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Q. Describe about temperature scales?
The temperature of an entity explains how hot or cold the object is relative to other objects. Scientists utilize two temperature scales-the Celsius scale and the Kelvin scale-to measure temperature. You will be utilizing the Celsius scale in most of your experiments. On the Celsius scale the freezing point of the water is defined as 0 degrees and the boiling point of water is defined as 100 degrees.
define free radical mechanism of additon reaction
What are the chemical laws and their verification
During a titration with EDTA, using eriochrome black T as indicator to determine Ca 2+ , an analyst obtained the following volumes of EDTA in three different trials: 5.01, 4.93 an
between nitrobenzene and phenol which is more reactive towards chlorine and why? Upon reaction with chlorine what products can be formed from the two reactions.
why lithium and beryllium markedly differ from other members of their respective groups?
1 gm of a metallic oxide on reduction gives 0.68 gm of the metal. ans) Mass of metal/mass of oxygen=eq. mass of metal/eq. mass of oxygen. applying this we get .68/.32=x/8 x=1
give examples
Why transition elements form interstitial compound
Energy of the electron in Hydrogen atom is given by: (1) E n = 131.38/ n 2 x kj mol -1 (2) E n = 131.33/n xkj mol -1 (3) E n = 1313.3/ n 2 x kj mol
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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