Wednesday
August 27, 2014

Posts by Kellin


Total # Posts: 21

Math
what is the area of the right triangle formed by halving a square with perimeter 36 along its diagonal? a) 9 b) 18 c) 18+ 9 square root 2 d) 40.5 e) 81
July 6, 2013

honors chemistry
Compare the present Periodic Table with Mendeleevs original Periodic Table in terms of how it is organized, number of elements, what it looks like, ease of understanding, and information given.
May 17, 2012

LA
infatuated
May 17, 2012

Math
3x^3+2x^2-x/2
May 17, 2012

algebra 2
1,-1
May 17, 2012

math
30x+7
May 17, 2012

honors chemistry
yes!
May 17, 2012

honors chemistry
thanks
May 17, 2012

honors chemistry
Explain what the term "halogen" means and why they have this name, and which halogens exist as a solid, a liquid, and a gas at room temperature.
May 17, 2012

honors chemistry
why were the noble gases considered to be inert gases until the 1960s?
May 17, 2012

Algebra 2
x*2-4 180*2-4=356
May 17, 2012

trig
x=6/e^2
May 16, 2012

algebra
Find the slope of the line that is a) parallel and b) perpendicular to the given line. 1. x=-8 2. y=10
May 16, 2012

math
27
May 16, 2012

math
x=0,10/7
May 16, 2012

algebra
3.7*10^-5
May 14, 2012

math
add all sides together=perimeter p=10+10+12+12 length*width=area 10*12=120
May 14, 2012

algebra 1
the answer is 4
May 14, 2012

Math
-13
May 14, 2012

chemistry
is this right? -log(concentration of h3o+ or h+) ph= -log(9.5*10^-8) 1) 7.022
May 14, 2012

chemistry
1. Find the pH of a solution whose [H3O+] is 9.5 X 10^ -8 M. 2. What is the [H3O+] concentration of a solution with a pH of 5.45? 3. What is the pOH of a solution with a [OH -] concentration of 2.97 X 10^ -10 M?
May 14, 2012

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