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rules for naming organic compunds
in Cr atom the number of electron having n+m=3
The only nonradioactive isotope of fluorine has 9 protons and 10 neutrons. a. What is its mass number. b. Write the full symbol of this atom.
According to Collision theory a chemical reaction takes place due to collision between the particles of these reactants. The number of reacting species (atoms, ions or molecules) w
What will be the mole fraction of 98% pure H2SO4 in 1 liter solution which has density 1.85gm/ml at ntp?
Explain enantiomer
Q1: The complexes of Fe +2 with 1, 10- phenanthroline has a molar absorptivity of about 11,000 L/mol cm in water at 510 nm. A 20 ml water sample thought to contain Fe +2 is mix
(a) Which aqueous solution has higher concentration 1 molar or 1 molar solution of the same solute? Give reason. (b) 0.5g KCI was dissolved in 100g water and the solution origi
plzzzzzzz sir giv me some information about law of constant proportion my email id is [email protected]
A mylar novelty balloon is filled with 4.5 L of He at1 atm pressure and 23 degree Celcius temperature. It is then dipped into liquid nitrogen (77K) until the gas and balloon are a
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