Thursday
September 18, 2014

Homework Help: chemistry

Posted by marcus on Wednesday, November 14, 2012 at 10:08pm.

when Na compounds are heated, thy give off a light of 5890 A. If 1 x 10-4 mole of Na atoms each give off a photon of this wavelength, how many kilojoules of energy are given off?

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Chemistry - When an electron makes a transition from the n=3 to the n=2 hydrogen...
chemistry - if atoms give off light, why dont they glow?
Chemistry (Electrons in Atoms) - True or False. 1)Electrons give off light as ...
Chemistry - A ground state hydrogen atom absorbs a photon of light having a ...
chemistry - A ground state hydrogen atom absorbs a photon of light having a ...
Chemistry - A ground state hydrogen atom absorbs a photon of light having a ...
Chemistry (Electrons in Atoms) - The wavelength of visible light varies from 0....
Chemistry help - A ground state hydrogen atom absorbs a photon of light having a...
Chemistry - Sodium vapor lamps are often used in residential street lighting. ...
chem - A ground state hydrogen atom absorbs a photon of light having a ...

Search
Members