BTEC HND Level 4 Unit 9 Physical Chemistry Assignment Sample UK

Course: Pearson BTEC Levels 4 and 5 Higher Nationals in Applied Sciences

The BTEC HND Level 4 unit 9 physical chemistry has been designed to provide you with the opportunity to study the principles of physical chemistry and their applications in a range of contexts. You will develop an understanding of fundamental ideas relating to thermodynamics, chemical kinetics, and quantum mechanics, which will enable you to apply these concepts to problems in a variety of scenarios.

The unit will also develop your practical skills in analytical techniques and data analysis. In order to complete this unit successfully, you will need to have a good working knowledge of mathematics. This assignment will provide you with the opportunity to demonstrate your understanding of some aspects of physical chemistry.

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We are discussing some assignment briefs in this unit. These are:

Assignment brief 1: Apply the first, second, and third laws of thermodynamics to predict the feasibility of reactions.

The first law of thermodynamics is a statement of conservation of energy: Energy cannot be created or destroyed, only changed from one form to another. The second law of thermodynamics states that entropy (a measure of disorder) always increases in any closed system. And the third law of thermodynamics states that as the absolute temperature approaches zero, entropy approaches a maximum value.

Based on these three laws, we can predict that certain reactions are not feasible because they violate either the first or second law of thermodynamics. For example, it’s not possible to create a perpetual motion machine because it would require violating the first law of thermodynamics. Similarly, it’s not possible to convert all the atoms in a room into gold because that would require violating the second law of thermodynamics.

In this assignment, you will need to apply the first, second, and third laws of thermodynamics to predict the feasibility of reactions. You should consider a variety of scenarios and make sure to discuss the implications of your predictions.

Assignment brief 2: Apply rate equations to determine the order of a reaction.

There are a few different ways to determine the order of a reaction, but one of the most common methods is to use rate equations. Rate equations can help us to determine how quickly a reaction is taking place, as well as the reactant or products that are responsible for that rate.

To create a rate equation, we first need to know the following information about our reaction: the concentration of each reactant and product at any given time, the initial concentration of each reactant and product, and the rate constant (k). We can then use this information to calculate the change in concentration over time for each reactant and product.

By graphing these changes in concentration over time, we can determine the order of the reaction. For example, if the concentration of a reactant changes much more quickly than that of a product, we can assume that the reaction is first order in that reactant.

Assignment Brief 3: Apply the principles of oxidation and reduction to electrochemical systems.

When we apply the principles of oxidation and reduction to electrochemical systems, we are effectively talking about two different ways that a chemical reaction can occur. In an oxidation reaction, there is a loss of electrons by one of the reactants, while in a reduction reaction, there is a gain of electrons.

In general, corrosion refers to the degradation of metals due to their exposure to certain environments. There are many different types of corrosion that can occur, but they all involve some form of oxidation or reduction process. For example, rusting is a type of corrosion that occurs when the iron is exposed to oxygen and water. This exposure causes the iron to oxidize, resulting in the formation of Rust (Fe2O3), which is an example of an oxidized product.

When we apply the principles of oxidation and reduction to electrochemical systems, we are effectively talking about two different ways that a chemical reaction can occur. In an oxidation reaction, there is a loss of electrons by one of the reactants, while in a reduction reaction, there is a gain of electrons.

Assignment Brief 4: Undertake experimental investigations relating to physical chemistry.

Physical chemistry is the study of the fundamental principles governing the physical and chemical properties of matter. This includes topics such as thermodynamics, kinetics, equilibrium, and electrochemistry.

In order to investigate the principles of physical chemistry, one must first understand the basic concepts that govern these properties. For example, in thermodynamics, one must understand the difference between energy and temperature, and in kinetics, one must understand the concept of reaction rate.

Once one understands these basic concepts, one can then begin to apply them to specific systems and observe how they behave. For example, by studying thermodynamics one can learn about the behavior of gases under different conditions, and by studying kinetics one can learn about how reactions proceed over a period of time.

There are a number of different experimental techniques that can be used to investigate physical chemistry, including measuring reaction rates and changes in temperature. Ultimately, the goal of any experimental investigation is to observe the behavior of matter under varying conditions and then to use this information to make predictions about how it will behave in other situations.

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