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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
Calculation of empirical formula The steps included in the calculation are as follows, (a) Divide the percentage (%) of each element by its atomic volume. This gives th
Electroanalytical technique: An electroanalytical technique is based on the measurement of one or more electrical quantities and their magnitudes could be correlated with the
Physical properties - Alkyl nitrites (1) At ordinary temperature it is a gas that can be liquified on cooling to a colourless liquid, (boiling point 17°C) comprising characteri
the decomposition of nh3 on a platinum surface is a zero order reaction. what are the rates of production of n2 and h2 if k+2.5*10-4 mol-1 lsec-1?
Q. Ash content of a foodstuff? Ash content of a foodstuff represents inorganic residue remaining after destruction of organic matter. It may not be the exact measure of the tot
Question: (i) Explain the concept of Environmental Impact Assessment (EIA) and state its main objectives. (ii) List 3 activities (from the marine sector) which require an
what is p block element
Which of the following has highest melting point: (1) BaCl 2 (2) MgCl 2 (3) Cacl 2
What is the meaning of Casting - fabrication processes Fe-C alloys with more than 2% carbon are known as cast irons. On crossing liquidus, proeutectic crystallizes first. O
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