In a molecule of water, how many electrons are shared between each hydrogen atom and an oxygen atom? A. One B. Two C. Four
2 answers:
solution:
answer is two
explanation:
In sharing of electrons in the equation water each carbon atom and hydrogen atom share its one electron from its outermost orbit.
since carbon has seven electrons in its outermost orbit and it wants to get one electron to complete its octet.
while hydrogen atoms has one electron to its outermost orbit and it needs one electron to complete its duet.
similarly
second hydrogen atom do as the shame process as it also share one electron to carbon to complete its duet.
after the sharing of electrons both the atoms form molecule water which is stable.
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Answer:
A solution that is 0.10 M HCN and 0.10 M LiCN
Explanation:
- A good buffer system contains a weak acid and its salt or a weak base and its salt.
- In this case; A solution that is 0.10 M HCN and 0.10 M LiCN, would make a good buffer system.
- HCN is a weak acid, while LiCN is a salt of the weak acid, that is, CN- conjugate of the acid.
Answer:
C
Explanation:
Cyclohexane is a cycloalkane with the molecular formula C₆H₁₂. Cyclohexane is non-polar.
The answer should be "by convection" not by radiation.
I believe it is convection
