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The energy that opposes dissolution of a solvent is: (1) Hydration energy (2) Lattice energy (3) Internal energy (4) Bond energy Ans: B
diagonal relationship and anomalous behaviour of the each element of the periodic table
The charge on the atom containing 17 protons, 18 neutrons and 18 electrons is: (1) +1 (2) -2 (3) -1 (4)Zero Ans: -1
when a 0.800g sample of CaCl2 is dissolved in 9.85g of water in a microscale calorimeter the temperature of the solution rose from 23.4 degrees celcius to 35.8 degrees celcius.calc
Q. What are the uses of Oxygen? Oxygen is essential for life. Most life processes are based on oxidative metabolism: While the terrestrial beings take up oxygen through respira
The molecular formula of chloride of a metal M is MCl3 The formula of its carbonate would be: (1) MCO 3 (2) M 2 (Co
1. In water softening, which of the precipitates will settle out? 2. For particle sizes larger than 1μ in size 3. In non-ideal type II settling 4.The most usually used me
Define the Cell potential of a galvanic cell? The cell potential of a galvanic cell is the electric potential difference between terminals of the same metal, and is defined by
draw dxy and dx2-dy2 atomic orbitals
Pauli's exclusion principle states that: (1) Two electrons in the same atom can have the same energy (2) Two electrons in the same atom cannot have the same spin (3) The
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