A couple of Homework questions

Thread starter alexparker
Start date Mar 14, 2011
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Couple Homework

In summary, the top 5 most frequently asked questions about "A couple of Homework questions" are:1. How many questions are included in "A couple of Homework questions"?2. Are the questions from a specific subject or are they general knowledge questions?3. Can I get help with answering the questions or is it strictly for practice?4. Are the questions suitable for a certain grade level or are they appropriate for all ages?5. Are there any answer keys available for "A couple of Homework questions"?

Mar 14, 2011

alexparker

Calculate the force of attraction between a K+ and O2- ion whose centers are separated by a distance of 1.5nm

I think you use this equation Ea= -(A/r)
but I am not sure what A is

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Mar 14, 2011

Kuryakin

You need to use columb's law. Make sure you recognise the charges for each ion aren't equal.

What are the top 5 most frequently asked questions about "A couple of Homework questions"?

1. How many questions are included in "A couple of Homework questions"?
2. Are the questions from a specific subject or are they general knowledge questions?
3. Can I get help with answering the questions or is it strictly for practice?
4. Are the questions suitable for a certain grade level or are they appropriate for all ages?
5. Are there any answer keys available for "A couple of Homework questions"?