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Calculate the molecular mass of the nonionic solutes.
64.3 grams of solute in 3.90 X 10Ë grams of water raises the boiling point to 100.680 àC.
A 147 gram piece of metal has a density of 7.00 g/mL. A 50 mL graduated cylinder contains 20.0vmL of water. What is the final volume after the metal is added to the graduated cylinder?
If 17.2 mL of 0.800 M HCl solution are needed to neutralize 5.00 mL of a household ammonia solution, what is the molar concentration of the ammonia.
The temperature of the ideal gas in the container shown is 300 K. The gas occupies a volume of 1.27 m3. What would be the volume of the gas if its temperature were decreased to 100 K? No blocks are added to or removed from the lid.
A sample of nitrogen gas is contained in a pistol with a freely moving cylinder. At 0.0 C , the volume of the gas is 375 ml. To what temperature must the gas be heated to occupy a volume of 500.0ml
what will be the equilibrium concentration of CO.
When a 3.03x102 g strip of zinc is dropped into a large beaker containing excess hydrochloric acid, how many grams of gas are formed?
how many moles of HNO3 are present in 33.0 mL of a 4.70M solution ?
The Balmer series of transitions for the hydrogen atom result in absorption of photons that all originate from the n = 2 level. What are the longest and shortest wavelength photons in the Balmer sequence?
Determine the mass percent of CH3COOH in this solution if density of vinegar is 1.01 g/mL? Also calculate mole fraction of acetic acid in this solution and molality of this solution?
A 150.0-g sample of a metal at 75.0 °C is added to 150.0 g of H2O at 15.0 °C. The temperature of the water rises to 18.9 °C. Calculate the specific heat capacity of the metal, assuming that all the heat lost by the metal is gained by the water.
Solutions with greatest long-wavelength UVA absorption: Name of strongest UVA absorbing ingredient
Important information about Nitration, Explain why nitration of 1,4-dichloro-benzene yields the mononitro derivative while N,N'-diacetyl-1,4-phenylenediamine forms
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