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what is first transition series
1. A compound whose empirical formula is CH 3 has a molar mass of 30 g/mol. What is its molecular formula? (3 points) 2. Find the molecular formula for each of the following co
Although cholrine is electoon withdrawing group.yet it is ortho nd para directing in electrophilic aromatic substitution reactants.why? Ans) Halogens are an exception of the dea
Q. Quantum Mechanical Model of the Atom? Ans: Using quantum mechanics, scientists realized that the exact location of an electron could not be determined. Instead, only the p
The four quantum numbers of the valence electron of potassium are : (1) 4, 1, 0 and 1/2 (2) 4, 0, 1 and 1/2 (3) 4, 0, 0 and +1/2 (4) 4, 1, 1 and 1/
What are the physical properties of Glucose?
Hi. I''m in year 11 and writing a chemistry report on the concentration of HCl in brick cleaner. The product I''ve chosen is a 20L solution of HCl, 30% HCl. I have to find the conc
why standard enthalpy change of Br2(g) is not zero
What are the compositions of the equilibrated top Layers? Figure is a temperature-composition phase diagram for the binary system of water (A) and phenol (B) at 1 bar. These li
about synthetic detergents
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