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Explain and Define standard feat of formation
Ans) The amount of heat liberated of absorbed when single mole of compound is formed in its standard state from its elements in their standard state is known as standard heat of formation ( Hf *)
Q. Explain the use Radioactive Nuclides? Ans. Radioactive elements are easily found because they emit radiation. They can be used as tracers to show what is happening in
A medicine dropper is an instrument used to calculate small amount of liquids, usually in milligrams.
4 NH3 + 5 O2 --> 4 NO + 6 H2O How many grams of NO are actually produced when 60.02 grams of ammonia are allowed to react with 96.00 grams of oxygen? ((This is a limiting reactant
Test of glucose - Biomolecules (a) While heated in a waterless test tube, it melts, turns brown and finally black, provoding a characteristic smell of burnt sugar. (b) While
does lowered pH of water affect dissolved oxygen?
basic principle of differential thermal analysis
account for the effects of solvents on the wavelength of absorption of the acetone in terms of the hydrogen bonding properties of the solvent used
Methane - Members of Alkanes It is also termed as marsh gas. (i) Industrial method of preparation: Mathane gas is acquired on a large scale from natural gas by liquefactio
Q. What is chlorofluorocarbon? A chemical is some substance that has a definite composition. Ozone is a chemical which is made up of three particles of oxygen. Ozone forms a th
Q. What is Atomic emission spectra? Atomic emission spectra while atoms of an element in the gaseous phase are excited by an input of energy such as that from a high-voltage
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