all of the catalysts in the following mechanism.
If 153 mL of wet H2 is collected over water at 24°C and a barometric pressure of 729 torr, how many grams of Zn have been consumed? (The vapor pressure of water is 22.38 torr at 24°C.)
Calculate ΔG for this reaction under the following conditions (assume an uncertainty of 1 in all quantities, calculate all thermodynamic values from Appendix 4 for all parts of the problem).
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Select the appropriate use of intravenous vancomycin. Group of answer choices Serious life-threatening infections with bacteria resistant to common antibiotics
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