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a "neon" sign contains 2.4 * 10^2 mL of argon. Assuming that the gas is at standard temperature and pressure there is 1.00 mole per 22.4 L of volume how many argon atoms are there present in this sign
Determination of Molecular SO2 Needed for Protecting Wine, You have just finished fermenting a wine and the pH = 3.7. You need 2mg/L "molecular" SO2 to protect the wine. What level of free SO2 do you have to add to achieve the level of the molecul..
I know it is a dilution problem but I am lost other than that. Please help. The concentrations and final volumes were given in a table and paired by the way.
What is the freezing point of a solution made by dissolving 352g of ethylene glycol C2H6O2 on 648 g of water the freezing point of pure water is 0.0C and kf of pure water is -1.86Cm?
Calculate the mass of NaHCO3 that was used up in the reaction for each beaker. The molecular weight of NaHCO3 is 84.007 g/mole.
The pH would decrease slightly. The pH would decrease dramatically. The pH would increase slightly. The pH would increase dramatically. The pH would not change at all.
A 41 kg person drinks 250. g of milk, which has a "caloric" value of approximately 3.0 kJ/g. If only 17% of the energy in milk is converted to mechanical work, how high (in meters) can the person climb based on this energy intake?
Chemicals available for crystallization: ethyl ether, 95% ethanol, methanol, isopropyl alcohol, aceton, hexane, toluene and methylene chloride.
the simplest cycloalkyne has how many carbons? What is the Isoelectric point for aspartic acid. (Amino Acid PI)
Compare the structure of propranolol with noradrenaline and identify which features are similar in both molecules. Suggest why this molecule might act as an antagonist rather than an agonist
If you drop 25 g warm nails initial temp 65.4 into coffee cup calorimeter that contains 100.0 g water at 20 degrees Celsius, what will the temperature be.
What are the Bi and Bi+ quantum numbers of the electron removed when Bi is ionized to Bi+?
how do you caclulate the theoretical yield? I began using 2.00 g of Salicylic acid, 5.0 mL of acetic anhydride, and added 5 gtts of concentrated sulfuric acid.
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