Chemistry 1061: Principles of Chemistry I Gas Laws Gas Laws: Pressure‚ Volume‚ and Temperature Introduction Pressure‚ volume‚ and temperature are properties of gases that reveal their relationships when any one of them is varied. Changing the temperature of a gas may change its volume or pressure‚ but how? What are the mathematical relationships between these properties? Are there limits to them? Scientists have discovered through the study of properties of gases that there is indeed a theoretical
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How Ultrasonic proximity sensor works An ultrasonic proximity sensor uses a piezoelectric transducer to send and detect sound waves. Transducer generate high frequency sound waves and evaluate the echo by the detector which is received back after reflecting off the target. Sensors calculate the time interval between sending the signal and receiving the echo to determine the distance to the target. When the target enters the operating range the output switches. The ultrasonic proximity switches are
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University of Southern Queensland Faculty of Engineering and Surveying Wall Climbing Robot A dissertation submitted by Kang Boon Geh in fulfillment of the requirements of Courses ENG4111 and 4112 Research Project towards the degree of Bachelor of Electrical and Electronic Engineering PDF created with pdfFactory trial version www.pdffactory.com University of Southern Queensland Faculty of Engineering and Surveying ENG4111 Research Project Part 1 & ENG4112 Research Project
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others. It also can be use at bath room. SENSING ELEMENT TYPE OF SENSOR: Proximity sensor NAME OF SENSOR: IR distance sensor w/cable (10cm-80cm) - GP2Y0A21YK0F MEASURED: Distances between a pipe and disturbance. RANGE: 20-80cm VOLTAGE OUTPUT: 1V-15V TEMPERATURE: -10°C to 60°C The sensors that have been chosen have a distance range around 10cm – 80cm where the sensors only works around that range. The size of the sensors also should be consider due it will fluency the size of pipe. If the cable
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ETCO2 Monitoring What is EtCO2 EtCO2 or End Tidal Carbon Dioxide is the partial pressure or the maximal concentration of Carbon Dioxide at the end of an exhaled breath‚ which is expressed as percentage of CO2 or mmHg. The normal values are 5% to 6% CO2‚ which is equivalent to 35-45 mmHg. The term ‘capnometry’ is used to refer the measurement and display of concentration of EtCO2. Another term associated with this parameter is ‘capnography’‚ which refers to the display of a calibrated and a visual
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CHAPTER ONE INTRODUCTION: BACKGROUND INFORMATION 1. SIWES The Students Industrial Work Experience Scheme (SIWES) is the accepted skills training programme‚ which forms part of the approved minimum academic standards in the various degree programmes for all the Nigerian Universities. It is an effort to bridge the gap existing between theory and practice of engineering and technology‚ sciences‚ agriculture‚ medical‚ management and other professional educational management and other professional
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Principles of Measurement Systems We work with leading authors to develop the strongest educational materials in engineering‚ bringing cutting-edge thinking and best learning practice to a global market. Under a range of well-known imprints‚ including Prentice Hall‚ we craft high quality print and electronic publications which help readers to understand and apply their content‚ whether studying or at work. To find out more about the complete range of our publishing‚ please visit us on the World
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Boyle’s Law Experiment Aim To show that Pressure is proportional to the inverse to volume Method A gas syringe was attached to a pressure sensor. The pressure sensor was calibrated‚ assuming the atmospheric pressure at the time of the experiment was 100kPa. Differing volumes of gas were created in the gas syringe and they were recorded as were the corresponding values of pressure at that particular volume. The volume was varied between 20cm3 and 75cm3. Results A set of readings was obtained
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usually cubic metres (m3)‚ e.g. 200 mg/m3 or using ppm without any reference‚ e.g. 140 ppm Please note Because of the variation of a gas volume with temperature and pressure changes it is necessary to use one of the following alternatives for describing a concentration value: additional specification of gas temperature and pressure values existing during measurement or conversion of the measured concentration value into the corresponding value at standard zero conditions‚ see the following chapter
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to see how the change in concentration of hydrogen peroxide and the change in temperature affect the rate of reaction. The data will be collected by measuring the gas pressure. The product of Hydrogen Peroxide is oxygen in a gas state thus it is mandatory to use the gas pressure sensor. By calculating the difference of the gas pressure divided by the amount of time from the raw data collection it is able to find the rate of reaction of the decomposition of hydrogen peroxide. * Control Variable-
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