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Aliun [14]
3 years ago
5

Atom A has five protons, four neutrons, and five electrons. Atom

Chemistry
1 answer:
Anna35 [415]3 years ago
6 0

Answer:

they are the same element because they have the same number of protons and electrons,but a different number of neutrons

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sodium hydroxide and hydrochloric acid is the reactants

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Which of the following natural resources cant be reused
ohaa [14]
Hi there! Air and sunlight can definitely be reused. Those are abundant and renewable resources. Therefore, A and D are eliminated. There is a limited amount of water, however, it's impossible to run out of it to the point that there's no more on Earth. C is out. The only answer choice that makes sense is coal, because it's a nonrenewable resource, and it takes millions of years to make more of. It's a fossil fuel, so once we use them up, we can't get anymore during our lives. The answer is B: coal.
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A temperature of 37C is equivalent to a temperature of
ss7ja [257]
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8 0
3 years ago
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The equations given in the problem introduction can be added together to give the following reaction: overall: N2O4→2NO2 However
Murljashka [212]

Answer:

Reverse the 2 NO_2 \longrightarrow 2 NO + O_2  reaction

Explanation:

Reactions:

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N_2O_4 \longrightarrow 2 NO + O_2

Overall:

N_2O_4 \longrightarrow 2 NO_2

As can be seen, in the overall reaction we have N_2O_4 in the reactants like in the second reaction and NO_2 in the products. The NO_2 is in the first reaction but as a reactant so we need to reverse that reaction:

2 NO + O_2 \longrightarrow 2 NO_2

N_2O_4 \longrightarrow 2 NO + O_2

Combining:

N_2O_4 + 2 NO + O_2\longrightarrow 2 NO + O_2 + 2 NO_2

N_2O_4 \longrightarrow 2 NO_2

4 0
3 years ago
The + symbol, on the products side, in a chemical equation means
malfutka [58]

Explanation:

Used to separate one reactant or product from another

If it's helpful ❤❤

THANK YOU

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3 years ago
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