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Calculate the molarmass of a nonelectrolyte that lowers the freezing point of 25.00g of water to -3.9 degrees C when 4.27 g of the substance is dissolved in the water.
ENTROPY Entropy is a thermodynamic property of a system. It is denoted as S and like as the enthalpy and internal energy, it is a state function. In thermodynamic expression, e
In ion estimation why we have to change the oxidation state of the Fe+3 ion. Ans) Because if iron is in +3 oxidation state it will be morestable then we get preferable product. s
Q. Describe Electron Configurations and Orbital Diagrams? Ans. Remember that the atomic number of an atom tells us the number of protons and electrons in the neutral atom. To a
N2O5
20ml of water sample requires 15ml of 0.1mg/l sodium carbonate using phenolphthalein indicator. state the type of acidity and calculate the acidity
P-nitrobenzenediazonium ion The p-nitrobenzenediazonium ion, which is formed in the diazotization reaction, acts as the electrophile in an electrophilic aromatic substitution a
What is the diagonal relationship between Beryllium and Aluminium
The bond between two identical non-metal atoms has a pair of electrons: (1) Unequally shared between the two (2) Transferred fully from one atom to another (3) With iden
mention the basic tendency of an atom which makes it to combine with other atoms.
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