What type of savings bonds are the best to buy?

June 5th, 2010
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Jay B asked:

I looked into the treasury direct website and I see that the I-Bonds have a 4.84% interest rate, this seems like a good rate. Is this the best type of bond I can purchase, if not which one is best and why. I will choose best answer for the best explanation.

convertible bonds

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Posted in Investing | No Comments »

How do you identify the bonds in hydrocarbons?

June 1st, 2010
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Jada asked:

Imagine that you are working in a lab, and you find four bottles containing hydrocarbons in the chemical storage cabinet. Outline the step-by-step procedure you would follow to identify which unknown samples have a multiple bond and which have all single bonds.

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Posted in Chemistry | 1 Comment »

How do you count pi bonds on ring structures?

May 27th, 2010
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Journey asked:

My teacher has given us several ring compounds and we have to determine the number of pi bonds. One ring has two double bonds and within the ring there are an oxygen with two lone pairs and a nitrogen with one lone pair. Oxygen is attached by single bonds on the ring while nitrogen is a attached by one single bond and one double bond. Does that make any sense? So its a cyclopentene but two of the carbons have been switched out with an oxygen and a nitrogen. Please HELP!

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Posted in Chemistry | 1 Comment »

How to figure which bonds are more polar than others?

May 21st, 2010
IAA asked:

One of my homework questions is that i have to put the bonds C-l, C-H, C-Cl, C-O, C-F, C-Br in order of polarity with the most polar bond.

Im having a bit of difficulty figuring out what rule to use for this. I have a table of electronegativity values and began by finding the difference between the electronegativty values of the elements in the bonds but i have the answers and this method is wrong. Any help please?

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Posted in Chemistry | 3 Comments »

How should I start investing in bonds, or buy company shares?

May 20th, 2010
Smiley asked:

I’m planning to invest in bonds/stocks, and purchase company shares. Can anyone help me how can I get started. I want to invest in bonds that is 1 year or more. Thanks!

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Posted in Investing | 5 Comments »

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