Domanda del libro di testo
Use the prefix multipliers to express each measurement without exponents. b. 11 * 10 - 12 s
Ch.1 - Matter, Measurement & Problem Solving
Tro6th EditionChemistry: A Molecular ApproachISBN: 9780137832217
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TOC.tableOfContents
- Ch.1 - Matter, Measurement & Problem Solving118
- Ch.2 - Atoms & Elements106
- Ch.3 - Molecules and Compounds131
- Ch.4 - Chemical Reactions and Chemical Quantities56
- Ch.5 - Introduction to Solutions and Aqueous Solutions82
- Ch.6 - Gases114
- Ch.7 - Thermochemistry96
- Ch.8 - The Quantum-Mechanical Model of the Atom60
- Ch.9 - Periodic Properties of the Elements90
- Ch.10 - Chemical Bonding I: The Lewis Model89
- Ch.11 - Chemical Bonding II: Molecular Shapes, VSEPR & MO Theory85
- Ch.12 - Liquids, Solids & Intermolecular Forces51
- Ch.13 - Solids & Modern Materials47
- Ch.14 - Solutions90
- Ch.15 - Chemical Kinetics115
- Ch.16 - Chemical Equilibrium68
- Ch.17 - Acids and Bases136
- Ch.18 - Aqueous Ionic Equilibrium153
- Ch.19 - Free Energy & Thermodynamics93
- Ch.20 - Electrochemistry106
- Ch.21 - Radioactivity & Nuclear Chemistry74
- Ch.22 - Organic Chemistry140
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Capitolo 1, Problema 58a
Use prefix multipliers to express each measurement without exponents. a. 12.1 * 108 g
Guida verificata passo dopo passo1
Identify the given value and the unit: The given value is 12.1 × 10⁸ g. The goal is to rewrite this value using a prefix multiplier without exponents.
Recall the SI prefix multipliers and their corresponding powers of 10. For example, kilo (k) = 10³, mega (M) = 10⁶, giga (G) = 10⁹, etc.
Determine the appropriate prefix multiplier for the given exponent. Since the exponent is 10⁸, the closest prefix multiplier is mega (M), which corresponds to 10⁶.
Rewrite the value by factoring out 10⁶ from 10⁸. This means dividing 10⁸ by 10⁶, leaving 10². The value becomes 12.1 × 10² M (megagrams).
Simplify the expression further by multiplying 12.1 by 10² to eliminate the exponent. The final result will be expressed in megagrams (Mg) without exponents.
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Scientific Notation
Scientific notation is a way of expressing numbers that are too large or too small to be conveniently written in decimal form. It involves writing a number as a product of a coefficient (between 1 and 10) and a power of ten. For example, 12.1 * 10^8 can be expressed as 1.21 * 10^9, which simplifies calculations and comparisons.
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Percorso guidato
02:50
Standard Notation to Scientific Notation
Metric Prefixes
Metric prefixes are used to denote specific powers of ten in the metric system, allowing for easier communication of measurements. Common prefixes include kilo- (10^3), mega- (10^6), and giga- (10^9). By converting a measurement into a form that uses these prefixes, one can express large quantities in a more manageable way, such as converting grams to kilograms.
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Percorso guidato
01:16Metric Prefixes Usage
Unit Conversion
Unit conversion is the process of converting a quantity expressed in one unit to another unit. This is essential in chemistry for ensuring that measurements are in compatible units for calculations. For example, converting grams to kilograms involves dividing by 1000, which is crucial when using metric prefixes to express measurements without exponents.
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Percorso guidato
01:56Conversion Factors
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