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sertanlavr [38]
3 years ago
14

If a chemical reaction such as the formation of iron oxide contains 4 atoms of iron (fe) in the product how many atoms of iron (

fe) would be in the reactants ?
Chemistry
2 answers:
Dmitry [639]3 years ago
5 0

Answer:

your in k12 science the eog #4

Explanation:

inessss [21]3 years ago
4 0
4. Number of atoms are conserved in chemical reactions
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Rutherfordium has atomic number of 84 how many protons and electrons does it have
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How many grams of hydrogen are produced when 125 g of iron reacts with 125 g of water?
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A cube with edge = 1.00” of an unknown pure substance has a mas off 10.0 oz. what is the density of this substance in g/mL? In k
shepuryov [24]

Answer 1) The density of the cube is found to be 17.30 g/mL

Given the edge that is 1 inch, so to convert it into cc which will be;

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The formula is Mass = Density / Volume


Substituting; 

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Answer 2) The density of cube should be 1.738 Kg/L

The same process of conversion can be followed,

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On solving with the equation of Mass = Density /  Volume;

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Which is an example of a mixture?
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