Question

1. Define the term density of a substance.
2. Name the S.I. unit of density. How is it related
to g cm 3
3. The density of brass is 8.4 g cm? What do you
mean by this statement ?​

Answer 1

Answer:

in simple =d=mass/volume

si kg/m3

Explanation:

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Answer 2

1: the density of any substance means the amount of substance in particular volume ,it can be calculated by dividing mass of substance by its volume , (NOTE: density of a particular material is same at a particular temperature and pressure irrespective of their weight ,shape ...etc

2 : the S.I unit of density is kg/m^3, to convert this to g/cm^3 convert each term to their respective term i.e , convert kg to gram and m^3 to cm^3 , now we know that 1kg = 1000g and 1m = 100cm , therefore after cubing on both sides 1m^3= 1000000cm^3
Now on dividing these you will get kg/m^3 = g/1000cm^3 , which means S.I unit x 1000 = CGS unit

3: the density of brass is 8.4 cm^3 which means that in 1cm^3 volume of brass have 8.4 g of brass in it .




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