Saturday
May 18, 2013

Posts by Charles


Total # Posts: 212

Math
How do I identify the initial value and the growth or decay for these problems? a) Q=25000 x (1/2)^t b) y=350 x 5* c) N=5000 x (9/10)^t

Chemistry
Determine the theoretical and percent yield of hydrogen gas if 78.5 g water undergoes electrolysis to produce hydrogen and oxygen and 3.23 g hydrogen is collected.

L.O
5 ways in which the human or enviromental problem impacts on the community.

chemistry
A generic salt, AB, has a molar mass of 293 g/mol and a solubility of 2.20 g/L at 25 °C. What is the Ksp of this salt at 25 °C?

chemistry
A generic salt, AB, has a molar mass of 293 g/mol and a solubility of 2.20 g/L at 25 °C. What is the Ksp of this salt at 25 °C?

Chemistry
I only need help with parts c) and d)

northrise university
What is natural law?

math
what is the speed of a runner who can run 400 metre in 76 seconds

Math
Elbert wants to plant grass seed in his backyard. His yard is shaped like a rectangle that is 6 meters by 7 meters. He plans to use a cup of seed for every square meter in his yard. How many cups of grass seed will he need?

Math
Serena has a square-shaped garden. She wants to put a fence around the outside of the garden. One side of the garden is 8 feet long. How many feet of fence will she need?

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