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Q. What do you mean by Rounding off numbers?
Rounding off numbers while you report a calculation your answer should have no more significant figures than the piece of data you used in your computation with the fewest number of significant figures. Therefore if you calculate the density of an object with a mass of 12.33 g in addition to a volume of 19.1 cm3 your answer must have only three significant figures. Though when you divide these quantities using your calculator it will show 0.6455497-lots more figures than you can report in your answer. You must round off the number to three significant figures or 0.646.
The bond between two identical non-metal atoms has a pair of electrons: (1) Unequally shared between the two (2) Transferred fully from one atom to another (3) With iden
what is the empirical formula of a compound that contains 53.73% iron and 46.27% sulphur?
please what are the applications of coordination compounds/ can someone help me out...please!
The covalent compound HCl has the ionic character as: (1) The electronegativity of hydrogen is greater than that of chlorine (2) The electronegativity of hydrogen is equal
Q. Significant figures of the number of digits? Significant figures of the number of digits reported in a measurement signify how precise the measurement is. The further di
explanation on the periodic tables
Li + H20 ----> LiOH + H2....if I start with 3.4 mols of H2O , how many mols of H2 can I make?
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Electrochemicalseries table
i need help filling in this equation __Na+__O2= __ Na2o
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