Introductory Chemistry For Today
Introductory Chemistry For Today
8th Edition
ISBN: 9781285644561
Author: Seager
Publisher: Cengage
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A zinc cylinder gas a diameter of 2.500cm, as measured using caliper. The cylinder is then soaked in acid, reducing its diameter to 2.1cm, as measured with ruler. Choose the value that expresses the change in the cylinder diameter using the correct number of significant figures. A 0.400cm B. 0.40 cm C.0.4cm D.4.6cm D. 4.6
A. The Internal System of Units Fill in the space provided with the correct SI units and symbol for each quantity. Quantity Unit Symbol Length Mass Time Electric current Temperature Amount of substance Luminous intensity B. The Metric System Convert the following figures to its desired units. Do not round off your answers. 1. 23 m to 2. 76 L to 3. 93.2 mg to 4. 83.34 dL to 5. 94.1 Dm to 6. 12 cm to 7. 164,000 ml to 8. 454 g to 9. 1,232 kg to 10. 672 L to km DL Hg mm mg m kL
6. Define accuracy. Give the equation used to determine the accuracy of a measurement. 7. Define precision. Give the equation used to determine the precision of a measurement.
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Measurement and Significant Figures; Author: Professor Dave Explains;https://www.youtube.com/watch?v=Gn97hpEkTiM;License: Standard YouTube License, CC-BY
Trigonometry: Radians & Degrees (Section 3.2); Author: Math TV with Professor V;https://www.youtube.com/watch?v=U5a9e1J_V1Y;License: Standard YouTube License, CC-BY