1. A 1x10-5 m³ sample of copper has a mass of 89.6g. What is the density of copper in kg/m³? 2. Silver and gold has a density of 10.5 g/cm³ and 19.3 g/cm3, respectively. Which would have a lesser mass, 5 cm³ Ag or 5 cm³ Au?
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.
![Solve the following problems using the density formulas
(".
1. A 1x10-5 m³ sample of copper has a mass of 89.6g.
What is the density of copper in kg/m³?
2. Silver and gold has a density of 10.5 g/cm³ and 19.3
g/cm³, respectively. Which would have a lesser mass, 5
cm³ Ag or 5 cm³ Au?
3. A sample of iron has the dimensions of 2.0 cm x 3.0
cm x 2.0 cm. If the mass of this rectangular-shaped
object is 0.094 kg.
a. Find the volume of the sample in m3
b. Calculate the density of iron in kg/m3](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F0685f8f4-4062-4d5b-8aa1-43fd6f7d1cfb%2Ffac91943-852d-4e25-8ea0-86a232822348%2Ftw4wobf_processed.jpeg&w=3840&q=75)
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