3 years ago

How long does primary succession take? ty sm ily

1 answer:

6 0

The process of primary sequencing can take hundreds, if not thousands of years. On the contrary, the process of second succession could re-establish the communities of ecological peaks in as little as 50 years.

Not from google thank me later

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3 years ago

How many grams of iron(II) chloride are needed to produce 44.3 g iron(II) phosphate in the presence of excess sodium phosphate?

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47.2 g

Explanation:

Let's consider the following double displacement reaction.

3 FeCl₂ + 2 Na₃PO₄ → Fe₃(PO₄)₂ + 6 NaCl

The molar mass of Fe₃(PO₄)₂ is 357.48 g/mol. The moles corresponding to 44.3 g are:

44.3 g × (1 mol / 357.48 g) = 0.124 mol

The molar ratio of Fe₃(PO₄)₂ to FeCl₂ is 1:3. The moles of FeCl₂ are:

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The molar mass of FeCl₂ is 126.75 g/mol. The mass of FeCl₂ is:

0.372 mol × (126.75 g/mol) = 47.2 g

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3 years ago

What does the symbol (s) represent when it is next to an atom?

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I hope that helps!! sorry if it dont!

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What is the best explanation of why the iron found in the inner core of the Earth remains in the solid state even though the tem

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