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3 years ago

How did Wegener explain why fossils of land animals were found on continents that are across oceans from one another?

Chemistry

2 answers:

slamgirl [31]3 years ago

8 0

He explained that with continental drift

levacccp [35]3 years ago

5 0

Answer:

Alfred Wegener gave the continental drift theory. On the basis of his theory, the world was a solitary compressed protocontinent at the beginning, which afterward got drifted away into distinct continents as seen today. He named this protocontinent as Pangaea that means all the lands. In order to support this theory, he further stated that a land bridge once prevailed between Africa and Brazil, and thus, one can witness identical fossilized animals and plants in the two parts of the planet.

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If the theoretical yield of RX is 56.0 g , what is it’s percent yield ?b

Angelina_Jolie [31]

the theoretical yield which is the expected yield and the actual yield obtained are not always the same. therefore percent yield is calculated which shows how much of the percentage of the theoretical yield is actually obtained.
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3 years ago

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What is the empirical formula of a compound that is 41.4% Strontium, 13.24%

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Empirical Formula N2O6Sr Strontium Nitrate

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6 0

2 years ago

You made hypochlorous acid (HOCI) by mixing bleach (NaOCI) with:

Annette [7]

Answer: When bleach is mixed with water, it produces hypochlorous acid.

Explanation:

The chemical name for bleach is sodium hypochlorite. When this compound is reacted with water, it produces hypochlorous acid and sodium hydroxide.

The chemical equation for the reaction of sodium hypochlorite and water follows:

$NaOCl+H_2O\rightarrow HOCl+NaOH$

By Stoichiometry of the reaction:

1 mole of sodium hypochlorite reacts with 1 mole of water to produce 1 mole of hypochlorous acid and 1 mole of sodium hydroxide.

Hence, when bleach is mixed with water, it produces hypochlorous acid.

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3 years ago