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Radioactive decay is a process whereby unstable nuclei change into more stable nuclei by emitting particles of different kinds. Alpha, beta and gamma (α, β and γ) radiation was classified according to its different penetrating power.
what is dilution process?
240 g of water at 20 degree C are mixed with a sample of iron at 500 degree C. The final temperature of the system is 42 degree C. Find the mass of the iron sample
the dug known as LSD has the formula C20H25N3O.one suspected sample contained 74.7%C,7.95%H,9.99%N.calculate the theoretical percentages to four significant figures
Hydrazine, N2H4, reacts exothermically with hydrogen peroxide, H2O2, to produce gaseous nitric acid and water vapour. What would a balanced equation for this reaction be?
use of ammonium chloride in 3 group of basic radicals
How S.E.P. explains stability of particular oxidation state of transition metals?
a bacterial culture isolsted from sewaga produces36.4cm of methane gas at 27C and 760mmHg this gas occupies 33124cm at 0c and same pressure explainvolume temperature relation ship
Copper=54.1%, oxygen=20.1% and the balance sulfur. Could this also be the molecular formula? What other data is needed?
what is 1 u equal to ?
ORIGIN AND ABUNDANCE OF THE ELEMENTS The synthesis of elements needs nuclear reactions, of which the most important type is the fusion of two light nuclei to prepare one of
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