You have two objects made of the same substance. Object 1 is a cube with a mass of 375.5 g. You measure the side of the cube using a ruler and find it to be 3.17 cm. Object 2 is a sphere with a mass of 187.8 g. You find the volume of the sphere using water displacement. The volume of the water in a graduated cylinder initially is 120.0 mL, and when the sphere is added the new volume is 135.8 mL. a. Determine the volume of Object 1, in cm³, using the length of the side. b. calculate the density of object 1 in g/cm3, using this volume c. determine the volume of object 2, in mL, from the water displacement data d. calculate the density in g/mL of object 2 using this volume
States of Matter
The substance that constitutes everything in the universe is known as matter. Matter comprises atoms which in turn are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction, namely solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates).
Chemical Reactions and Equations
When a chemical species is transformed into another chemical species it is said to have undergone a chemical reaction. It consists of breaking existing bonds and forming new bonds by changing the position of electrons. These reactions are best explained using a chemical equation.
You have two objects made of the same substance. Object 1 is a cube with a mass of 375.5 g. You measure the side of the cube using a ruler and find it to be 3.17 cm. Object 2 is a sphere with a mass of 187.8 g. You find the volume of the sphere using water displacement. The volume of the water in a graduated cylinder initially is 120.0 mL, and when the sphere is added the new volume is 135.8 mL.
a. Determine the volume of Object 1, in cm³, using the length of the side.
b. calculate the density of object 1 in g/cm3, using this volume
c. determine the volume of object 2, in mL, from the water displacement data
d. calculate the density in g/mL of object 2 using this volume
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