ENERGY IN THERMAL SYSTEM OBJECTIVES 1. To gain thermal equilibrium 2. To determine final temperature INFERENCE Thermal equilibrium is achieved when two substances reach the same temperature and exchange to heat energy. HYPOTHESIS The final temperature obtained from experiment will be the state in which the temperature of two substances reached the equal temperature at a certain time. APPARATUS 1. Calorimeter 2. Mercury thermometer 3. Beaker 4. Bunsen burner or electric kettle
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its body temperature within certain boundaries even when the surrounding environment is very different. For humans it is the process the body goes through to make sure it doesn’t overheat or get too cold. The process of ATP production in cells via cellular respiration produces the heat energy that is needed to allow the body to maintain a constant warm core temperature. Hypotherms (Warm blooded animals) are able to keep their core body temperature constant even when external temperatures drop or
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explain how gases behave at different temperatures. (Exploration 1) • Analyze data that shows how gas particle mass affects that gas’s behavior. (Exploration 2) • Describe the Maxwell-Boltzmann Distribution. (Explorations 1 and 2) Description of Activity The kinetic-molecular theory states that a collection of gas molecules’ average kinetic energy has a specific value at any given temperature. In this activity‚ you will study how temperature and gas particle mass affect the frequency
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also be from reading and recording the height incorrectly. More trials could be performed however to ensure accuracy. My hypothesis for the temperature experiment was also proven correct: The enzyme activity will be at it’s highest/best when the temperature is 60oc‚ which is the temperature of boiled water in this experiment‚ because increased temperature increases the kinetic energy of the enzyme’s molecules causing there to be less time between collisions‚ resulting in more molecules reaching
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The Effects of Temperature on Basil Germination Abstract: Successful germination depends on many different factors. The amount of moisture‚ the type of seed‚ the temperature of the room‚ and how long the seeds are left in the specific environment‚ these factors are the most common. This paper focuses on the temperature of the seeds‚ specifically basil seeds. Basil seeds were placed on a damp towel‚ in two seperate Petri dish‚ and one was put in a room‚ to adjust to the temperature‚ and the other
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negative feedback loop was the blubber preventing the changing temperature of the thermometer. Therefore‚ blubber is a method of homeostasis‚ because it prevents the ideal temperature of the thermometer from dropping. Our data shows this as well. When we used Jello‚ cornstarch‚ and aluminum foil‚ it kept our thermometer’s internal temperature 20 degrees higher than the ice’s temperature of 0 degrees Celsius. Although a lower temperature‚ it was the same results with negative feedback loops
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Volume Of Container 0.29 g 5 mL 144.544 mL Temperature Vapor Pressure 19.9℃ 17.55 torr Initial Pressure Final Pressure 499.9 torr 692.2 torr Part C Experimental Design A flask with the same volume as Part B was stoppered and equipped with a pressure sensor. Some water was placed into the flask to give some vapor pressure. The exact volume of the flask was not needed because this experiment involved only pressure and temperature. The flask was then placed in a larger beaker
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ramp (start temperature at 25° C ramp rate =20 °C/min end temperature = 260° C). The capillary tube was placed in the Digi Melt apparatus and the fast ramp began. The temperatures of the unknown compound were recorded when it started to melt and when the
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are two types of engine; spark ignition and compression ignition engine. The diesel engine works on diesel oil‚ a non-volatile fuel. The self-ignition temperature is comparatively low. In this case fuel is injected directly into the combustion chamber at high pressure at the end of the compression stroke. Self-ignition occurs due to the high temperature of air because of the high compression. Spark plug and ignition are not necessary as in the case of spark engine. The CI engine is having a higher compression
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Example Lab Report and structure Monash Uni ------------------------------------------------- The lab report The laboratory report is an important form of writing for scientists as it provides a record of experiments completed. Depending on the type of task or investigation you carry out‚ the sections of the written piece may vary‚ but a lab report or project report will usually have a title page‚ abstract‚ introduction and methods‚ results‚ discussion sections‚ a conclusion and references test
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