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While excited elemental sodium gives off a distinctive color that is utilized often in street lighting. Explain what is the predominant wavelength associated with the emission of atomic sodium?
Calculate the equilibrium concentration of Cl2O(g) if 1.0 g of H2O(g) and 2.0 g of Cl2O(g) are mixed in a 1.0-liter flask.
in the formation of diacetylferrocene the product is always the one in which each ring is monoacetylated. why is no
A 25ml sample of solution containing thallium(I) (TI) was treated with K2CrO4 to perticipate thallium chromate. The solid TI2CrO4 was filtered, washed to remove excess chromate, and then dissolved in dilute H2SO4
What is the maximum number of electrons that can populate a given orbital there (b) Write the electronic configuration of the element with atomic number 8 in the periodic table. Formatting: superscript numbers where appropriate but omit parenthese..
describe the preparation of 400 mL of a solution that is 0.0500 M in I-, starting with MgI2.
Calculate the molarity of a solution made by taking 25.0 mL of 3.95 M. CaCl2 and diluting it to a final volume of 200. mL
what is the DO concentration at saturation in water if the temperature is 10degree celcius and pressure is 1 atm?express your answer in mg/l of O2(oXYGEN).
From the point at which the cardiac cycle commences that is the electrical excitation is initiated in the S.A node arrange the subsequent events in the correct sequence.
Twenty dietary iron tablets with a total mass of 22.131 g were ground and mixed thoroughly. Then 2.998 g of the powder was dissolved in concentrated HNO3 and heated to convert all the iron to Fe3+
At a definite temperature the pH of a neutral solution is 7.82. Explain what is the value of Kw at that temperature. State respond numerically using two significant figures
Concentrated sodium hydroxide is 19.4 M and has a density of 1.54g/mL. What is the molality of concentrated NaOH?
What is the volume in the beaker with the aqueous solution NaCl of when equilibrium is attained, assuming ideal behavior? Part C: What is the volume in the beaker with the aqueous solution of a nonvolatile nonelectrolyte when equilibrium is attain..
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