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Question- At what temperature (in oC) does 11.25 g of krypton occupy a volume of 5.44 L at a pressure of 1.07 atm? Report your answer to 3 significant figures and do not include units in your answer.
Please provide the answer of the given question on urgent basis
three compounds were found to have the same empirical formula that is the same number of carbons hydrogens oxygens
0.4768 g of oxalic acid dihydrate (H2C2O4 • 2H2O) was weighed out and titrated with sodium hydroxide (NaOH) according to the procedure in the handout. Vi was recorded from the buret as 5.91 mL. Vf was recorded from the buret as 42.28 mL. Calculate..
A solution of an unknown nonvolatile electrolyte was prepared by dissolving 0.250 g of a substance in 40 g of CCl4. The boiling point of the resultant solution was 0.357 degrees Celsius higher than that of pure solvent. Calculate the molar mass of..
Why is it an important concept that atoms generally appear in whole number molar ratios to each other in chemical compounds?
If the bonding in Nb metal is described used band theory, what fraction of the band would be filled with electrons? Assume that all valence bands (5s, 4d, and 5p) overlap
what is the net ionic equation potassium hydroxide and iron(III) nitrate.
Question- Is a high rate trickling filter (as described below) operating within typical BOD and Hydraulic loading rates if the flow rate of the wastewater after primary treatment is 100,000 GPD and the BOD is 100 mg/L. The trickling filter is comp..
A 4760 g sample of a solution of the solute tetrahydrofuran in the solvent benzene that has a concentration of 37.4 parts per hundred by mass tetrahydrofuran is available. Calculate the amount (kg) of C4H8O that is present in the sample.
What can be said about the stoichiometric coefficients of a balanced chemical reaction AND the powers to which the concentrations are raised in the rate-law expression
Write a balanced the rmochemical equation for the reaction with an energy term in kJ as part of the equation.
What mass of NaOH (s) must be added to 1.0 L of 0.050 M NH3 to ensure that the percent ionization of NH3 is no greater than 0.0010%? Assume no volume change on addition of NaOH. Kb NH3=1.8 x10^-5
determine what concentration of oh - is needed to dissolve 0.015 mol ofnbspznoh2 zinc hydroxide in a liter of solution
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