hypothesis definition in chemistry

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A hypothesis is a testable statement that predicts the relationship between variables. It serves as a foundational step in the scientific method, guiding experimental design and data analysis.

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5 Must Know Facts For Your Next Test

• Hypotheses must be testable and falsifiable to be scientifically valid.
• In chemistry, hypotheses often predict how changes in one variable will affect another, such as temperature changes affecting reaction rates.
• Developing a good hypothesis involves extensive background research and understanding of the existing literature.
• A hypothesis is typically framed as an 'if-then' statement to clearly define expected outcomes.
• The results of experiments either support or refute the hypothesis but do not prove it definitively.

Review Questions

• What are the key characteristics that make a hypothesis scientifically valid?
• How does a hypothesis guide the design of an experiment in chemistry?
• Why can a hypothesis never be proven definitively, only supported or refuted?

Related terms

A systematic process used for investigating phenomena, acquiring new knowledge, or correcting previous knowledge through observation and experimentation.

Variable : Any factor, trait, or condition that can exist in differing amounts or types within an experiment. Variables can be independent, dependent, or controlled.

Experiment : A procedure carried out under controlled conditions to test a hypothesis by collecting data and observing outcomes.

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