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beks73 [17]
3 years ago
7

In the chemical reaction: 2 h 2 (g) o2 (g) → 2 h2o (g), with 8 grams of h 2 (2 grams/mole) and 16 grams of o2 (32 grams/mole) an

d the reaction goes to completion, what is the excess reactant and how much of that would remain

Chemistry
1 answer:
Shtirlitz [24]3 years ago
8 0
Use stoichiometric ratio to determine which is in excess and which is limiting

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The bonds that hold the atoms of the reactants are broken down and rearranged, creating entirely new substances as products. Therefore, energy must be added and/or evolved in any chemical reaction and all reactant atoms should be involved in the reaction.

The change in energy can be sensed as heat change such as increase or decrease in the temperature of the products

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