# Posts by yoshii

Total # Posts: 11

**Chemistry**

*structure

**Chemistry**

on which stucture of C8H10 can we get mono-nitro product with nitration?

**Chemistry**

how many electrons take part in redox reaction: Cl2 -> ClO3^-

**Math**

find the distance between M(1; 0; -3) point and 2x-2y+z+7=0 plane

**Math**

thank u

**Math**

find the limit: Lim (49x^2-25)/(7x-5) x->5/7

**Chemistry**

b) A c) F d) D e) C, D, E f) E

**Chemistry**

b??????

**Chemistry**

The half-life of a first order reaction is determined to be 61.0 years. How long will it take for the concentration of the reactant to reach 2% of its initial value?

**CHEMISTRY, PLEASE HELP**

b and d

**chemistry**

Decrease the cooling rate. Add CaO to the glass melt.

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