chemistry
A compound is composed of 19.998% carbon, 3.331% hydrogen, 23.320% nitrogen, and 53.302% Oxygen. Its molar ass is 120.07 gram/mole. What are the empirical and molecular formulas?
chemistry
If you have a 29.6 mass percent KCl in benzene,what is the new boiling point?
12th grade
height of the tree O ________________________ = __ Tan 25= Cast shadow of the tree A 41 Cast shadow = ________ tAN 25 = 87.9
algebra
Mr. Miller says, Plan on a quarter pound of hamburger per person." There are 21 people in the class, including Mr. Miller and us." How much money should be collected for the cost of each burger in each student? if Hamburger Meat: $1.49 per pound ( limit: 5 pounds per...
Physics
5
chemistry
iatrochemistry -what is it? -who created it? cant use wikipedia :s thanks!
CHEMISTRY
iatrochemistry -what is it? -who created it? (facts about him/her)
algebra 2
81x2-18x+1
algebra
P=2l +2w 222 = 2(w+47) + 2w 222= 2w +94 +2w 222=4w+94 222-94=4w+94-94 128=4w 32=w so length = w+47 length = 32+47=79
geometry
the other slice will be 80 degrees since the other is 60.
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