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BARSIC [14]
3 years ago
8

The energy organisms need to live and grow first enters the ecosystem when

Chemistry
1 answer:
notka56 [123]3 years ago
5 0
The answer is A. Energy first enters an ecosystem through light energy that is absorbed through photo-synthesizers
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Does sodium satisfy the ostet rule?
Charra [1.4K]

Answer:

The rule is especially applicable to carbon, nitrogen, oxygen, and the halogens, but also to metals such as sodium or magnesium. ... All four of these electrons are counted in both the carbon octet and the oxygen octet, so that both atoms are considered to obey the octet rule.

8 0
3 years ago
Calculate the molarity of hydroxide ion in an aqueous solution that has a poh of 5.00
Simora [160]

Answer:

1.00 x 10^-5 M

Explanation:

pOH=-log[OH^-]

so

[OH^-]=10^(-pOH)

=10^-5

=1.00 x 10^-5 M

4 0
3 years ago
Help!
maks197457 [2]

Answer:

First 1-5 in pics

I can't upload further reactions

Explanation:

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6. Lucas test

ROH + Zncl2 +HCl ---> RCl + H2O

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3 0
2 years ago
What's the electron configuration of an N⁻³ ion
tatuchka [14]
The electronic configuration of n - 3 ion is [He] 2s2 2p3.
5 0
1 year ago
Which phase of matter does not change shape or volume? *
RideAnS [48]

Answer:

Solid is ur answer

Explanation:

Stay safe, stay healthy and blessed.

Have a great day !

Thank you

3 0
2 years ago
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