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Ch.1 - Introduction: Matter, Energy, and Measurement
Brown - Chemistry: The Central Science 15th Edition
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Tutti i libri di testoBrown 15th EditionCh.1 - Introduction: Matter, Energy, and MeasurementProblema 25
Capitolo 1, Problema 25

For each of the following processes, would filtration, distillation, or chromatography be the most effective separation technique:
a. removing the pulp from freshly squeezed orange juice,
b. separating a food dye into its individual components,
c. desalinating seawater?

Guida verificata passo dopo passo
1
Identify the nature of the mixture in each process.
For process (a), consider the physical state and size of the pulp relative to the liquid.
For process (b), consider the need to separate components based on their different affinities or interactions.
For process (c), consider the need to separate dissolved salts from water.
Match each process with the most suitable separation technique based on the analysis.

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Filtration

Filtration is a separation technique that utilizes a porous barrier to separate solids from liquids or gases. It is effective for removing larger particles, such as pulp from liquids, by allowing the liquid to pass through while retaining the solid particles. This method is commonly used in various applications, including water purification and food processing.
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Percorso guidato
04:50
Filtration and Evaporation

Distillation

Distillation is a separation process that relies on differences in boiling points to separate components of a mixture. It involves heating a liquid to create vapor and then cooling the vapor to obtain a liquid. This technique is particularly useful for separating liquids from dissolved solids, such as desalinating seawater, where the goal is to remove salt and other impurities.
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Percorso guidato
12:45
Distillation and Floatation

Chromatography

Chromatography is a versatile separation technique that separates components of a mixture based on their movement through a stationary phase while being carried by a mobile phase. It is particularly effective for separating complex mixtures, such as food dyes, into their individual components. This method is widely used in analytical chemistry for purifying substances and analyzing mixtures.
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Percorso guidato
04:50
Chromatography
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