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Calculate pH change if 1ml of HCl were added to 30.0ml of pure water instead of the buffer solution.
Give the repeating unit of the polymers prepared by ADMET polymerization
Would the desired reaction occure if ethanol or t-butyl alcohol were used instead of isopropyl alcohol in the attempted photochemical dimerization of benzophenone?
Element Z has two naturally occurring isotopes Z-79 ( 78.918 amu) and Z-81 (80.916 amu) . Calculate the atomic mass of element Z given the abundance of the Z-81 is 49.31 %
Write a general formula to represent the chemical composition of fats and oils. How do they differ from one another
When heated, ammonium carbonate decomposes as follows. NH4CO2NH2(s) ->2 NH3(g) + CO2(g) At a certain temperature the equilibrium pressure of the system is 0.318 atm. Calculate KP for the reaction.
A steel container with a volume of 500.0 mL is evacuated, and 25.0 g of CaCO3 is added. The Container and contents are then heated to 1500 K, cuasing the CaCO3 to decomposed completely
A compound, C7H12O4, has an IR spectrum showing a peak at 1735 cm-1. Its 1H NMR spectrum has peaks at delta 1.3 (6 H, triplet), 3.4 (2 H, singlet), and 4.2 (4 H, quartet). Draw its structure
Chlorine is used to disinfect swimming pools and the accepted concentration for disinfection is 1.0 ppm (1 g chlorine per one million grams of water).
This is for two dimensional arrays with both positive and negations ions alternating in a square pattern. I am given the hint to select an area with boundries through the middle of the outermost ions-ie the edge ions count as 1/2
calculate the heat given off when 177 g of copper cools from 155.0 celsius to 23.0 celsius. the specific heat capacity
Testing the run off water of PNA (polynuclear aromatic compounds). Which analytical method you will use in each case. Explain your choice
considering the given equation as 2fe2o3s 3cs rarr 4fes 3co2g and compute w when 181 grams of iron iii oxide mm
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