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Alexandra [31]
2 years ago
13

The diagram below shows changes to the nucleus of an atom.

Chemistry
2 answers:
anzhelika [568]2 years ago
8 0

Answer:

maybe 1 or 3 im not sure

Explanation:

i didn't study it yet sorry for not helping but try asking someone else

rodikova [14]2 years ago
7 0
1. Energy is released as a result of atomic fission
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How many grams of iron are needed to produce 75.0 g of iron(III) chloride?
OleMash [197]

Answer:

Explanation:

Hello!

In this case, given the chemical reaction:

In such a way, given the volumes and molarities of each reactant, we can compute the moles of produced iron (III) hydroxide by each of them, via the 3:1 and 1:1 mole ratios:

It means that the sodium hydroxide is the limiting reactant and 0.00833 moles of iron (III) hydroxide are produced; thus, the required mass is:

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3 years ago
Is a ph = 7.00 solution acidic, basic, or neutral at 37 °c?
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How many protons, neutrons, and electrons are in a silver atom, with a mass number of 108?
sukhopar [10]
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2 years ago
What must happen for heat to be transferred by thermal conduction?
zaharov [31]

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5 0
3 years ago
Read 2 more answers
EL hidroxido de sodio reacciona con el sulfato de hierro (II) para formar sulfato de sdio e hidroxido ferroso. Si se hace reacci
Oduvanchick [21]

Answer:

280.8 g

Explanation:

Definimos la reaccion:

2NaOH +  FeSO₄  →  Na₂SO₄  +  Fe(OH)₂

Como tenemos la masa de NaOH, asumimos que el sulfato de hierro (II) es el reactivo en exceso.

Definimos masa de reactivo: 250 g . 1mol / 40g = 6.25 mol

2 moles de NaOH producen 1 mol de hidroxido ferroso

Entonces 6.25 moles producirán, la mitad (6.25  . 1) /2 = 3.125 moles

Convertimos los moles a masa:

3.125 mol . 89.85 g/mol = 280.8 g

7 0
2 years ago
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