Ask a New Question

what is the heat release

Which of the following is a reliable way to observe that a chemical change has occurred when two substances come in contact with
1. 1 answer
2. asked by anoy
3. 69 views
Which of the following is a reliable way to observe that a chemical change has occurred when two substances come in contact with
1. 1 answer
2. asked by anoy
3. 73 views
Consider the following reaction.2Fe2O3 --> 4Fe+3O2 Hrxn=+824.2 The Formation of 21.0 of Fe results in 1)the release of 77.5 kJ
1. 1 answer
2. asked by Danny
3. 1,640 views
2Fe2O3 -> 4Fe+3O2 changeHrxn= +824.2 KJThe decomposition of 57.0 g of Fe2O3 results in The release of 23500 KJ of heat The
1. 4 answers
2. asked by Anonymous
3. 2,036 views
Consider the following reaction:2Fe2O3 --> 4Fe + 3O2 ∆Hrxn° = +824.2 kJ The decomposition of 29.0 g of Fe2O3 results in a.
1. 5 answers
2. asked by Anonymous
3. 26,586 views
Hydrogen is burned in oxygen to release heat. How many grams of hydrogen gas must be burned to release enough heat to warm a
1. 1 answer
2. asked by Lance
3. 1,197 views
QuestionWhich of the following is a reliable way to observe that a chemical change has occurred when two substances come in
1. 1 answer
2. 13 views
Why does deforestation contribute to climate change?%0D%0A%0D%0A(1 point)%0D%0AResponses%0D%0A%0D%0AChainsaws release gases that
1. 1 answer
2. asked by .....
3. 124 views
Identify the statement below that is true about exothermic reactions.(1 point)Responses They release heat energy to the
1. 1 answer
2. 29 views
Identify the statement below that is true about exothermic reactions.(1 point)Responses They release heat energy to the
1. 1 answer
2. 12 views