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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 answer
asked by
anoy
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Which of the following is a reliable way to observe that a chemical change has occurred when two substances come in contact with
1 answer
asked by
anoy
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
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asked by
Danny
1,640 views
2Fe2O3 -> 4Fe+3O2 changeHrxn= +824.2 KJ
The decomposition of 57.0 g of Fe2O3 results in The release of 23500 KJ of heat The
4 answers
asked by
Anonymous
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.
5 answers
asked by
Anonymous
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
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asked by
Lance
1,197 views
Question
Which of the following is a reliable way to observe that a chemical change has occurred when two substances come in
1 answer
13 views
Why does deforestation contribute to climate change?%0D%0A%0D%0A(1 point)%0D%0AResponses%0D%0A%0D%0AChainsaws release gases that
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.....
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Identify the statement below that is true about exothermic reactions.(1 point)
Responses They release heat energy to the
1 answer
29 views
Identify the statement below that is true about exothermic reactions.(1 point)
Responses They release heat energy to the
1 answer
12 views