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A sample of neon is collected at 2.7 atm and 12.0 oC. It has a volume of 2.25 L. What would be the volume of this gas at STP?
The pH of a sample of rain is found to be 4.0. Calculate the percentage of HSO4- that is ionized in this sample, given that the acid dissociation constant for the second stage of ionization of H2SO4 is 1.2E-2.
If the pressure of CO2 is 0.550 atm, what concentration of carbon dioxide can be dissolved in water at 0.00C.
particular sample of pure iron requires 0.595 kJ of energy to raise its temperature from 25oC to 45oC. The specific heat of iron is 0.45 J/g oC. What must be the mass of the sample?
Chemistry Concentrations, In each of the following pairs, indicate which has the higher concentration of Cl- ion
The mass ratio of sodium to fluorine in sodium floride is 1.21:1. a sample of sodium fluoride produced 26.5g of sodium upon decomposition how many grams of fluorine was formed.
.Alkenes can have cis-trans isomerism. b.Alkenes are chemically reactive at the double bond. c.Alkenes are nonpolar compounds. d.Alkenes are less dense than water
Relationship between refractive index and mole fraction, How can you use refractive indices to calculate weight % composition of a distillate and its residue? How can you convert the weight % composition to mole fractions?
How many ml of 2.00M H2SO4 are required to neutralize 50.0mL of 1.00M KOH?
How many mL of .360M HNO3 are needed to neutralize a 22.5mL sample of .240M KOH.
What are the mole fractions of ethanol and water in a solution prepared by mixing 55 mL of ethanol with 45 mL of water at 25 degrees celsius
If 3.00 moles of ZnS are combined with 4.00 moles of O2, how many moles of ZnO can be produced?
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
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