Chemistry precision and accuracy
[DOC File]germainium.net
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Accuracy is the ability of a measurement to match the actual value of the quantity being measured. If it is actually 34.0 °F outside and a temperature sensor reads 34.0 °F, then the sensor is accurate. Precision is an assessment of how . reproducible. a measurement is, and also the number of . significant figures
[DOC File]In this experiment, You will determine the volume of a ...
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Accuracy and Precision Lab Name _____ Block _____ Date _____ In this experiment, you will practice many of the measurement procedures and calculations that you will do later as you do chemistry labs. You will: Determine the volume of a liquid …
[DOC File]CHM 151LL: Density: Accuracy and Precision
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Accuracy versus Precision. Accuracy. is a measure of how close your measured value is to the correct value. For example, if a substance has a density of 1.23 g/mL and you measure its density to be 1.24 g/mL, then you were accurate. The difference between the experimentally measured value and the accepted value is very small. Precision
[DOC File]Accuracy and Precision Worksheet - Ms. Hall // 8-12 Science
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Chemistry: Block 3 Define: Accuracy: Precision: ACCURACY. HIGH LOW. Place 4 dots on each target with the appropriate level of accuracy and precision. HIGH. PRECISION. LOW. Block 3. Name: Date: Pd: Mark each set of numbers as having a high or low accuracy and precision. Ex: Object measured is 1.0 meter long
[DOC File]Chemistry Worksheet
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Precision vs. Accuracy. A student is given a rock that is known to have a mass of 436.8 grams. She measures the mass of the rock three different times with the following results: 460.9 g, 461.4g, 459.0 g. What can be said about her precision and accuracy? Explain. A student is given a cube of metal that is known to have a mass of 125.0 grams.
[DOC File]Errors and uncertainties in chemistry internal assessment
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(b) Accuracy and precision. Accuracy is how close a measured value is to the correct value, whereas precision indicates how many significant figures there are in a measurement. For example, a mercury thermometer could measure the normal boiling temperature of water as 99.5° C (±0.5° C) whereas a data probe recorded it as 98.15° C (±0.05° C).
[DOCX File]Northwest Primary Care New
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Precision (Na, K, Cl)---- > Sample type: serum. Number of levels: 2. Samples per level: 1 (one for each level)-will need two cups filled to rim. Runs per sample: 15. 1st Segment: 2. Assay status: Assayed. Level 1 concentration: (taken from QC package for each . analyte) Level 2 concentration: (taken from QC package for each . analyte) Method ...
[DOC File]Accuracy and Precision of Different Types of Glassware Lab
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PreLab: 1. Define Accuracy and Precision. 2. Write and analogy to remember each of the vocabulary words. Materials: Beaker, Erlenmeyer Flask, Graduated Cylinder, Reusable Plastic Cups, Triple Beam Balance. Procedure. Measure and record the mass of the three plastic cups. Measure 10 mL of water using the beaker. Pour into one of the plastic cups
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