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Balance the following equation in basic conditions. Phases are optional. SO3 2- + Co(OH)2 yields Co + SO4 2-
Draw the organic product(s) of the reaction of p-methylbenzoic acid with aqueous sodium hydroxide
Would a buffer containing HF and F- in appreciable quantity be expected to have a pH of around 3,5,7 or 9? Justify your answer.
Calculate the change in entropy (in J/K) for the following reaction at 298 K: C(s) + H2O(g) ? CO(g) + H2(g) Use entropy for graphite (diamond is too expensive).
The pH in the stomach of a certain animal is 3.8. This means that the hydrogen ion concentration in the stomach
In a chemical cold pack, two substances are kept separate by a divider. When the divider is broken, the substances mix and absorb heat from the surroundings. The chemical cold pack feels cold.
A canister is filled with 380g of ice and 100. g of liquid water, both at 0 C. The canister is placed in an oven until all the H2O has boiled off and the canister is empty. How much energy in calories was absorbed?
Write the equation for the reduction half-reaction. If the potential of the silverIsilver ion electrode (E AgIAg+) is taken to be 0.000 V, what is the value of the potential for the oxidation reaction?
If you start the experiment with 0.500 grams of Nickel (II) Acetate Tetrahydrate, how many grams of nickel acetate are in the sample
How many grams of chromium would be electroplated by passing a constant current of 5.2 amperes through a solution containing chromium(III) sulfate for 45.0 minutes?
A buffer is prepared with 0.0400 moles of an acid (Ka=1.5x10^-4) and .025 moles of base and 400 mL water. Calculate the pH.
Calculate the pH of a solution formed by mixing 65 mL of 0.30 M NaHCO3 with 75 mL of 0.30 M Na2CO3
One of the advantages offered by a synthetic detergent is that it won't form "soap scum" with hard water. Show the chemical reaction that a soap (use RCO2-) undergoes with calcium or magnesium ions
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