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In naturally occuring neon, the fracional abundance of various isotopes is as follows: 20Ne =0.9051; 21Ne = 0.0027; 22Ne = 0.0922. What is the atomic mass of neon?
notes
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 a peptide bond made through dehydration, showing a complete chemical equation
Q. Name the various steps required for making water suitable for domestic use. Ans. Treatment process for domestic use S . No . Process use for tr
Miller indices of the diagonal plane of a cube are (110)
how scales are formed?
If the velocity of hydrogen molecule is 5x 10 4 cm sec -1 then its de-Broglie wavelength is: (1) 2 Å (2) 4 Å (3) 8 Å (4)100 Å Ans: 4 Å
The enthalpy change (ΔH) in a reaction is equal to the heat input under conditions of constant pressure and temperature. It is not equal to the total energy change, as work may be
what are chemical properties of haloarenes?
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