The materials created from a chemical reaction are called
2 answers:
<u>Answer:</u> The chemical species formed in a chemical reaction are products.
<u>Explanation:</u>
In a chemical equation, the chemical species are called as reactants or products.
Reactants are defined as the chemical species that react in the reaction and are written on the left side of the reaction arrow.
Products are defined as the chemical species that are produced in the reaction and are written on the right side of the reaction arrow.
<u>For Example:</u> Formation of water from hydrogen and oxygen gases, the equation follows:
The chemical species are termed as reactants and
is termed as products.
Hence, the chemical species formed in a chemical reaction are products.
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7.91 g/ml is the density of the iron piece of 28.5 gms.
Explanation:
The density of a substance is defined as the volume it occupies. It tells the matter present in a substance.
The density is mass per unit volume and is denoted by p.
The formula for density is given by:
density (p) =
Data given is :
mass= 28.5 grams
V1 = 45.5 ml
V2= 49.1 ml
The initial volume of water was 45.5 ml, when iron piece of 28.5 grams was added the final volume was 49.1 ml.
Putting the values in the equation of density
p =
p = 7.91 g/ml
Since iron is a dense material it will occupy less volume