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The charge on the atom containing 17 protons, 18 neutrons and 18 electrons is:
(1) +1
(2) -2
(3) -1
(4)Zero
Ans: -1
De?ne Quoin and Queen closer De?ne Least count. Explain functions of the foundation
why all scandium salt are white
Q. Illustrate the structure of Alkanes? Ans. Alkanes have the general formula C n H 2n+2 . This means that for every n atoms of carbon, there are 2n + 2 atoms of hydrogen.
Q. Derive an expression for the standard molar reaction entropy of a reaction that can be used to calculate its value from the thermodynamic equilibrium constant and its temperatur
can all the total heat content available betotally converted to work done?
Calculate the total heat (in J) needed to convert .777 moles of gaseous ethanol at 300 degrees C and 1 atm to liquid ethanol at 25 degrees C and 1 atm. Extra info: b.p. 78.5 degree
How is 7.979 times 10 to the 4th in scientific notation for the ordinary notation: 7979?
Q. Limitations of Hybrid orbitals? It gives no idea whether a particular metal ion would prefer to have any particular geometry say, an octahedral or tetrahedral with a giv
commercial cells
Molten sodium chloride conducts electricity due to the presence of: (1) Free electrons (2) Free ions (3) Free molecules (4) Atoms of sodium and chlorine Ans: Free
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