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answer the below questions with correct figures
A cylinder contains 30.5 L of oxygen gas at a pressure of 1.6 atm and a temperature of 300 K .
How many moles of gas are in the cylinder?
Express your answer using two significant figures.
If Beryllium oxide crystallizes in the zinc blend structure. (a) Approximate the density of this compound. (b) What is the % ion character. (c) Explain what is anticipated coordination number for the material. Is this reliable with the actual stru..
A miniature volanco can be made in the laboratory with ammonium dichromate. When ignited, it decomposes in a fiery display. (NH4)2Cr2O7(s) ? N2(g) + 4 H2O(g) + Cr2O3(s) If 0.95 g of ammonium dichromate
carbon tetrachloride is a useful solvent for both IR absorption and Raman spectroscopy because it has few vibrational modes
a sample of gas is collected over water at a temperature of 35 c when the barometric pressure reading is 742 torr. what
Determine the empirical formula and draw a possible structure for an organic compound with the elemental composition
Rank the following ionic compounds in order of increasing attraction between their ions: BaO, BaCl2, and CaO.
Which of these moieties would be expected to form a charge-charge (or coulombic or ionic or cation-pi) interaction with the receptor. ester linkage aromatic group carbonyl group amine group
In the lower atmosphere, oxygen gas is converted to ozone gas by energy provided from lightening as shown in the reaction below and the value of the equilibrium constant for this reaction at 25C is Kc = 1.7 x 10^-56.Equation
By what factor (how many times) will the rate constant increase when the temperature is raised from 10°C to 28°C?
What does the angular momentum quantum number determine? Check all that apply. A.) the overall size of an orbital B.) the energy of the electron on the outer shell C.) the possible number of electrons on particular orbital D.) the energy of an orb..
Problem- Breaking a chemical bond requires approximately 102 kJ/mol of energy. What is closest to the order of magnitude of the energy required to split a nucleus in to its individual protons and neutrons
Draw the reaction scheme (with arrows) of the Diels Alder rxn between maleic anhydride and furan. draw both the endo and exo adducts
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