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container Ais filled with air at STP, it is then inserted into a large enclosed container B, which is then flushed with H2(g), what will happen to the pessure inside container A? explain your answer.
what is the structure of glycylserine and serylglycine?
A beaker contains 100 grams of 0.50 M NaCl. If you transfer 50 grams of the solution to anouther beaker, what is the molarity of the solution remaining in the first beaker?
0.50 mol of argon gas is admitted to an evacuated container at 20 degrees Celsius. The gas then undergoes an isobaric heating to a temperature of 280 degrees Celsius. What is the final volume of the gas?
How many moles of ammonia are produced when 20 moles of hydrogen react with 40 moles of nitrogen
using all atoms and bond structure, show an ionization reaction for benzoic acid
Compounds are always composed of two or more elements. Atoms of different elements are different. Isotopes have the same number of protons but a different number of neutrons.
How many grams of KOH are required to neutralized 300ml of 5.0 N HN03 solution.
A solution is prepared by dissolving 297 g of sucrose (C12H22O11) in 624 g of water. What is the vapor pressure of this solution at 30°C? (The vapor pressure of water is 31.8 mmHg at 30°C.)
determine the expression for the rate of the reation in terms of the change in concetration of each of the reatants and products.
A 100.-L flask contains a mixture of methane, CH4, and argon at 25C. The mass of argon present is 228 g and the mole fraction of methane in the mixture is 0.650. Calculate the total kinetic energy of the gaseous mixture.
How many moles of HCl need to be added to 150 mL of 0.50 M NaZ to have a solution with a pH of 6.50? (Ka of HZ is 2.3e-5). Assume negligible volume of the HCl.
what is the percent relative error? Please explain by showing work. Are these measurements more precise or more accurate? What is the purpose of repetition in measurements?
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