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chemical reactions
Which one of the following explains light both as a stream of particles and as wave motion: (1) Diffraction (2) γ= h/p (3) Interference (4) Photoelectric effect
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.
A solid substance with a mass of 200g is at its melting temperature in a calorimeter. While the substance changes from a solid to a liquid at the same temperature, the 400-gram mas
Chemical reactions of glycerol.
discovered boron family
Important reaction
hno3 reactio
He- is p block element
it is impossibe to synthesise orgnic compounds in the lab since life force is essential for their formation -theory is known as
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