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The number of electrons in the valence shell of calcium is:
(1) 6
(2) 8
(3) 2
(4)4
Ans: 2
C2H5OH -> CO2(g) + H2O(g)
what are the methods of expressing the mathematical concentration of solutions.?
Ask quCOPPER REACT REACT WITH OXYGEN TO FORM TWO OXIDES X AND Y ON ANALYSIS 1.535g OF X YIELDED 1.365 OF COPPER AND 1.450 OF Y YIELDED 1.160g OF COPPER 1 DETERMIN THE CHEMICAL FOR
How do I cite information that I get from this website? Specifically, I''d like to know what textbook this comes from: http://www.expertsmind.com/topic/chemistry/solvent-extractio
A solution contains an unknown amount of osmium at the µg/g level, or below. Chemically pure osmium (Os) may be separated from the solution, but the chemical yields are variable an
Energy of the electron in Hydrogen atom is given by: (1) E n = 131.38/ n 2 x kj mol -1 (2) E n = 131.33/n xkj mol -1 (3) E n = 1313.3/ n 2 x kj mol
Formation of phenol by dizonium solt #Minimum 100 words accepted#
The π electrons of a conjugated molecule can be modeled as a particle in a box where the box length is a little more than the length of the conjugated chain. The Pauli exclusion pr
why was hydrochloric acid added?
Q. What are Independent and dependent variables? An experiment is a set of controlled explanation that tests a hypothesis. In a research a scientist will set up and change on
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