Homework Help: CHEMISTRY URGENT!

Posted by kikie on Sunday, February 3, 2013 at 2:02pm.

assume that 13.5g of AL react with HCl according to the following equation, at STP: Al(s) + HCl(aq) ---> AlCl3 + H2(g) Remember to balance the equation first.

a. how many moles of Al react?
b. how mang moles of H2 are produced?
c. how mang liters of H2 at STP are produced?

thank you :]

CHEMISTRY URGENT! - DrBob222, Sunday, February 3, 2013 at 2:17pm
So many concepts here. What is it you don't understand?
CHEMISTRY URGENT! - kikie, Sunday, February 3, 2013 at 2:36pm
everything my teacher didnt teach us
CHEMISTRY URGENT! - DrBob222, Sunday, February 3, 2013 at 2:53pm
C'mon. Get serious. If I don't know what you don't understand about this I can't help you. To start can you balance the equation? If so do so. If not why can't you. Go from there with the next thing you don't understand.
CHEMISTRY URGENT! - kikie, Sunday, February 3, 2013 at 3:29pm
actually i just need c
CHEMISTRY URGENT! - DrBob222, Sunday, February 3, 2013 at 4:04pm
In the future, if you will show what you can do and work through that, then ask your question, all of this preliminary stuff is not necessary.
Remember that a mole of any (ideal) gas will occupy 22.4 L at STP.
L H2 @ STP = mols H2 x 22.4 L/mol = ?.
CHEMISTRY URGENT! - angela, Sunday, February 3, 2013 at 5:18pm
how do yu se up the equation for this Q.??
CHEMISTRY URGENT! - DrBob222, Sunday, February 3, 2013 at 6:10pm
You didn't ask a question.

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