Ayanga

What are the good books to start learning quantum physics and astronomy?

I asked a question related to chemistry and it went to the category bellow,

Yahoo >ProductsYahoo Mail>Sending and Receiving Messages.

So the probability of getting a good answer is very low.It has been 15 hours and still i didn't get any answer.

I want to know how to change the question category.

 If Amal, Kamal, and Ramal work together, it takes two hours to paint one room.

When Amal works alone, he can paint the same room in 6 hours. When Kamal

works alone, he can paint the same room in 4 hours. Determine how long it would

take Ramal to paint the room on his own.

Do isotopes have same number of neucleons?

Sinhala is my native .I'm also good at English .I can understand a little Spanish and good at basic grammar but the vocabulary is not enough. I can read and write Hangul(Korean alphabet) and understand some phrases in Korean .And also read and write in Tamil which i can comprehend a little.

So what about you'll?  :)

I just want to know the gaseous products of this reaction .Does it only create CO2 or does it create both CO2 and O2