american history
did america have more then one civil war?
american history
whats a carpetbagger?
american history
What were 10 problems facing america after the civil war and why were they problems?
math
thankx alot for the answer, but i got the same equation and can not factor it.
math
you want to make an open-topped box from a 20 cm by 20 cm piece of cardboard by cutting out equal squares from the corners and folding up the flaps to make the sides. what are the dimensions of each square, to the nearest hundredth of a cm, so that the volume of the resulting ...
Chem help
I have the answers for these but can you please explain to me how to get them? Thanks. Place the following in order of decreasing lattice energy. KBr RbI MgS a. KBr > RbI > MgS b. KBr > MgS > RbI c. RbI > KBr > MgS d. MgS > KBr > RbI e. MgS > RbI >...
Chem Urgency
Is it possible to determine resonance structures.....or no? I understand what it is but I am not sure how the drawings come about or even how to recognize them.
Chem ques.
thanks
Chem ques.
How do I know if a molecule is polar or nonpolar?
CHEM HELP
I mean how many electron groups to determine the shape of it...VSEPR
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