Ask a New Question

2H2+O2=2H2O H=-484KJ Which answer best

When hydrogen burns in air water is formed, the equation for this reaction is:2H2(g) +O2(g) -> 2H2O(g) delta H = -484kj A. Which
1. 1 answer
2. asked by Nania
3. 613 views
2H2+O2=2H2OH=-484KJ Which answer best describes the transfer of heat that occurs when 1.41 mol of H2 reacts with 0.671 mol of
1. 3 answers
2. asked by lex
3. 2,243 views
Which chemical equation below shows a balanced reaction that follows the law of conservation of matter?(1 point)Responses A. 2H2
1. 1 answer
2. 163 views
Which chemical equation below shows a balanced reaction that follows the law of conservation of matter?(1 point) Responses H2 +
1. 1 answer
2. 159 views
Which chemical equation below shows a balanced reaction that follows the law of conservation of matter?(1 point)Responses 2H2 +
1. 1 answer
2. 90 views
2NaHCO3 --- Na2CO3 + H2O + CO22Fe + 6 HCl -- 2 FeCl3 + 3H2 2HBr + Ca(OH)2 -- CaBr2 + 2H2O N2 + 3H -- 2NH3 2H2O -- 2H2O + O is
1. 0 answers
2. asked by Kelsey
3. 754 views
Which chemical equation below shows a balanced reaction that follows the law of conservation of matter?(1 point)Responses H2 +
1. 1 answer
2. asked by ANSWER CORRECTLY
3. 100 views
Which chemical equation below shows a balanced reaction that follows the law of conservation of matter?(1 point)Responses 2H2
1. 1 answer
2. asked by Demon
3. 94 views
Which chemical equation below shows a balanced reaction that follows the law of conservation of matter?(1 point)Responses H2 +
1. 1 answer
2. asked by @~@
3. 150 views
Which chemical equation below shows a balanced reaction that follows the law of conservation of matter?(1 point)Responses 2H2
1. 1 answer
2. 87 views