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A 1-L flask is filled with 1.10 g of argon at 25 C. A sample of ethane vapor is added to the same flask until the total pressure is 1.20 atm . What is the partial pressure of argon,PAr , in the flask?
2.00 moles of a gas occupies 62.2 L at a particular temperature and pressure. Its density is 0.900 g/L. The standard molar volume is 22.4 L/mole. What is the molar mass.
What exactly is an alkane and alkene? What is an ester?? does it relate to anything above?
Commercial concentrated aqueous ammonia is 28% NH3 by mass and has a density of 0.90 g/ml . What is molarity?
Organic chemistry solution - First question wants the product of certain oxidation reaction of chromic acid with a secondary alcohol and primary alcohol.
Calculate the concentrations of all species in a 1.73 M Na2SO3 (sodium sulfite) solution. The ionization constants for sulfurous acid are Ka1 = 1.4× 10-2 and Ka2 = 6.3× 10-8.
At 8:00 a.m., a patient receives a 58-mg dose of I -131 to obtain an image of her thyroid. If the nuclide has a half-life of 8 days, what mass of the nuclide remains in the patient at 5:00 p.m.
Which molecular species would be necessary for the formation of the product in the reaction; a primary carbocation, a tertiary carbocation, a primary carbanion, a secondary carbanion or SO4?
How much heat is released when 4.50 g of methane gas is burned in a constant-pressure system? CH4 (g) + 2O2(g) -> CO2 (g) + 2H2O(l) H=-890kJ
what mass of limestone must have dissolved if 3.05x10^10 kg of calcium hydrogen carbonate was produced? CaCO3(S)+H2CO3(aq)->Ca(HCO3)2(aq)
In a chemical reaction (unbalanced equation), AsF3 + C2Cl6 = AsCl3 + C2Cl2F4, the theoretical yield of C2Cl2F4 was calculated to be 1.86 mol. If the percent yield in the reaction was 77.2%.
Calculate OH- of each aqueous solution using the following H3o+ A baking soda 1.0 X 10-8M B orange juice 2.0 X 10-4
What is the molarity of an NaCl solution prepared by dissolving 9.3g NaCl in sufficient water to give 350mL of solution.
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