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Balance each of the half reactions in acidic solution : a)Cu(s)>Cu^2+(aq) b)SO4^2-(aq)>SO3^2-(aq) c)BrO3^-(aq)>Br^-(aq) d)IO3^-(aq)>I2(s)
A solution prepared by mixing 100 mL of 0.2 M glycine and 100 mL of 0.2 M Cu2+ is adjusted to a pH of 7 with NaOH. Calculate [Cu2+], [CuA+], [CuA2], [HA], and [A-] in the solution.
969 ml of gas was collected at 64 degrees celcius and a pressure of 723 mm Hg. Find the volume at STP.
In an electrolysis experiment such as the one you will perform, 1.76 x 10^-3 moles of hydrogen gas were collected, and the metal electrode lost 0.1983 g. The equivalent mass of the metal is approximately what?
the mineral fluorite is composed of CaF2. the molar solubility of calcium fluoride in water is 2.1x10^-4 moles/L. what is the ksp of CaF2
For each pair of substances below, which one will have the higher molar entropy. Justify each choice with a brief explanation. Which substance has greater molar entropy. Why is its entropy greater
The neutralization of 50.0 mL of 1.00 M hydrochloric acid with 50.0 mL of 1.00 M sodium hydroxide causes a 6.7°C increase in temperature. Predict how the following changes to the experimental protocol would affect the value of the change in temper..
Draw two molecules that are diastereomers and calculate the energy of each. Then draw two molecules that are enantiomers and calculate the energy of each.
How much heat (in kJ) is required to warm 16.0g of ice, initially at -11.0 C, to steam at 112.0 C? The heat capacity of ice is 2.09 J/g*C and that of steam is 2.01 J/g*C.
The electrode of a pH meter is placed in a sample of urine and a reading of 7.9 is obtained. Is the sample acidic basic, or neutral? What is the concentration of H3O+ in the urine sample?
What volume of O2 at 798 mm Hg and 39 degrees celsius is required to synthesize 19.0 mol of NO
What will happen to the equilibrium as OH- ions are added?
How many 2p atomic orbitals from boron must be mixed with a 2s atomic orbital to yield the bonding hybrid atomic orbitals in BF3. WHY
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