/*! This file is auto-generated */ .wp-block-button__link{color:#fff;background-color:#32373c;border-radius:9999px;box-shadow:none;text-decoration:none;padding:calc(.667em + 2px) calc(1.333em + 2px);font-size:1.125em}.wp-block-file__button{background:#32373c;color:#fff;text-decoration:none} Problem 19 This lab uses a pressure sensor ... [FREE SOLUTION] | 91Ó°ÊÓ

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This lab uses a pressure sensor and a calculator-based laboratory ( \(\mathrm{CBL}^{\mathrm{TM}}\) ) unit. In this lab we investigate Boyle's law, which describes the relationship between the pressure and the volume of a fixed mass of gas at a constant temperature. We test this relationship by using a large syringe with a plunger that is attached to the pressure sensor. For a detailed description, go to http://college.hmco.com/PIC/crauder4e.

Short Answer

Expert verified
Boyle's Law states that pressure and volume of a gas are inversely related at constant temperature, evidenced by \( P \times V = \text{constant} \).

Step by step solution

01

Understand Boyle's Law

Boyle's Law states that for a given mass of gas at constant temperature, the pressure and volume are inversely proportional. This means that when the volume increases, the pressure decreases, and vice versa. Mathematically, this relationship is represented as \( P \times V = k \), where \( P \) is the pressure, \( V \) is the volume, and \( k \) is a constant.
02

Set Up the Experiment

Attach the pressure sensor to the CBL unit and connect a large syringe to it. The plunger inside the syringe allows you to change the volume of the gas trapped inside. Make sure that the temperature of the gas remains constant throughout the experiment.
03

Record Initial Measurements

With the plunger set to its initial position, record the initial volume \( V_1 \) and the initial pressure \( P_1 \) as indicated by the pressure sensor.
04

Adjust the Volume

Move the plunger to a new position, changing the volume of the gas. Make sure the temperature remains constant to maintain the conditions required for Boyle's Law.
05

Record New Pressure and Volume

With the plunger in the new position, record the new volume \( V_2 \) and the corresponding pressure \( P_2 \).
06

Analyze the Data

Calculate the product of pressure and volume for both sets of measurements, \( P_1 \times V_1 \) and \( P_2 \times V_2 \). According to Boyle's Law, these two products should be approximately equal, showing the inverse relationship.
07

Conclude the Findings

If the product \( P \times V \) remains nearly constant for different volumes, it confirms Boyle’s Law. Any deviations can be attributed to experimental errors or equipment inaccuracies.

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Key Concepts

These are the key concepts you need to understand to accurately answer the question.

Understanding the Role of a Pressure Sensor
A pressure sensor is an essential tool in laboratory experiments involving gases. It measures the force exerted by a gas per unit area inside a closed system. In the context of Boyle's Law, the pressure sensor helps monitor how changes in volume affect the pressure of the gas.
The precision of a pressure sensor allows you to record accurate pressure readings at various volumes of gas. By attaching the sensor to apparatus like a large syringe, you can test the inverse relationship between pressure and volume effectively. It's crucial to ensure that the sensor is calibrated correctly to minimize errors in your readings.
This device opens up the opportunity for real-time data collection, assisting in comprehending the experiments better. You can analyze the interplay of variables, leading to a more comprehensive understanding of gas behavior under different conditions.
Volume and Pressure Relationship in Boyle’s Law
Boyle's Law describes how gas volume and pressure are inversely proportional. At constant temperature, as the volume of gas within a container increases, the pressure decreases and vice versa.
Mathematically, this relationship is expressed by the equation:
  • \( P \times V = k \)
where:
  • \( P \) represents the pressure of the gas.
  • \( V \) represents the volume of the gas.
  • \( k \) is a constant specific to the gas used, assuming there's no change in temperature or amount of gas.
Understanding this relationship is critical for predicting how gases will behave in various scenarios. If the volume is halved, for example, the pressure is expected to double, assuming the temperature remains constant. Using this law, scientists and engineers can design and operate equipment involving gas handling efficiently.
Applying College Algebra to Analyze Boyle's Law
Analyzing Boyle’s Law involves using algebraic techniques to calculate and verify the relationship between gas volume and pressure. College algebra provides a framework for manipulating equations and solving for unknowns in Boyle’s Law applications.
In the experiment, you record initial values of volume \( V_1 \) and pressure \( P_1 \). Then, after changing the volume to \( V_2 \), you measure the new pressure \( P_2 \). By calculating \( P_1 \times V_1 \) and \( P_2 \times V_2 \), you can compare the results to see if they are equal, indicating consistency with Boyle's Law.
Algebra makes it easy to visualize these relationships through graphs, plot trends, and allow insights into comprehensive data interpretation. It provides a necessary skill set for validating experimental data and making mathematical predictions.
Conducting a Laboratory Experiment on Boyle's Law
Laboratory experiments are the perfect setting to observe theoretical concepts like Boyle's Law in action. To carry out an experiment on Boyle's Law, start by setting up the necessary equipment, such as a syringe connected to a pressure sensor, which is in turn connected to a Calculator-Based Laboratory (CBL) unit.
Every step involves carefully manipulating conditions to ensure that the temperature is constant, and accurate volume and pressure readings are documented.
  • First, record the initial pressure and volume.
  • Change the syringe plunger to modify the volume.
  • Take new pressure readings, ensuring consistency and precision.
By analyzing these data points, you can observe first-hand the inversely proportional relationship between pressure and volume.
Experiments also serve as a practical approach to solidifying understanding, providing a stepping stone from textbook concepts to real-world application. This hands-on experience aids in developing problem-solving skills and fosters a deeper appreciation for scientific inquiry.

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Most popular questions from this chapter

In an economic enterprise, the total amount \(T\) that is produced is a function of the amount \(n\) of a given input used in the process of production. For example, the yield of a crop depends on the amount of fertilizer used, and the number of widgets manufactured depends on the number of workers. Because of the law of diminishing returns, a graph for \(T\) commonly has an inflection point followed by a maximum, so a cubic model may be appropriate. In this exercise we use the model $$ T=-2 n^{3}+3 n^{2}+n $$ with \(n\) measured in thousands of units of input and \(T\) measured in thousands of units of product. a. Make a graph of \(T\) as a function of \(n\). Include values of \(n\) up to \(1.5\) thousand units. b. Express using functional notation the amount produced if the input is \(1.45\) thousand units, and then calculate that value. c. Find the approximate location of the inflection point and explain what it means in practical terms. d. What is the maximum amount produced?

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