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A electrovalent compound is made up of: (1) Electrically charged molecules (2) Neutral molecules (3) Neutral atoms (4) Electrically charged atoms or group of atoms
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
The energy required to dislodge electron from excited isolated H-atom, IE 1 = 13.6 eV is: (1) = 13.6eV (2) > 13.6eV (3) 3.4 eV
Q. Determine the specific heat and claculate the total heat transfer? Ans. If a mug full of coffee has about 350 g of liquid inside, how much heat is lost as it cools from 87 o
a 60.0g sample of water initially at 40.0 degree celcius is heated and converted to steam at 100 degree celcius. how much heat has been supplied to the sample during the pross. giv
how is a peptide bond made through dehydration, showing a complete chemical equation
RL, a 28-year old first time father, was watching his 4-month old baby for the weekend while his wife was away at a sales meeting. Things were going well. He had run out of breast-
Ninhydrin test- test of proteins Ninhydrin test : This test is specified by all proteins. While a protein is boiled along with a dilute solution of ninhydrin, a violet colour i
characteristics of group 13 elements
The angular momentum of an electron depends on: (1) Principal quantum number (2) Azimuthal quantum number (3) Magnetic quantum number (4) All of these Ans: Azimutha
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