Specific heat capacity example problem physics youtube. Refer to the ib physics guide for details on what you need to know about this topic. Physics standard level paper 3 instructions to candidates write your session number in the boxes above. The heat capacity in calories per gram is called specific heat. E n d o f to p i c q u e s t i o n s solutions for topic 3 thermal physics 1.
Specific heat concept chemistry video by brightstorm. The c represents the specific heat capacity of the mass, the d t represents the change in temperature in k or o c. The symbol c stands for the specific heat also called specific heat capacity and depends on the material and phase. Latent heat energy must be removed from substance example how much heat is released from 50g of water as it a changes from liquid to ice at 0oc. The entire practical programme of work will take a minimum of 40 hours for sl courses and 60 hours for hl. It is usually expressed as calories per degree in terms of the actual amount of material being considered, most commonly a mole the molecular weight in grams. Choose from 500 different sets of specific heat physics flashcards on quizlet.
The nos parts in the subjectspecific sections of the guide are examples of a. Students should understand the concepts of specific heat, specific latent heat of. It may be deduced therefore, that the bodies must have the same a. Alright so lets talk about specific heat, specific heat were going to denote with a letter c. Determination of an unknowns specific heat capacity. The specific heat is numerically equal to the amount of heat necessary to change the temperature of \1. Thermistor, boiling tube containing glycerol or liquid paraffin, beaker, heat source, thermometer, ohmmeter. Its the amount of heat required to raise the temperature of 1 gram of a substance 1 degrees celsius or 1 kelvin. The specific heat capacity of a material is the internal energy change when 1.
The topic of thermal physics is a good example of the. Heat capacities of solids any theory used to calculate lattice vibration heat capacities of crystalline solids must explain two things. Calorimetry, thermal physics from alevel physics tutors. As an example, the specific heat of water is given as, which means that 1. Heat capacity, ratio of heat absorbed by a material to the temperature change. Calculate the amount of energy required to raise the temperature of the water from 15 0c to 100 c. To access the entire contents of this site, you need to log in or subscribe to it click the free stuff button on the home page to access free pages or check the blog. From wikibooks, open books for an open world ib physics. Near room temperature, the heat capacity of most solids is around 3k per atom the molar heat capacity for a solid consisting of natom molecules is 3nr.
Q is the amount heat energy concerned m is the mass of the body is the temperature rise of the body c is the specific heat capacity of the body. K heat energy transferred to a material using the mass, specific heat capacity a material and change in temperature. To use calorimetry the relationship between thermal energy lost by one substance and thermal energy gained by another substance to determine the specific heat capacity of an unknown metal sample and to identify that sample based on its specific heat capacity note. Do not open this examination paper until instructed to do so.
Ibdp physics labwork and modeling danny doucette danny. The crc handbook of chemistry and physics hbcp contains over 700 tables in over 450 documents which may be divided into several pages, all categorised into 17 major subject areas. The greater the materials specific heat, the more energy must be added to change its temperature. The specific heat capacity of a substance is given by and is defined by the amount of heat needed to raise the temperature of 1kg of the substance by 1k.
It is necessary to determine the specific heat of an unknown object. Use the thermometer to note the temperature of the glycerol and thermistor. In an experiment to measure the specific heat capacity of a metal. Describe and explain the terms heat energy and temperature. Heat source water 10c digital thermometer thermistor procedure 1. The ib diploma programme dp is a rigorous, academically challenging and balanced. Introduction the objective of this experiment is to measure the speci. The specific heat capacity of water is 4180 j kg 1 k1. Pdf specific heat capacities of various engine oil samples were measured. Phys 1401 general physics i experiment 12 specific heat i. The search on this page works by searching the content of each page individually, much like any web search. Higher level physics developed specifically for the ib diploma.
Calculate the amount of energy needed to increase 0. Different substances have different specific heat capacities because of different densities and physical properties. Use the first equation if the temperature changes, use the second equation if the phase changes. This number can be found in the ib physics data booklet to be equal to 6. Specific heat capacity and latent heat questions a2 physics loj 2010. Two bodies are brought into thermal contact with each other. In the chapter on temperature and heat, we defined the specific heat capacity with the equation \q mc\delta t\, or \c 1mq\delta t\. Phys 1401 general physics i experiment 12 specific. Specific heat capacity of water 4200 j kg1 k1 specific heat capacity of milk 3800 j kg 1 k1 0. Specific heat capacity and latent heat questions a2 physics. Ib physicsthermal physics wikibooks, open books for an. The specific heat at a constant pressure, cp is defined as the heat capacity per unit mass when all. Clear and readerfriendly, this is an ideal textbook for students seeking an introduction to thermal physics. Latent heat of fusion and vaporization, specific heat.
Solutions manual for university physics with modern physics, global edtion, 14e up next autoplay 7. If the same quantity of heat is given to equal masses of different substances, it is observed that the. Pdf determination of the specific heat capacity of different sae. Included in this time allocation are 10 hours for the group 4 project and 10 hours for the completion of the internal assessment task as well as the prescribed practicals and other practical activities. No thermal energy transfer takes place between the bodies. Level physics textbook cambridge international as level and a level physics coursebook up next autoplay 7.
An objects heat capacity symbol c is defined as the ratio of the amount of heat energy transferred to an object to the resulting increase in. The specific heat capacity of a substance is given by. Ib physics sl revision thermal 2 specific heat capacity. Ib physics sl lab report specific heat capacity free download as word doc. International baccalaureate diploma programme subject brief.
You may use the textbook to find any moments of inertia you may require. Written by an experienced teacher and extensively classtested, thermal physics provides a comprehensive grounding in thermodynamics, statistical mechanics, and kinetic theory. The reason these can be interchanged is because they have the same incremental values they can be switched around. Thermal physics heat temperature specific heat capacity specific latent heat 2. Definition specific heat capacity shc the amount of thermal energy required for 1kg of a substance to raise its temperature by 1k. Specific heat capacity c is the heat energy required to raise the temperature of unit. At that time, it was found that the specific heat at constant volume cv of a substance is defined to be its heat capacity per unit mass when all changes are made at a fixed volume. Solutions manual university physics with modern physics freedman young 14th ed applied physics for scientists and engineers with modern physics by serway jewett manual physics text physics book technology update by james s walker 4th edition up next autoplay 7. The q represents the heat stored absorbed released by a mass m during a process.
Podcast for kids nfb radio 101 sermon podcast pauping off all steak no sizzle podcast church of the oranges daily chapel spring 2012. We define the average angular velocity of the body to be. The specific latent heat of vaporization of a substance is the quantity of energy required to a. The heater is switched on and after 120 s the water reaches boiling point. Ib physics sl lab report specific heat capacity scribd.
Thermal physics deftly demonstrates the links between the. Heat capacity usually denoted by a capital c, often with subscripts, or thermal capacity, is the measurable physical quantity that characterizes the amount of heat required to change a bodys temperature by a given amount. Without using calculations but instead referring to the definition of specific heat capacity. The final equilibrium temperature of the water was measured. Browse 500 sets of specific heat physics flashcards advanced. However, the properties of an ideal gas depend directly on the number of moles in a sample, so here we define specific heat capacity in terms of the number of moles, not the mass.
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