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a 1.00 molar solution of acetic acid is titrated with 2.00 molar solution NaOH. What is the ph at equivalence point?
Determine the limiting reactant in each of the following reactions. Circle (Just label) the formula for the limiting reactant in each problem.
What is the wavelength of light having a frequency of 5.4 x 10^13 Hz? What is the frequency (in Hz) oflight having a wavelength of 8.26 x10^2 nm?
a incandescent light-bulb of 80.0-w produces approx sixty percent of its energy as visible light. calculate how many
An unknown radioactive substance has a half-life of 3.20 hours. If 46.0 g of the substance is currently present, what mass was present 8.00 hours ago
The term solution is synonymous with which of the following. A. compound B. element C. homogeneous mixture D. heterogeneous mixture
How many molecules of sucrose (table sugar), C12H22O11, dissolved in 450.0 g of water are needed to make a 1.30 m solution?
What is the molar mass of this substance, express your answer in g/mol and determine the moloar concentraitions Cr 2 O 7 ^2 and of K + ?
What quantity of useful work can be obtained when Mg is added directly to the beaker of HCl. How can you harness this reaction to do useful work
Consider the possible reaction when stoichiometric amounts of solutions of Ba(OH)2(aq) and Al2(SO4)3(aq) are mixed. The products of the reaction are
Ammonia gas is produced by reacting hydrogen gas with nitrogen gas. To produce 50.0 g of ammonia gas using air as your source of nitrogen gas, what volume of air is required if the air is introduced at 29°C and 745 mmHg
Consider the reaction when aqueous solutions of barium acetate and chromium(III) iodide are combined. The net ionic equation for this reaction is
How many photons will be required to raise the temperature of 2.3 g of water by 2.1k ? Water is exposed to infrared radiation of wavelength 2.7×10?4 cm . Assume that all the radiation is absorbed and converted to heat.
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