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In this experiment, we assume that the complex formed is [Fe(SCN)2+]. However, it is possible (under certain conditions) to form [Fe(SCN)3 ] (three SCN- ions). a) Write the reaction between Fe3+ and SCN- in which [Fe(SCN)3] forms. b) Determine the equilibrium expression for K associated with this reaction
Balance the following redox equations. Identify the oxidation half reaction and the reduction half reaction.
A certain substance has a heat of vaporization of 39.17 Kj/mol. At what kelvin temperature will the vapor pressure be 6.50 times higher than it was at 325k?
The feldspar sanidine KSi3AlO8 is found in quickly cooled volcanic (extrusive) rocks whereas microcline is found in slowly cooled intrusive rocks such as granites
Why is molality used in the equations describing freezing-point depression and boiling-point elevation? Explain in detail and explain the reason why molarity is nto used.
A chemist must dilute 80.5mL of 126mM aqueous sodium thiosulfate solution until the concentration falls to 110.mM . He'll do this by adding distilled water to the solution until it reaches a certain final volume.
How much heat does it take to change solid ice at 0 degrees Celcius to steam at 100 degrees Celcius?
The concentration of Mg2+ in seawater is 0.052 M. What hydroxide concentration is needed to remove 90% of the Mg2+ by precipitation
Many drugs that arenatural Bronsted bases are put into aqueous solution as their much more soluble salts with strong acids. The powerful painkiller morphine, for example, is very slightly soluble in water, but morphine nitrate is quite soluble in ..
Calculate the distances NH# gas and HCL gast would travel in this experiment if a 100.0-cm tube were used, based on the accepted molar masses of the two gases.
A reaction has a rate consant of 1.23/mol*s at 433 Celcius and 24/mol*s at 533celcius.
A flask contains 0.390 mol of liquid bromine, rm Br_2. Determine the number of bromine molecules present in the flask.
Nitrogen boils at -320F What is the temperature on the Celsius scale. Please show your solution to problem
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