Tuesday
June 18, 2013

Posts by rebekah


Total # Posts: 430

chem
Calculate the amount of heat transferred when 2.06 g of Mg(s) reacts at constant pressure. 2 Mg(s) + O2(g) ¨ 2 MgO(s) ƒ¢H = -1204 kJ

Adv Comp
I need help coming up with a title for a review on the documentary Wordplay. I wrote about how the documentary give a lot of great information, but lacks a compelling plot throughout. I really wanted to make the title interesting by adding actual wordplay into it, but I can...

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?

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