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Which of the following is a neutralization reaction?
A. KCl + NaNO3 --> KNO3 + NaClB. HNO3 + KOH --> H2O + KNO3C. H2O + SO3 --> H2SO4D. 4Na + O2 --> 2Na2OE. 2NO2 --> 2NO + O2
If I burn 0.315 moles of hexane (C6H14) in a bomb calorimeter containing 5.65 liters of water, what's the molar heat of combustion of hexane is the water temperature rises 55.4 ºC? The heat capacity of water is 4.184 J/g ºC .
112 mL of a glucose (C6H12O6) solution is prepared by diluting 8.2 mL of a stock solution of unknown concentration. If the dilute solution contains 0.20 moles of glucose
In an experiment, 1.26 grams of iron combines with oxygen to give a compound that has a mass of 1.80 grams. What is the empirical formula of the compound?
pure nitrogen can be prepared when an aqueous solution of ammonium nitrite decomposes to form water vapor and nitrogen gas. How many grams of ammonium nitrate must have reacted if 3.75dm3 of nitrogen gas was collected over water at 26C and 97.8 kP..
Calculate OH- of each aqueous solution using the following H3o+ A baking soda 1.0 X 10-8M B orange juice 2.0 X 10-4
The reaction previously done was just having trans-cinnamic acid reacted with Br2 forming all the isomers with the double bond being broken and Br put into place.
Calculate the percent of a strontium sample left after 100 years. The half-life of strontium-90 is 28.1 years.
What is the the structures of both products and how can you distinguished them using IR spectroscopy?
A piece of metal of mass 20 g at 99?C is placed in a calorimeter containing 55.8 g of water at 23?C. The final temperature of the mixture is 30.4?C.
Although there are a great variety of lipid structures, most lipids contain: A) A large hydrocarbon portion and no polar groups B) A large hydrocarbon portion and a few polar groups
Given that the Ka of boric acid is 5.8x10^-10M, what is the pH of a 0.50M boric acid solution? Are there any good approximation available?
If 30.0mL of .150M calcium chloride is added to 15.0 mL of .100 M silver nitrate what will be the final concentration of all ions the remain in the solution?
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