Do the standard states still hold when it operates?

In summary, the standard states refer to defined temperature and pressure conditions commonly used in scientific experiments, and they are still applicable regardless of the type of operation. These conditions provide a consistent baseline for comparison and can be adjusted for different types of operations. Not following the standard states can result in inaccurate results and there are exceptions to these conditions for certain experiments. It is important for scientists to carefully consider the appropriate standard states for their specific experiment.
  • #1
asdff529
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A voltaic cell is composed with reactants and products in their standard states.So when it operates,the concentration of all substance must change,it should no be hold.Am i right?
 
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  • #2
asdff529 said:
A voltaic cell is composed with reactants and products in their standard states.

While this statement can be right for some rare cases, in general most cells are not made with reactants in their standard state, quite the opposite. (Which actually answers your question, just not directly).
 

1. Do the standard states still hold when it operates?

Yes, the standard states (also known as standard conditions) refer to a set of defined temperature and pressure conditions that are commonly used in scientific experiments. They are generally considered to be 25 degrees Celsius and 1 atmosphere of pressure. These conditions are still applicable when conducting experiments, regardless of the type of operation being performed.

2. How do the standard states affect experimental results?

The standard states can have an impact on experimental results, as they provide a consistent baseline for comparison. By using the same set of conditions, scientists can ensure that their results are comparable with other studies and can be generalized to real-world situations.

3. Can the standard states be adjusted for different types of operations?

Yes, the standard states can be adjusted for different types of operations. For example, in chemical reactions, the standard states may be adjusted to reflect the concentration of reactants or the presence of a catalyst. In thermodynamic experiments, the standard states may be adjusted to account for changes in temperature or pressure.

4. What happens if the standard states are not followed?

If the standard states are not followed, it can lead to inaccurate or unreliable results. This is because the conditions under which the experiment is performed can have a significant impact on the outcome. Deviations from the standard states may also make it difficult to compare results with other studies or apply them to real-world scenarios.

5. Are there any exceptions to the standard states?

Yes, there are exceptions to the standard states. In some cases, different standard conditions may be used depending on the type of experiment being conducted. Additionally, some experiments may require specialized conditions that do not fall under the standard states. It is important for scientists to carefully consider the appropriate standard states for their specific experiment.

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