Asked by Jake
Given:
H3PO4(aq) + 3 NaOH(aq) ¨ 3 H2O(l) + Na3PO4(aq)
ĢH = -166.5 kJ
What is the value for q (heat) if 4.00 g of NaOH reacts with an excess of H3PO4?
Please can you explain to me HOW to do this, not just give me an answer?
Thanks!
H3PO4(aq) + 3 NaOH(aq) ¨ 3 H2O(l) + Na3PO4(aq)
ĢH = -166.5 kJ
What is the value for q (heat) if 4.00 g of NaOH reacts with an excess of H3PO4?
Please can you explain to me HOW to do this, not just give me an answer?
Thanks!
Answers
Answered by
bobpursley
The heat of reaction has the wrong units...it should be -166.5kJ/MoleNa3PO4
So, the question is, the reaction calls for three moles (120g) of NaOH, so you will get 4/120 fraction of the heat of reaction.
So, the question is, the reaction calls for three moles (120g) of NaOH, so you will get 4/120 fraction of the heat of reaction.
Answered by
Jake
Given:
H3PO4(aq) + 3 NaOH(aq) yields 3 H2O(l) + Na3PO4(aq)
change in H = -166.5 kJ
What is the value for q (heat) if 4.00 g of NaOH reacts with an excess of H3PO4?
Please can you explain to me HOW to do this, not just give me an answer?
Thanks!
H3PO4(aq) + 3 NaOH(aq) yields 3 H2O(l) + Na3PO4(aq)
change in H = -166.5 kJ
What is the value for q (heat) if 4.00 g of NaOH reacts with an excess of H3PO4?
Please can you explain to me HOW to do this, not just give me an answer?
Thanks!
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