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At a certain temperature, K = 9.1 10-4 for the following reaction.FeSCN2+(aq) Fe3+(aq) + SCN -(aq)Calculate the concentrations of Fe3+, SCN -, and FeSCN2+ in a solution that is initially 3.0 M FeSCN2+.
What does the volume correction constant (b) in the van der Waals equation represent? Why is b for helium small (b = 0.0238 L /?mol) compared to b for decane (C10H22, b = 0.3043).
Cd2 forms two complexes with C2H3O2, with the following formation constants:(a) Find K2 for the reaction, (b) You prepare 1.00 L of solution containing 0.110 mol CH3CO2Na and 4.00 × 10-4 mol Cd(ClO4)2. Compute the fraction of cadmium in the form ..
What is the formula of the zinc sulfate hydrate? name this compound
A tablet of Vitamin C changed color at 23.7 mLs of Iodine. how do you determine how much vitamin c is in the tablet.
A 6.11 g sample of Cu---Zn alloy reacts with excess aqueous HCl producing 1.26 L of H2(g) at 22.0 degrees C and 728 torr. Since only the Zn portion of the alloy reacts, calculate the percent Cu in the alloy.
Find the partial pressure and concentration of Nitrogen, Oxygen, and Carbon dioxide.
A patient needs 0.004g of a sulfa drug. There are 5.00mg tablets in stock. How many tablets should be given.
Compute the work of expansion(in Joules) accompanying the complete combustion of 1.0 grams of sucrose C 12 H 22 O 11 to CO 2 and (a) liquid water, (b) water vapour at 20 degrees Celsius when the external pressure = 1.0 atm
Determine how many milliliters of this solution should you dilute to make 100.0mL of 0.250M Ammonia(NH3)?
Determine which metal will reach the lowest temperature If the same amount of heat is added to both the metals?
What is the mass of silver bromide AgBr precipatated from 2.96 g of iron (III) bromide FeBr3 ? FeBr3 + AgNO3 = AgBr + Fe(NO3)3.
the ratio of the no of molecules in the excited state at the temperature of 213 K to the number of ground state molecules and the percent of the excited molecules at 213 K.?
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