Determination of specific heat Capacity of a solid by electrical method Introduction Thermal conductivity heat is transferred as a consequence of temperature difference between 2 bodies‚ heat energy passes form a hotter to the colder body. Specific heat capacity is the amount of heat energy required in joules to raise 1kg of a substance by 1 degree Celsius‚ different substances absorb heat energy at different rates not all substances require the same amount of heat energy to increase the
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Unit 6 Problem Set 1: Applying Thermal Expansion Learning Objectives and Outcomes Calculate the thermal expansions of solids and liquids. Assignment Requirements Complete the following problem. Show all of you work. The formula for the linear expansion of a solid is given by: An iron rod (α = 11.8 x 10-6 C-1) has a length of 1000 meters (or 1 km) at 0 degrees Celsius. If the rod must expand 10 cm to bridge a gap‚ to what temperature must the rod be heated? Increase in L = a*(T-To)L
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It is better to prevent waste than to treat or clean up waste after it has been created. Energy requirements of chemical processes should be recognized for their environmental and economic impacts and should be minimized. If possible‚ synthetic methods should be conducted at ambient temperature and pressure. Chemist Vilas Pol came up with an environmentally green method that breaks down plastics and transforms them into a highly usable substance for society. Chemist Vilas Pol inserted plastic bags
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Checkup: Linear Functions Answer the following questions using what you’ve learned from this lesson. Write your responses in the space provided‚ and turn the assignment in to your instructor. 1. What is the slope of the line in the graph below? Show your work. Answer: To find out the slope‚ you must first take two separate points on the graph‚ such as (-5‚-1) and (0‚1). Then‚ it’s a simple matter to use the equation [pic] to find the slope: [pic]=
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Department of Information Science‚ College for Women‚ Kuwait University ICS 240 – Fall 2008-09 Home Works #1 1. Write a program that prompts the user to input the length and width of a rectangle and then prints the rectangle’s area and perimeter. 2. Write a program that does the following: a) Prompts the user to input five decimal numbers b) Prints the five decimal numbers c) Converts each decimal number to the nearest integer d) Adds the five integers e) Prints the sum and average
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Biodegradable Styrofoam Made from Milk and Clay Objectives - The researchers will intend to develop the Styrofoam-plastic out of mostly milk proteins and clay. The material is lightweight‚ sturdy and largely biodegradable. The researchers will make sure that the end result doesn’t smell like spoiled milk. - Casein—milk proteins—is already used in making paper coatings and has an excellent barrier properties. But it has its limited mechanical strength and is water resistant. To make it more resilient
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Name of Student: XXXXXXXX XXXXXXXXXX Course Title: Food Safety and Sanitation Name(s) of Instructor(s): XXXXXXXXXX Date: November 12‚ 2010 1. Discuss and explore the "best practices" in receiving and inspecting seafood‚ fresh meat and poultry‚ eggs‚ dairy products‚ and fresh produce. Fish: If it is received on ice‚ the ice should be crushed and the container should be self-draining. Upon delivery‚ it should be received at a temperature of 41 degrees Fahrenheit (5 degrees
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Patient Zero Lab Report Dashell Zamm The Immune system is one of the most important parts of the human body. Its role is to protect us from outside dangers such as pathogens and disease and to keep the body healthy. The immune system protects the body from disease by having a complex system of organs and cells to keep the body safe. The first barrier of the immune system and of the body is the skin which keeps out pathogens from entering the body‚ but if there is a cut in the body‚ the skin can
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Pre Lab Report Behavior of Gases and Absolute Zero Determination Lab 4 Summary of Concepts: Through this experiment we will be investigating the differences between the gas laws. We will investigate the relationships between pressure‚ volume‚ and temperature. By the end of the experiment we will have data to prove the gas laws. The Gas Laws we will be investigating are as follows: Boyle’s Law: PV=C Charles’ Law: V/T=C Gay-Lussac’s Law: P/T=C Avogadro’s Law V/n=C Ideal Gas law:
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Background: This lab involves the testing and measuring of water potential. Water potential (ψ) is the tendency of water to diffuse from one region to another. It measures the free energy available in water to do work. Pure water has a water potential of 0 (kpa--unit?). Water will move from an area of higher water potential to an area of lower water potential. Several factors‚ including temperature‚ pressure (ψp) and solute concentration (ψs) contribute to water potential. (citation-lab) The equation
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