# 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

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.

LA
infatuated

Math
3x^3+2x^2-x/2

algebra 2
1,-1

math
30x+7

honors chemistry
yes!

honors chemistry
thanks

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.

honors chemistry
why were the noble gases considered to be inert gases until the 1960s?

Algebra 2
x*2-4 180*2-4=356

trig
x=6/e^2

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

math
27

math
x=0,10/7

algebra
3.7*10^-5

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

algebra 1

Math
-13

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

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?

1. Pages:
2. 1

Post a New Question