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Consider the titration of a 25.0 mL sample of 0.110M HC2H3O2 with 0.130M NaOH. Determine the pH at one-half of the equivalence point. (initial pH=2.85, the volume of added base required to reach the equivalence point=21.2 mL)
A 2.00 g sample of ammonia is mixed with 4.00 g of oxygen. Which is the limiting reactant and how much excess reactant remains after the reaction has stopped
A 3.46 g sample of zinc heated to 95.4 C was dropped into 50 g of water at 20.7 C in a calorimeter. The temperature rose to 21.2 C. What is the specific heat of zinc?
Complete the reaction mechanism below for the first two steps of the dehydration of 2,3-dimethylpentan-2-ol.
Draw the structures of the two carbocation intermediates that might form during the reaction of the alkene (below) with HCl. If the two carbocations differ in stability,
How many MOLECULES of phosphorus triiodide are present in 3.72 moles of this compound
A chemist isolates a colorless liquid with the properties of cyclohexane (M= 84.2 g/mol) from a petroleum sample.
Determine how many moles of CO 2 would have to be combined at constant temperature and volume to increase the amount of CO to 0.300 moles?
sodium hydrogen carbonate and sodium chloride are both soluble in water. will a double replacement reaction take place
Consider a waterbody at that temperature containing 7.0 mg l-1 oxygen. By photosynthesis, 1.5 mg of carbon (as carbon dioxide) is converted to biomass (CH3O) during a single hot day.
Calculate the binding energy of the 6Li nucleus in Joules per nucleon, given the following nuclear masses: 6Li = 6.01348 amu, proton = 1.00728 amu and neutron = 1.00867 amu.
explain if you can use an integrated rate law to find the orders of each reactant in a reaction with more than one reactant
What type of compound is produced by the reduction of aldehydes and ketones?
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