Scientists make hypothesis in order to make an educated guess on the outcome of the experiment.
Answer:
C) 2 Na + 2 H2O → 2 NaOH + H2.
Explanation:
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In this case, according to the given chemical reactions, it is possible to firstly understand that a single displacement reaction is characterized by the presence of a single element as the first reactant and a compound as the second one, thus, yielding a compound as the first product and a single element as the second one.
In such a way, according to the given choices, it possible to note that C) 2 Na + 2 H2O → 2 NaOH + H2 is the only one with the aforementioned condition as the element at the reactants side is Na and at the products side is H2.
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An exemple of aluminium in its ore state is haemetite
Answer:
10.67 moles is the answers.hope it helped
Answer: The answer is B
Explanation: cause the bush and cactus are plants and they are living things and rat and snake are animal which is also living thing
