Purchase Solution

Why Low Pressure is Used in the Freeze-Drying Process

Not what you're looking for?

Ask Custom Question

Use Le Chatelier's principle to explain why low pressure is used in the freeze-drying process (for example, in making instant coffee).

Purchase this Solution
Solution Summary

Explanation of how Le Chatelier's Principle is useful in freeze-drying processes like making instant coffee.

Solution Preview

According to Le Chatlier's pronciple when a system in chemical equilibrium is disturbed by a change of temperature, pressure, or a concentration, the system shifts in a way that tends to nullify i.e neutrilize this change of ...

Purchase this Solution
Free BrainMass Quizzes
Periodic table

General Chemistry - Classification of Matter

This test will assess your knowledge on the classification of matter which includes elements, compounds and mixtures.

Functional groups in Organic Chemistry

You will be tested on the names of functional groups in Organic Chemistry. It is very important to know the functional groups to understand Organic reactions.

Match Elements with their Symbols

Elements are provided: choose the matching one- or two-letter symbol for each element.

Organic Chemistry Naming: Alkanes

This is a quiz which is designed to assist students with learning the nomenclature used to identify organic compounds. This quiz focuses on the organic compounds called Alkanes.

View More Free Quizzes
Related BrainMass Solutions

  • Le Chatelier's principle applied to freeze drying process

    17482 Le Chatelier's Principle Applied to Freeze Drying Process Use Le Chatelier's principle to explain why low pressure is used in the freeze-drying process, for example, in the making of instant coffee.

  • The Freeze Dried Coffee Process

    Freeze-drying, is the removal of water from food products by lowering their temperature under low pressure conditions.

  • Deep-Freezing and Freeze-Drying Preserve Microorganisms

    At deep-freezing the very low temperature is unable to support the normal metabolic activities. Hence, microorganism enter into dormant phase which is manifested usually in the form of some chemical changes or through the formation of spores.

  • Above-ground Treatment of Contaminated Groundwater

    Volatiles (like hydrocarbons) can often be driven off with heat and/or low pressure containment. If this is insufficient a miscible neutral solvent like glycerin or an alcohol could be used. Metals can usually be precipitated via chemical reaction.

  • What are some factors that influence soil formation?

    Chemical weathering is more prevalent in warm, moist regions because it is the process of breaking down rocks atom by atom. Water is the most active force in this process as it carries dissolved ions through the soil profile.

  • cellular respiration

    Where 273=standard temperature in K. and 760 is standard pressure in mmHg (Torr), calculate the rate of O2 consumption for normal and freeze-thawed lentils (consumption rate = slope of the line) at room temperature and pressure and then convert these

  • The drying rate

    Therefore, given the random numbers you supplied, the simulation is: Process 1: 4 minutes Process 2: 6 minutes Process 3: 7 minutes Process 4: 6 minutes Process 5: 3 minutes I hope this helps! The drying rate is used.

  • Transferred-In Costs, Weighted-Average, and FIFO Methods

    2) Assume that the FICO method is used for the Drying and Packaging Department.

  • The freezing process in lower vertebrates

    The crystallization process gives off heat, which is why we see this increase in temperature. The temperature of the frog is held at this value while intracellular ice slowly forms.

View More Related Solutions