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blsea [12.9K]
3 years ago
7

A student combines 20.0 grams of hydrogen and 20.0 grams of oxygen in a reaction. According to the law of conservation of mass,

how many grams of water should be produced?
A)20.0grams B)40.0grams C)30.0grams D)10.0grams
Chemistry
2 answers:
lord [1]3 years ago
5 0

Answer:

10

Explanation:

jekas [21]3 years ago
4 0

Answer:

A)20.0grams

Explanation:

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13 minutes

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For the endothermic reaction to reach 0°C, it will take 13 minutes.

 Let us follow the process step by step;

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    Time                   temperature

     0 min                    26°C

      1 min                     24°C

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     3 min                      20°C

    4 min                       18°C

   5 min                        16°C

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     11 min                       4°C

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