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Forecast the products of the following oxides with water Na2O, BaO, CO2, N2O5, P4O10, SO3. State an equation for each of the reactions specify whether the oxides are acidic, basic or amphoteric
What is the pH of a buffer solution that is 0.0100 M in hypochlorous acid, HCIO, and 0.0300 M in sodium hypochlorite, NaCIO? (the Ka for HCIO is 3.5 x 10-8.)
Calculate the mass of nitrogen dissolved at room temperature in an 84.0 home aquarium. Assume a total pressure of 1.0 and a mole fraction for nitrogen of 0.78.
determine the mass of a mixture of 1.33x1024 formula units of sodium sulfate 1.500 moles of water and 3.77g of silver
If you want to dope GaAs to make an n-type semiconductor with an element to replace Ga, which of the elements below would you pick
How much time (in minutes) will it take for the water heater to heat the 5.5 Liters of water from 23 Celsius to 49 Celsius?
how many calories are required to raise the temperature of a 150.g sample of gold from 25 Degrees C to 175 Degrees C
the amount of h2o2 in 15.8g of hair bleach was determined by titration with a standard potassium permagnate
An analysis of fatty acids is desired. These fatty acids have boiling points in excess of 275O C. The sample is extracted with methanol to obtain a solution that only contains the fatty acids.
FInd the definition of cross-linking. How does cross-linking change the properties of a polymers
Determine how many milliliters of this solution should you dilute to make 100.0mL of 0.250M Ammonia(NH3)?
After obtaining a preliminary melting point range of 124-130 degrees C for an unknown, you identify it as benzamide. Running a mixed melting point determination with benzamide affords a melting point range of 117-125 degrees C
what would be the chemical equation to this problem? In an investigation of the reaction between copper(II) ions, Cu2+, and hydrazine, N2H4, in alkaline conditions the following observations were made: 25 mL of a solution containing 25 g/L CuSO4.5..
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