1.4 - Measurement in Chemistry (Review & Application)
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Practice Questions
Test your understanding with targeted questions
What is the SI unit for mass?
💡 Hint: Think about what we use to measure how much matter is in an object.
Define accuracy in your own words.
💡 Hint: Reflect on how you would check if something measures correctly.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the SI unit for temperature?
💡 Hint: Think about absolute zero when answering.
True or False: Precision refers to how close a measurement is to the true value.
💡 Hint: Reflect on the definitions of both terms.
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Challenge Problems
Push your limits with advanced challenges
An experiment requires measurements of volume where results are 45.0 mL, 45.2 mL, 44.9 mL. Calculate the average volume and discuss its accuracy and precision if the true volume is 45.1 mL.
💡 Hint: Calculate the mean first before evaluating.
You measure a piece of wire multiple times and get 0.0045 m, 0.00455 m, and 0.0045 m. Identify the significant figures for each measurement and discuss their precision.
💡 Hint: Focus on rules of significant figures.
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