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Referential integrity is a relational database concept in which multiple tables share a relationship based on the data stored in the tables, and that relationship must remain consistent. Please answer by your own words, don't google it.
The vapor pressure of pure water at 98 degrees C is normally 707.3 mmHg, but decreased to 690.3 mHm upon addition of an unknown amount of copper (II) nitrate, Cu(NO3)2, to 166.6 g of water at this temp. How many grams of copper (II) nitrate were a..
A certain aldose is added to an aqueous sodium hydroxide solution. After equilibrium is reached it is found that there are 3 open chain sugars in the solution. Draw the enediol that is believed to be the intermediate.
Calculate the enthalpy change for this reaction per mole of "X". Assume that the specific heat and density of the resulting solution are equal to those of water [4.18 J/g*C and 1.00g/mL ] and that no heat is lost to the calorimeter itself, nor to ..
Explain what the big difference is between concentrated and aqueous acids, as well as what role would that difference play in the reaction between 9-fluorenol and sulfuric acid
Show the reaction mechanism when 2-methyl-2-butanol, sulfuric acid(H2SO4), and water are in a mixture
question 1what is a chemical transformation of waste?question 2a.list the problems associated with incineration of
mno4- is deep purple in aqueous solution while mn2 is colorless. suppose a solution of kmno4 is being used as a sample
What 2 analytical methods would you use in order to determine (quantitatively/qualitatively) whether of not there is pesticide present in the water sample. Include how you would use these methods in order to determine the contamination/presence
The electrolysis of molten A12O3 at 980 ºC is used to produce metallic aluminum. A current of 658 A is used in the electrolysis cell. What is the rate of formation of aluminum, in kilograms per hour
How many kJ of heat are required to produce 13.7g NO2, by 2NO2+ O2 --> 2NO2. the heat of reaction is 113.04
calculate the mass of oxygen dissolved in a 5.00 l bucket of water exposed to a pressure of 1.13 atm of air. assume the
calculate the concentration of calcium ion (in mg/L -1) in the water (25C). What assumptions are made in carrying out the calculation?
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