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how many liters of H2 would be formed at 528 mm Hg and 12 degrees celcius if 28.0g of zinc was allowed to react
The resulting solution freezes at 26.5 oC. If Kf for the solvent is 1.74 o C/m then determine the molar mass of the nonelectrolyte compound?
At 25 ºC, the vapor pressure of water is 23.8 torr. What is the vapor pressure of a solution prepared by dissolving 97.0 g of C6H12O6 (a nonvolatile solute) in 170 g of water.
If 23mL of 6.4M H2SO4 was spilled, what is the minimum mass of NaHCO3 that must be added to the spill to neutralize the acid.
How many milliliters of 0.105 M HCl are needed to titrate each of the following solutions to the equivalence point:-- 45.0 mL of 0.0950 M NaOH
Total pressure in kPa 10 seconds after initiation of the reaction if initially there was 88.3kPa of pure N 2 O 5 vapor Enter the total pressure in kPa 10 minutes after initiation of the reaction.
The addition of H2 to double bonds is an important reaction used in the preparation of margarine from vegetable oils. If 50.0 mL of H2 and 50.0 mL of ethylene (C2H4)are allowed to react at 1.5 atm, the product ethane (C2H6) has a volume of 50.0 mL..
Describe how branched-chain fatty acids affect the fluidity of membranes and rank the following fatty acids in the order of increasing solubility in water.
Whats the volume of 1.05 mol of benzene at 20.7 C? The density of benzene of 0.879 g/mL.
How many gm of dry NH4Cl need to be combined to 2.30L of a 0.300M solution of NH3, to prepare a buffer solution of pH 8.85.
A 29.20 g piece of iron and a 25.30 g piece of gold at 100.0 degree C were dropped into 980.0 mL of water at 15.65 degree C. The molar heat capcities of iron and gold are 25.19 J/(mol degree C) and 25.41 J/(mol degree C), respectively.
The dipole moment and the normal boiling point of acetaldehyde (CH3CHO) are 2.7 D and 293 K, respectively. The dipole moment and the normal boiling point of n-octane (C8H18) are 0 D and 298 K.
Determine the molecular formula of the oxide of phosphorous when it is in its gaseous state.
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