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Other than precision and accuracy, Define what are two advantages of using a burette for measuring reaction volumes as opposed to a graduated cylinder?
Calculate the pH after 10.0, 20.0, 30.0, and 40.0 ml of 0.100M NaOH have been added to 40.0ml of 0.100M HClO.
how many liters of H2 would be formed at 528 mm Hg and 12 degrees celcius if 28.0g of zinc was allowed to react
Indicate whether each of the following processes produces an increase or decrease in the entropy of the system:
compound b is burned in a calorimeter containing 1.5l of water.when 50.0g of compound b is burned in the calorimeter
for the reaction a b c the rate law is ka. if it takes 80.0 seconds for 70.0 of a 10.0 gram sample of a to be
A 2.9 m solution of methanol (CH3OH) in water has a density of 0.984 g/ml. What are the a) mass percent, b) molarity, and c) mole fraction of methanol in this solution?
Health Canada recommends a an upper level intake of Na to be 2300 mg. How many ounces (oz) of the meat must be ingested for a person to meet this level?
calculate the average bond enthalpy for the carbon-carbon bonds in C6H6, comment on your answer in comparison to the estimated values for a single C-C bond (348 kJ/mol) and a double C=C bond (1842 kJ/mol)
Identify invent a salt which has a weak acid as it's cation and a weak base as its anion so that the salt would yield an acidic solution in water.
Consider the hypothetical reaction A 2B, for which ?Go is -16.6 kJ/mol. In a certain experiment, the initial concentrations are [A] = 8.00×10-3 M and [B] = 2.500 M at a temperature of 298 K. Calculate G for the reaction at these concentrations.
What is the procedure for the extractions (to MAXIMIZE THE YIELD) and volumes? (i.e. How much water, NaCl, sodium bicarbonate and in what order)?
In the following chemical equation, what is the reactant. CuSO4·5H2O(s) ® CuO(s) + SO3(g) + 5H2O(l)
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