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zmey [24]
3 years ago
14

3. How do plants benefit from human respiration?

Chemistry
2 answers:
klasskru [66]3 years ago
8 0
The answer is C

Why:
A - this is natural
B - water is natural
D - this is also natural
C- this is right because when we breathe out we produce more carbon dioxide then we breathed in.
Ivan3 years ago
4 0
The answer is c because i think that
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Select the pair that has the larger atom or ion listed first.
Sedbober [7]

Answer:

Correc option: Br^- \, , Kr

Explanation:

size of atom : it says somthing about how many shell present in a particular atom or ion and it can also be evaluated on the basis of radius of atom.

Br^- and Kr has highest number of shell as compared to other group of species .

Na ,S , Mg ,P all are from 3rd period but Kr and Br^- in the 4th period so size of species of this group will more,

Size increases on increasring the shell number

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Which substance is not capable of acting as an arrhenius acid in aqueous solution
olga2289 [7]

Answer:

SO3 2- which is sulfite

i have to put this because it doesnt let me send the answer like that :)

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3 years ago
Hydrogen containing all compounds are not acts as acids. Why?
Elodia [21]

Answer:

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Explanation:

Acid = solution that split to H+ or H3O+ pH <7

The compound that can't split to H+ doesn't act as acid.

6 0
3 years ago
What would be the mass number of an atom with an atomic mass of 56.23 amu?
OlgaM077 [116]

Answer:

26

Explanation:

26 because if you split 56.23 in half you get 26

8 0
2 years ago
Chemical Name for Rb2S
Westkost [7]

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Rubidium Sulfide

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The chemical name for Rb2S is Rubidium Sulfide

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