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Rufina [12.5K]
3 years ago
12

Where are the rare earth metals located on the periodic table

Chemistry
1 answer:
maksim [4K]3 years ago
7 0
They are found in group 3 of the periodic table.
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Which of the following best describes AgCl
vagabundo [1.1K]

Answer: Where are the answers?

Explanation:

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A covalent bond is formed by the sharing of _______ between atoms, whereas an ionic bond is formed by the _______.
OleMash [197]
Electrons and electrons
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After a covalent bond has stabilized an atom, the atom will have
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<span>A full valence electron shell.</span>
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How many grams of NH3 can be produced from 12.0g of H2?
RSB [31]

Answer:

Balanced reaction:

3 H2 (g)  + N2 (g)  → 2 NH3 (g)

Use stoichiometry to convert g of H2 to g of NH3.  The process would be:

g H2 → mol H2 → mol NH3 → g NH3

12.0 g H2 x (1 mol H2 / 2.02 g H2) x (2 mol NH3 / 3 mol H2) x (17.03 g NH3 / 1 mol NH3) = 67.4 g NH3

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8 0
2 years ago
Based on these ideas, what are the pro's and con's for both Sexual Reproduction and Asexual reproduction?
Svetradugi [14.3K]
Asexual
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3. Can rapidly expand a population
Con:
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2. Lineages usually don't last longer than a couple thousand years

Sexual:
Pros:
1. Genetically unique- so more likely to create a "successful" offspring
2. Lineages more likely to last hundreds of thousands of years

Cons:
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2. STD's- easily to pass
3. need to find a mate or else won't be successful as an organism.

Hope this helps you.
6 0
3 years ago
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