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when water pour on a metal surface(steel) it will be corroded.
what is the chemistry behind it.
which is anode ,cathod,and electrolyte???
when steel exposed to atmosphere it also corrode??
what is anode,cathod,electrolyte??
can you explain it simply??

Calculate the pH at equivalence point for the titration of 0.220M methylamine with 0.220M of HCl. The Kb of methylamine is 5.0x10^-4
A skydiver jumps from a helicopter hovering at high altitude.
Neglecting air resistance, how fast will she be falling 12 after jumping?
How far will she have fallen?
What us her average velocity
A rifle is firmly attached to a heavy bench, with its 75.0 cm long barrel pointing horizontally. It fires a 9.00 g bullet which leaves the muzzle at a speed of 970 m/s. assuming the acceleration of the bullet down the length of the barrel to be constant, what horizontal force does the gun exert on the bench as it fires?
What does the term 'like dissolves like ' mean?
What is dry cleaning?
why the spin of electron is half ?
One of the standard experimental tests used in the study of fluid motion through porous materials consists of determining the displacement u when the material is given a constant load. The governing differential equation in this case is:


Boundary Conditions: du/dx = -1 at x=0 and u=0 as x --> infinite

Initial Condition: u=0 at t=0

a) What are the dimensions of the constant H?

b) Find the dimensionally reduced form for the solution and then use this to transform the above diffusion problem into one involving a nonlinear ordinary differential equation. Make sure to state what happens to the boundary and initial conditions. You do not need to solve this problem.
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i need manual solution algebra topology mankerez, how i find?
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I need manual solution for an introduction to riemannian Geometry Gudmundsson Sigmundur.
How can i find?
the function k(x,y)=e^(-y^2)cos(2x) has a critical point at (0,0). What is the value of D at this critical point?
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