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Question- At what temperature (in oC) does 11.31 g of krypton occupy a volume of 9.66 L at a pressure of 1.91 atm? Report your answer to 3 significant figures and do not include units in your answer.
You must show your work in an efficient manner so I can understand it in clearly
Problem- Calculate the value of the equilibrium constant for the balanced net ionic equation for the strong Acid-weak base titration of H+ (aq) + CO3(2-) (aq) ---> H2O (l) + CO2 (g).
Determine How much heat energy, is needed to convert 64.0 grams of ice at -18.0 degrees Celsius to H 2 O at 25.0 Normal Temperature ? express your answer in kilojoules
When 23.0 mL of 0.600 M H2SO4 is added to 23.0 mL of 1.20 M KOH in a coffee-cup calorimeter at 23.50°C, the temperature rises to 30.17°C. Calculate pH of this reaction.
When a particular metal is illuminated with photons, one electron is observed for each absorbed photon. What effect would decreasing the wavelength and number of photons, have on the electrons leaving the surface?
if 1.56g of a gas has a volume of 1.00 l at .984 atm and 50 degrees celcius what is the molar mass of the
Antacid #1 has 1700 mg of sodium bicarbonate, antacid #2 has 500 mg of calcium carbonate. Which tablet is capable of reducing the most acid and why
Write the balanced chemical equation for the following reaction. Phases are optional. Solid iron(II) hydroxide decomposes to form solid iron(II) oxide and liquid water.
when x rays of wavelength 0.084 nm are diffracted by a metallic crystal the angle of first-order diffraction n 1 is
A solution is made by dissolving 0.0350 mol of HF in enough water to make 1.00L of solution. At 24°C, the osmotic pressure of the solution is .975 atm.
Explain how the carbonate system in natural waters provides buffering capacity
1FeO3+2 Al= 1Al2O3+2Fe, Determine the percent yield of a reaction that produces 28.65g of Fe when 50.0g of Fe2O3 reacts with excess Al according to the following reaction. Be sure to balance the reaction.
automated amino acid analysis of peptides containing either asparagine or glutamine shows ammonia as a product as well
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