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Nitrogen and oxygen form an extensive series of at least seven oxides with the general formula NxOy. One of them is a blue solid that comes apart, reversibly, in the gas phase. It contains 36.84% N. What is the empirical formula of the oxide?
How many kilojoules ore released when 3.6 L H2(g) and 2.4 L F2(g) react to form HF(g) at a constant pressure of 1 atm and initial and final temeratures of 25 C
what is the molar mass of a gaseous element that Effuses through an opening of a box 1.12 times as fast as argon at the same temperature.
Which is the stronger base, HSO4- or H2O? b. Which is the stronger base, H2O or OCl-?
For each reaction below, predict the conditions under which it is spontaneous. Circle the appropriate temperature condition: (a) H2O(g) H2O(liq) low temp high temp all temps
Calculate the theoretical and percent yields, b: 20.0g of NaHCO3 is heated to form Na2CO3. Calculate the theoretical loss in weight on heating
The volume of a unit cell of diamond is .9454 nm^3 and the density of diamond is 3.52 g/cm^3. find the number of carbon atoms in the unit cell of diamond
a piece of gold jewelry that weighs 9.35 g and has a volume of 0.654 cm3. The density of pure gold is 19.3 g/cm3 and the density of pure silver is 10.5 g/cm3.
The reaction the question refers to is the reaction between salicylic acid and acetic anhydride, which is catalyzed by sulfuric acid and produces aspirin and acetic acid.
Enough of a monoprotic acid is dissolved in water to produce a 0.0197 M solution. The PH of the resulting solution is 6.41. Calculate the Ka for the acid.
Flask a contains h2 at 0 C and 1 atm pressure. Flask b contains co2 gas at 25 C and 2 atm pressure. compare these following
explain the use of nuclear isotope in medical field.1. write a paragraph expaining what nuclear isotope can be used for
For each element listed below, determine the charge of the ion that is most likely to be formed and the identity of the noble gas whose electron configuration is acheived.
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