Ideal gasses

Q: What piece of laboratory equipment is best-suited for accurately measuring the volume of a liquid?

(a) :  graduated cylinder
(b) :  beaker
(c) :  Erlenmeyer flask.
(d) :  more than one of the above.
(e) :  None of the Above
Answer:  graduated cylinder
Explanation:  

Q: Why doesn't water conduct electricity well?

(a) :  Huh? Water is an excellent conductor of electricity!
(b) :  Pure water contains very few ions.
(c) :  The hydrogen bonding in water cause the molecules to move slowly from one place to another.
(d) :  None of the above is correct.
(e) :  None of the Above
Answer:  Pure water contains very few ions.
Explanation:  

Q: What's the concentration of Ag+ion in a saturate silver chloride solution? Ksp =1.56x 10-10

(a) :  1.25 x 10-5 M
(b) :  4.90 M
(c) :  3.39 x 10-4 M
(d) :  none of these
(e) :  None of the Above
Answer:  1.25 x 10-5 M
Explanation:  

Q: Orbitals hold:

(a) :  A maximum of one electron each
(b) :  A maximum of two electrons each
(c) :  A numberof electrons that depends on the energy level.
(d) :  A number of electrons that depends on the type of orbital.
(e) :  None of the Above
Answer:  A maximum of two electrons each
Explanation:  

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