1. Intro to General Chemistry

Significant Figures: Precision in Measurements

1. Intro to General Chemistry

Significant Figures: Precision in Measurements

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Significant Figures Precision Concept

Significant Figures Precision Example

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Precision, Accuracy, Measurement, and Significant Figures

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Precision, Accuracy, Measurement, and Significant Figures

Chemistry Lesson: Significant Digits & Measurements

Rounding and Order of Operations Used in Significant Figures

Accuracy and Precision in Measurements Explained

Precision And Significant Digits

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Multiple Choice

Read the length of the pencil to the correct number of significant figures.

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Multiple Choice

What is the correct reading for the liquid in the burette provided below?

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Multiple Choice

A student made the following measurements in lab.

Trial 1	2.125 g
Trial 2	2.123 g
Trial 3	2.127 g

Which of the following can be said for certain?

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Textbook Question

(a) What is the length of the pencil in the following figure if the ruler reads in centimeters? How many significant figures are there in this measurement?

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Textbook Question

(b) An automobile speedometer with circular scales reading both miles per hour and kilometers per hour is shown. What speed is indicated, in both units? How many significant figures are in the measurements?

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Textbook Question

Report the reading on the buret to the correct number of significant figures. (LO 1.15) (a) 1 mL (b) 1.4 mL (c) 1.40 mL (d) 1.400 mL

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Textbook Question

What is the temperature reading on the fol-lowing Celsius thermometer? How many sig-nificant figures do you have in your answer?

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Textbook Question

How many milliliters of water does the graduated cylinder in (a) contain, and how tall in centimeters is the paper clip in (b)? How many significant figures do you have in each answer?

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Textbook Question

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Textbook Question

An experimental procedure call for 250 mg of calcium car-bonate. The balance in the laboratory measures mass in grams and reads to four decimal places. Which reading on the bal-ance corresponds to 250 mg? (a) 0.0250 (b) 0.2500 (c) 0.0025

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Textbook Question

You have a graduated cylinder that contains a liquid (see photograph). Write the volume of the liquid, in milliliters, using the proper number of significant figures.

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Textbook Question

Read each measurement to the correct number of significant figures. Laboratory glassware should always be read from the bottom of the meniscus. Digital balances normally display mass to the correct number of significant figures for that particular balance.

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Open Question

Read the length of the metal bar with the correct number of significant figures.

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Open Question

Read the water level with the correct number of significant figures.

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Open Question

Which tool can be used to measure the volume of a liquid to one decimal place?

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Open Question

Significant figures are important because they indicate

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Open Question

The digits that are reported in an answer are called

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Open Question

The maximum number of significant digits is called the

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Open Question

If a measured quantity is written correctly, which digits are certain?

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Open Question

Which tool would you use to find the mass of a small amount of substance?

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Open Question

Which tool is most suitable for a chemist to measure the mass of a liquid?

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1. Intro to General Chemistry

Significant Figures: Precision in Measurements

Learn with Jules

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Practice this topic