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The gas constant, also known as the universal, usually denoted by symbol R is a physical constant which is featured in a large number of fundamental equations in the physical scien
The energy of an electron in the first Bohr orbit of H atom is-13.6eV . The possible energy value(s) of the excited state(s) for electrons in Bohr orbits to hydrogen is(are):
In Balmer series of hydrogen atom spectrum which electronic transition causes third line: (1) Fifth Bohr orbit to second one (2) Fifth Bohr orbit to first one (3) Fourth
Q. Illustrate Classification of Matter? Pure Substances In order to understand what a pure substance is, you must think of it on an atomic level. Elements and compounds
#question how many calories are required to heat 1.0g water from 15 to 65c..
Q. Show the Multiple covalent bonds between electron pairs? Ans. Two atoms may share one electron pair, two electron pairs or three electron pairs. The bonds formed in th
Draw the line-bond structure of the nucleotide 2'-deoxyadenosine 5'-monophosphate (damp, disodium salt) and of the bases cytosine, guanine, and thymine. Indicate the correct hy
Matter is anything that has mass and takes up space. The term matter refers to all the materials, or "stuff," making up the universe. Everything you see around you is matter. The c
The lactone, a cyclic ester, can form an enolate ion, and this ion is alkylated by methyl iodide.
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
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