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From the standard reduction potentials, identify reaction pair that is candidate for batteries that would produce more than 5 V of electrical potential under standard conditions. Select both half-reactions.
What is the pH of a 1.2 x 10-4 M solution of KOH? What is the hydronium concentration of this solution?
Pure gold can be made into extremely thin sheets called gold leaf. Suppose that 5.0 x 102 kg of gold is made into gold leaf having an area of 3620 m2.
In the reaction of Fe3O4 with carbon to form carbon dioxide and iron, the number of moles of carbon required to convert 23 g of Fe3O4 to products is
The overall reaction for the corrosion of iron by oxygen is given by the following reaction. 4Fe (s) + 3O2 (g) 2Fe2O3 (s) Compound ?H° (kJ/mol) S° (J/mol K) Fe (s) 0 27 O2 (g) 0 205 Fe2O3 (s) -826 90 Calculate the G° for the reaction at 298K and ..
some hypothetical reactions are given as 2 a2dg ---gt 2 a2g d2gnbsp a2b3g ---gt 2 ag 3 bgnbsp ag b2g ---gt ab2g 5 bg
A student wanted to determine the molar concentration of acetic acid in a commercial vinegar sample. He used a volumetric pipet to deliver 3.00 mL of vinegar to an Erlenmeyer flask, added about 30 mL of water and 3 drops of phenolphthalein indicat..
How does adding a small amount of a grignard reagent solution to a Grignard reaction help the reaction get started? Hint: The presence of water (moisture) is a major reason a Grignard might not start.
What would be the pressure of the gas, in kPa, if it were transferred to a container at 24 degrees Celcius whose volume is 55.0 L.
whats a good hypothesis for the reactivity of halide ions lab in
A 41 kg person drinks 250. g of milk, which has a "caloric" value of approximately 3.0 kJ/g. If only 17% of the energy in milk is converted to mechanical work, how high (in meters) can the person climb based on this energy intake?
Which formula represents the greatest number of isomers?
Use tabulated half-cell potentials to calculate Delta G(rxn) for each of the following reactions at 25 degrees Celsius. MnO2(s)+4H(aq)+Cu(s)--->Mn2+(aq)+2H2O(l)+Cu2+(aq)
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