Question

Bijan wanted to find the destiny of a piece of metal. he weighed it. then he measured its volume by placing it in a measuring cylinder which was half-full of water.
Here are his measurements;
mass of metal= 196.0g
reading on measuring cylinder( water only)=45cm3
reading on measuring cylinder( water + metal)= 68cm3
a. Calculate the volume of the metal, in the space below.
b. Calculate the density of the metal, in the space below.
pls be serious with your answers and no spams

Answer 1

Answer:

a) Now,

{(water +metal) on measuring cylinder volume} -{(water) on measuring cylinder volume}=Volume of metal.

then,

(68 -45) centimeter cube=volume (of metal)

then,

volume(of metal)=23 centimeter cube.

b) We know that ,

density=mass÷volume.

then,

Density=196.0÷23 g/cm cube

=8.522 g/cm cube.[~ to 8.5217391304347].

Answer 2

Answer:

Step-by-step explanation:

Answer:

a) Now,

{(water +metal) on measuring cylinder volume} -{(water) on measuring cylinder volume}=Volume of metal.

then,

(68 -45) centimeter cube=volume (of metal)

then,

volume(of metal)=23 centimeter cube.

b) We know that ,

density=mass÷volume.

then,

Density=196.0÷23 g/cm cube

=8.522 g/cm cube.[~ to 8.5217391304347].