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SSSSS [86.1K]
3 years ago
13

The path that energy and nutrients follow in an ecosystem is called a(n)_____

Chemistry
1 answer:
amm18123 years ago
5 0
I believe it's food chain, and this should be a biology question, not chemistry 
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Which physical method can be used for obtaining a sample of salt from a small beaker of salt water?
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The answer is evaporation<span>.Evaporation is the vaporization of the liquid from its surface into gaseous phase, without boiling the liquid. When all the liquid has passed to gaseous phase the salt dissolved in the salt water will remain as solid crystals.</span><span />
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3 years ago
What is a neutralisation reaction? Give two examples.
ozzi

Explanation:

A neutralization is a type of double replacement reaction. a salt is the product of an acid-base reaction and is a much broader term then common table salt.

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(ii) H2SO4 + 2NH4OH ---> (NH4)2SO4 + 2HOH.

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solniwko [45]

Answer:

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7 0
4 years ago
Explain why the structure of Copper [ 1s², 2s², 2p⁶, 3s², 3p⁶, 3d¹⁰,4s¹] is more stable than [ 1s², 2s², 2p⁶, 3s, 3p²⁶, 3d⁹,4s²
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A subshell which is 100% full or 50% full is more stable than subshells which are partially filled with a number of electrons less than or greater than half the number of electrons which can be held by the subshell.

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