Thursday
December 12, 2013

# Posts by rebekah

Total # Posts: 437

Factoring
thanks so much!!

Factoring
2x^2+3x-7 i cant find a zero to use synthetic division with this. They dont work. What am I doing wrong? Thanks!

chem
when is i8t ok to use M1V1=M2V2?

Factoring- precalc
im stuck on factoring (x-1)(2x^3+13x^2+8x-35) do i use synthetic division? if so what zero? thnks.

Precalc factoring
im stuck on factoring (x-1)(2x^3+13x^2+8x-35) do i use synthetic division? if so what zero? thnks.

chem
Because the oxide ion is basic, metal oxides react readily with acids. (a) Write the net ionic equation for the following reaction. (Use the lowest possible coefficients. Include states-of-matter under SATP conditions in your answer.) FeO(s) + 2 HClO4(aq) Fe(ClO4)2(aq) + H2O(l...

chem
also do all strong acids and bases split?

chem
oh or do you have to write out the products as if every equation produced something and if it produces an insoluble then that is the percipitate?

chem
oh so even if the compound is soluble as long as it has a insoluble element(or ion) in either compounds it creates a percipitate 100% of the time?

chem
why will Na2CO3 + AgNO3 create a percipitate? I thought that one of the compounds has to be insoluble for it to form a percipitate? but according to the solubility rules they both are soluble

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