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Calculate the cell potential for a galvanic cell made from an iron electrode in a 1.75 M solution of Fe(NO3)2 and a silver electrode in a 5.00 x 10-3 M solution of AgNO3 at 298 K. Eºcell:_______________ V Ecell :_______________ V
What is the de Broglie wavelength of a 11.5 g hummingbird flying at 109 mph?
The atomic radius of O is smaller than the atomic radius of Se. What is the effective nuclear charge for the valence electron(s) in O and Se
Nitrogen dioxide and water react to produce nitric acid HNO3, and nitrogen oxide: 3NO2(g) + H2O(l) -------- 2HNO3(aq) + NO(g)
Determine whether a bond between each of the following pairs of atoms would be pure covalent, polar covalent, or ionic. H and H N and O N and Cl
Can't make it work. You have 0.035 +/- 0.002 mol of red dye, which you mix (thoroughly) with 25.00 +/- 0.05 mL of water. What is the concentration of the dye mix .001400 +/- .000008 M
How much heat in kilojoules is needed to bring 1.30 kg of water from 33.7 to 97.1 °C (comparable to making four cups of coffee)?
A 25.00 mL aliquot of iron solution was titrated to equivalence with 26.19 mL of 0.0215 M KMnO4. A procedure similar to the one in experiment 7 was followed. Calculate the moles of iron in the original volumetric flask.
calculate the expected ph of a 25.0 ml solution of 0.200 m acetic acid that is being titrated with a 0.100 m solution
Compute the composition of the crystals and the yield of the process. Also determine the composition of the mother liquor?
A solution of .601g of the solid in 34.1g of the solvent diphenyl gave a freezing point depression of 1.17 degree celsius. Calculate the molar mass and molecular formula of the solid(k1 for diphenyl is 8.00 degree celsius/m)
125 mole of oxygen gas is added to carbon in a .25L container. The mixture equilibriates at 500K. Calculate the equilibrium concentration of carbon monoxide, knowing that K=.086 at 500K. C(s) + O2(g) ----> 2CO(g)
Calculate K for 2NO(g)+O2(g)=2NO2(g) from the observation that when equilibrium is established at 500K, there are 0.190 moles NO2, 2.65x10^-4 moles NO, and 0.606 moles O2 in a volume of 0.759 liters.
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