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why didnt all the noble metals get rust even they have high electrode potentials?Ans) for e.g if you look at gold it is highly reactive with greater negativity of gibbs free energy, rust forms on it ,but the rust is volatile in nature. it evaporates at room temparature.
Amongst the following covalent bonding is found in: (1) Sodium chloride (2) Magnesium chloride (3) Water (4) Brass Ans: Water
i have a thermogram of magnesium oxalate and have to determine the mass lost in each step. And also calculate the number of water of hydration for each oxalate hydrate .
application of crystallography
Q. What is Percent error? Quantities measured throughout an experiment are called experimental values. The dissimilarity between an accepted value and an experimental value is
Osmotic pressure: Osmosis process is the movement of a solvent from a solution of lower solute concentration (higher solvent concentration) to one of the higher solute concentr
how much time will it require to spend 0.1 mole of rupees when the average rate of expenditure is 1 billion rupees per second?
Q. Define homogeneous mixture ? A homogeneous mixture is one which has a constant composition throughout. By mixed sugar in water you create a homogeneous mixture. A homogeneo
If uncertainty in the position of an electron is zero, the uncertainty in its momentum would be: (1) Zero (2) (3) > h/ 2γ (4) Infinite
Q. Calculate standard state enthalpy of the substance? Ans. To determine ΔH o f for calcium carbonate, calcium and carbon are burned in a calorimeter. Noti
3-methylhexane impact name
due to their high stability and less energy
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