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Jobisdone [24]
2 years ago
5

Some animals only have _______ cells

Chemistry
2 answers:
Karolina [17]2 years ago
5 0
An amoeba:))))))))))))
White raven [17]2 years ago
3 0

Answer:

Animals can have up to 40 trillion cells.

An amoeba (type of animal) has just one cell.

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2NO + 3MnO2 + 4H â 2NO3- + 3Mn2 + 2H2O For the above redox reaction, assign oxidation numbers and use them to identify the eleme
mixer [17]

Answer:

Manganese decreases from 4+ to 2+ (reduced and oxidizing agent) and nitrogen increases from 2+ to 5+ (oxidized and reducing agent).

Explanation:

Hello there!

In this case, according to the given redox reaction, we rewrite it as a convenient first step:

2NO + 3MnO_2 + 4H^+ \rightarrow 2NO_3^- + 3Mn^{2+} + 2H_2O

Next, we assign the oxidation numbers as follows:

2N^{2+}O^{2-} + 3Mn^{4+}O^{-2}_2 + 4H^+ \rightarrow 2(N^{5+}O^{2-}_3)^- + 3Mn^{2+} + 2H^+_2O^{2-}

Thus, we can see that both manganese and nitrogen undergo a change in their oxidation number, the former decreases from 4+ to 2+ (reduced and oxidizing agent) and the latter increases from 2+ to 5+ (oxidized and reducing agent).

Regards!

4 0
2 years ago
Help please thank you so muchhh
anzhelika [568]

  • <em>NH</em> <em> </em><em>at </em><em>5</em><em> </em><em>atm</em>

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3 years ago
What type of reaction is the decay of carbon-14
ivolga24 [154]
First order reaction ?

3 0
3 years ago
How many electron are in the outer shell of an neutral atom of 14 atomic number
Anon25 [30]
I think there is 4 electrons in the outer shell of 14 atomic number. If I'm wrong, know that I'm not very good.
5 0
3 years ago
What part of the atom determines if it will combine or break apart from other substances
enyata [817]

The combination of an atom with other atom is bonding. Or break apart from other substance is breaking of interaction.

The bonding or interaction (inter-atomic) are due orbitals and electrons present in these orbitals

The atom consists of

a) a central nucleus which has proton and neutrons: they do not take part in chemical reactions

b) the part other than nucleus which has shells, sub shells and orbitals

These orbitals have electrons.

So the outer part of nucleus takes part in any combination with other substance

7 0
3 years ago
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