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An aqueous solution has a hydroxyl concentration of 1.75 x 10^-7mol/L. Find the concentration of hydrogen ions in this solution.
Initially 5 mol of an ideal gas with Cv,m=12.5 J K^-1 mol^-1 are at a volume of 5 dm^3 and a temperature of 300K. If the gas is heated to 373 K and the volume changed to 10 dm^3, w
can you give examples of semi-synthetic polymer
how many number of electrons are possible in the valence shell of metals
The hydride ions H- are isoelectronic with: (1) Li (2) He + (3) He (4) Be Ans: He
All electrons on the 4p sub-shell must be characterized by the quantum number(s): (1) n=4, m= 0, s= ± 1/2 (2) l=1 (3) l=0, s= ± 1/2
Binary phase diagrams of two component systems are usually Two dimensional plots of temperature and composition.
Introduction Methods of characterization aim to calculate the products of a reaction. The level of detail expected depends on the circumstances, and calculates the range of met
The mass number of an anion, X 3- is 14. If there are ten electrons in the anion, the number of neutrons in the nucleus of atom, X 2 of the element will be: (1) 10
Vapour pressure of water at 293 k is 17.535mmHg calculate the vapour pressure of water at 293 k when 25g of glucose is dissolved in 450 g of water?
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