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If 8.6 L of NO is combined with excess O2 at STP, what is the volume in liters of the NO2 produced?
How many molecules of carbon dioxide are produced when 130 molecules of acetylene (HCCH) to react in excess oxygen produce carbon dioxide and water.
Sulfuric acid (H2SO4) is a very strong diprotic acid. If 0.025 moles of sulfuric acid is mixed with water to make 115 mililiter of solution, what is the molarity of H+?
the solubility product constant for MgF2 is 6.4 × 10-9. How many grams of MgF2 will dissolve in 150 mL of H2O at 25°C?
Octane has a density of 0.692 g/mL at 20 C . How many grams of O2 are required to burn 19.0 gal of C8H18.
What mass of Au is produced when 18.6 ampere of current are passed through a gold solution for 29.0 minutes.
A 1.000 g sample of a compound containing C, H and O is burned in excess oxygen, producing 1.783 g CO2 and 0.734 g H2O. Determine the empirical formula of the compound.
Compute the volume of the tank if this tank has 115 moles of neon gas and has a pressure of 57 atm at a temperature of 45 0C.
What volume of this gas must be burned to raise the temperature of 5.3 L of water by 5.0°C? Assume the gas is at 1.0 atm and 298 K.
A balloon filled with helium has a volume of 2.41 L on a warm day at 311 K. It is brought into an air-conditioned room where the temperature is 295 K. What is its new volume.
Compute how many titanium atoms are there in 24.1 grams of titanium and also determine what is the mass in grams of 3.23E+23 atoms of titanium.
If 8.40 kJ of heat is needed to raise the temperature of a sample of metal from 15 degrees celsius to 20 degrees celsius, how many kilojoules of heat will be required to raise the temperature of the same sample of metal from 25 degrees celsius to ..
A meteorological balloon of radius 1.0M at sea level and 20 degrees C. At it's maximum altitude the radius of the balloon is 3.0M and the temperature is -20 degrees C
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