dragador7601
06.11.2019 •
Chemistry
Which of the following would most practically be studied by use of a model? the global movement of ocean water. the veins of a leaf. the parts that make up a can opener. the inside of a light bulb.
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Ответ:
This is because a model is easily obtainable and will not be different at all from the actual working object.
Ответ:
1. D 2. C 3. B
Explanation:
1. The product is always what is being yielded from the equation, or what is created. Since both 4H2O and 3CO2 are created from the reactants, they are both products of the reaction.
2. The Law of Conservation of Matter states that matter cannot be created, nor destroyed. Therefore, C is not true because new atoms cannot be created in a reaction.
3. The second formula is balanced, but the first is not