In this experiment, you will measure mass and volume of various sport balls, both regularly shaped ball and irregularly shaped.
2 answers:
Answer: Density can be measured using mass and volume.
Explanation:
Mass is defined as the actual matter which an object comprises.
Volume is defined as the amount of space occupied by the object measured in cubic units.
The relation between these two quantities defines a property which is known as density.
Density is the ratio of an object's mass to its volume. The S.I. unit for this property is . It can also be expressed in
Mathematically,
...(1)
Question related to this topic: A rock of mass 45 grams has a volume of . Determine the density of the given rock.
Answer: We are given
Mass of the rock = 45 g
Volume of the rock =
Putting values in equation 1, we get:
From the above example, we conclude that mass and volume are related to determine density of any object.
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Answer:
Explanation:
A single displacement reaction is one in which a more reactive element displaces a less reactive element from its salt solution. Thus one element should be different from another element.
Synthesis reaction is defined as the reaction where substances combine in their elemental state to form a single compound.
Decomposition reaction is defined as the reaction where a single substance breaks down into two or more simpler substances.
Combustion is a type of chemical reaction in which hydrocarbons burn in the presence of oxygen to form carbon dioxide and water along with heat.
The percent by mass of calcium hydroxide in the solution : 15.41%
<h3>Further explanation</h3>The concentration of a substance can be expressed in several quantities such as moles, percent (%) weight/volume,), molarity, molality, parts per million (ppm) or mole fraction. The concentration shows the amount of solute in a unit of the amount of solvent.
Mass of solute (Ca(OH₂-Calcium hydroxide) : 28.5
Mass of solution = 185 g