Total # Posts: 9
2H2S + 3O2 → 2H2O +2SO2 given the balanced equation, if 4 moles of hydrogen sulfide react: How many moles of oxygen consumed? How many moles of water and sulfur dioxide are produced?
May 21, 2012
I want to substitude the ray optics analysis with what are the resultant waves that happen. I say "resultant" because many waves that would exist if they were alone, as they are not alone, after their superposition with the other waves become some resultant waves ...
May 13, 2011
I have a problem and I would like to know how to work out the problem to get the answer. Write an algebraic expression for each phrase product of m and n -2 What are the steps in working this out?
October 27, 2009
Chemistry - Equations
I am a student in the ninth grade and I need help with the following problems because I do not understand how to do them. I appreciate your help and thanks once again. 7. in 2CO(grams) + O2(grams) => 2CO2(grams), what is the ratio of moles of oxygen used to moles of CO2? 9...
January 31, 2008