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In a particular redox reaction, Cr is oxidized to CrO42 and Ag is reduced to Ag. Complete and balance the equation for this reaction in acidic solution. Phases are optional.
Cr+ Ag^+ ---------------> CrO4^2- + Ag
Chromium is produced by reacting its oxide with aluminum. If 76 grams of Cr2O3 and 27 grams of Al completely react to form 51 grams of Al2O3 how many grams of Cr are formed
What is the pH of the buffer that results when 11 g of NaCH3CO2 is mixed with 85 mL of 1.0 M CH3CO2H and diluted with water to 1.0 L? (Ka of CH3CO2H = 1.8 ´ 10-5)
What is the flask's volume?
what volume(in mL) of 0.0887 M MgF2 solution is needed to make 275.0mL of 0.0224 M MgF2 solution.
Oxidation of A with KMnO4 gives CO2 and the keto carboxylic acid D shown below. Propose a structure for A.
Explain clearly the properties of agood freezing agent basing the explanation vant hoffs factor and on colligative property.
In the combustion of propane for energy, how many kilojoules of heat are produced when 2 kilograms of propane are completely combusted in the presence of excess oxygen
How much water must be added to 562 mL of 0.200 M HCl to produce a 0.148 M solution? (Assume that the volumes are additive.)
Determine the average atomic mass of boron is the natural abundance of 10B weighing exactly 10.0129 amu is 80.1% and the natural abundance of 11B weighing exactly 11.0093 amu is 19.9%.
An equilibrium mixture of propanoic acid (propionic acid), CH3CH2COOH, and its conjugate base has a pH of 4.87. Draw the form that predominates after H3O is removed from the equilibrium mixture
Which radioactive decay particle poses the greatest risk if it is external to the body? Why? 2- Which is safer, an isotope with a short half-life or one with a long half-life?
Why is the enthalpy based on the moles of NH3 and not HCl? c. Calculate the percent error in part (a) if the accepted Hrxn is -55.0 kj/mol
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