chaobas
chaobas
Male
June 12, 2012
Teacher
Graduate School
Biology, Chemistry, Earth Science, Ecology / Environment, Mathematics, Physics
teaching and reading novel and sometimes playing music
Biography
I love teaching. I am post graduate in biotechnology
New Activity for chaobas
Answered a Question in Science
concentration of fluoride ions of about 0.90 ppm and 1 ppm = 1 g in 10^6 g that...
Asked a Question in Math
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Answered a Question in Math
It can be done through unit circle method. But using pythogorous therorem would be...
Answered a Question in Science
Now we have the properties of square as (1) all the angles are 90 (2) all...
Answered a Question in Math
square root(x^2+x+1)=3-x (x^2+x+1)=(3-x)^2 [squaring both side] x^2 +x...
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Answered a Question in Math
(2x-1) = 8(3-x) (2x-1) = 24-8x add 8x on both side (2x-1+8x =...
Answered a Question in Simple Equations
Now (x+2)^3 is the form of (a+b)^3 : where a=x and b=3: Now we have the...
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Answered a Question in Science
Octet rule states that element generally tends to attend octet state that is 8...
Answered a Question in Science
here, 1 gallon = 3.7854 L = 3785.4 mL so the volume of ocatne is...
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Answered a Question in Science
Now Ionic compound/ bond is formed between metal and a non-metal, the bond is...
Answered a Question in Science
now density of vinly chloride = 2.05*10^-6 g/L So if we take 1 L of...
Answered a Question in Science
Density is mass over volume Density = mass/volume Density of ethylene glycol =...
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Answered a Question in Science
bacteria plays an important role in GE (genetic engenering). As we already know...
Answered a Question in Science
Lamin proteins are filamentous proteins present in the nucleus. they are...
Answered a Question in Chemistry
Let's find the number of moles of Al and O2. Mass of Al =3.17 g and molar mass of...
Answered a Question in Science
According to Lewis theory, an acid is an electron pair acceptor while a base is an...
Answered a Question in Science
at STP, the volume of 1 mole any gas(that is 1 mole of any gas will occupy)...
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