Wednesday
December 11, 2013

# Posts by tammy

Total # Posts: 595

chemistry
do the (*) mean multiple..or are you using them to seperate the numbers??

chemistry
The energy levels the electron can occupy in the He+ ion can be calculated using the energy level equation. Calculate the frequency (Hz) of the photon emitted when the electron goes from a n= 4.00 energy level to a n= 3 energy level. Express answer in scientific notation.

algebra
(72÷(-4)+3(-4))/(5-(-5))

algebra
(72÷(-4)+3(-4))/(5-(-5))

algebra
(72÷(-4)+3(-4))/(5-(-5))

phsyics
The electric field intensity between two charged plates is 1.2 103 N/C. The plates are 0.030 m apart. What is the electric potential difference, in volts, between the plates?

Englis
She answered (sooner or soonest) of the ten people asked....Which do I use?

math
I don't know

physics6
F=F ma=ma 64 * a = 42 * 3.5 a= 147/64 = 2.29

chem
A steel cylinder of oxygen has a volume of 20.0 L at 22 degree C @ 35 atm. What is the volume @ STP? How many of oxygen are in the container?

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