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2H2+O2 -> 2H20 changeHrxn=-484 KJ

2H2+O2 -> 2H20 changeHrxn=-484 KJWhich answer best describes the transfer heat that occurs when 1.30 mol of H2 reacts? 629 KJ
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2. asked by Anonymous
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Which chemical equation is balanced?1. H20 H 2 + 20 2 2. 2H20 2H2 +0 2 3. 2H20 H2 + 20 2 4. H2O 2H2 + 20 2 Im super confused...
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2. asked by Amy
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Which chemical equation below shows a balanced reaction that follows the law of conservation of matter? (1 point)2H2 + 202 →
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C2H2(g)+ 402(g)+2CO2(g)+2H20(g)Fe(OH)3 (s) + H3PO4(aq) -+ FePO4(s) + 3H2O (1) 2HCl(aq) +Cr(s) -+ CrCl2(aq) + H2 (g) None of the
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2. 69 views
Which reaction is a single replacement reaction?2H202 → 2H20 + 02 • 2H2 + 02 → 2H20 • KOH + HCI → KCI + H20 • Cu +
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In the reaction2H20(aq) --> O2(g) + 2H20(l) why doesn't increasing the pressure of oxygen have any effect on the reaction rate?
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2. asked by Fiona
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What is the theoretical yield of calcium carbonate if 2.97 grams of calcium chloride dihydrate reacts with excess sodium
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2. asked by Bob
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A chemist wants to extract the gold from 15.0g of gold(II) chloride dihydrate, AuCl3 x 2H20, What mass of gold could be obtained
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2. asked by Anonymous
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Predict the standard cell potential and calculate the standard reaction Gibbs free energy for galvanic cells having the
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2. asked by Anonymous
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when you have your 4 different equations to form 4 different possible equations, what two equations do you use for water,O2(aq)
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2. asked by Sienna
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