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When 50.0 mL of 0.050M formic acid, HCO2H, is titrated with 0.050M sodium hydroxide, what is the pH at the equivalence point? (Be sure to take into account the change in volume during the titration.)
The increase in volume is due to the H2 gas created. 50 g of tin (Sn) is 0.421 moles. That is also the number of moles of H2 that are created. Use tha ideal gas law to compute the added volume due to that gas.
Starting with Benzyl alcohol (PhCH2OH), 1-Proponal and any other organic or inorganic reagents outline a synthesis of 2-methyl-3-phenyl-2propen
To verify the presence of sodium or potassium ions it is required to use the flame test. Explain why is not possible to precipitate these ions by reaction similar to those used to identify barium, silver, etc
Cyclopropane, C3H6, is an anesthetic given by inhalation. How many grams are in 0.30 mole of cyclopropane? The sedative Demerol hydrochloride has the formula C15H22ClNO2. How many grams are in 2.2x10^-2 mole of Demerol hydrochlorde?
what mass of Mg is formed from molten MgCl2 if a current of 1.8 amps is passed through the sample for 16.7 hours
Nitrogen dioxide decomposes according to the reaction 2NO2(g) 2NO(g) + O2(g) where Kp = 4.48 × 10-13 at 25°C. What is the value for Kc?
The bitter-tasting compound quinine is a component of tonic water and is used as a protection against malaria. It contains only C, H, N and O. When a sample of mass 0.487 g was burned, 1.321 g of carbon dioxide, 0.325 g of water
Why is Sb capable of having an expanded octet whereas nitrogen can not even though they are in the same column on the periodic table
Eventually, his mother decides to take him to the doctor who diagnoses it as an acute case of middle ear infection (otitis media), and prescribes amoxicillin for his treatment. He weighs 44lb, and the daily dose of amoxicillin for the treatment of..
A quantity of 432 mg of an amino acid with a neutral side chain consumes 7.39 mEq of acid as well as base in the titration range of 0.8 to 12.0. Explain what is the name of the amino acid
When measuring horse radish peroxidase you found that a purified preparation has a specific activity of 10mmolar/sec/mg protein. suppose you added to an assay a competitive inhibitor that would not produce a colored product.
The first-order rate constant for the decay of the radioactive isotope carbon-14 is 1.2 x 10-4 year-1. What fraction of the carbon-14 initially in a sample is still present 1500 years later
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