Experiment 7: Velocity of Sound Jaybee J. Balilea‚ Sharmaine O. Baysic‚ Maria Anjelette Patricia C. Belen‚ Dianne Grace D. Bolloso Department of Biological Sciences College of Science‚ University of Santo Tomas Espana‚ Manila Abstract Sound is a mechanical wave that is an oscillation of pressure transmitted through a solid‚ liquid‚ or gas‚ composed of frequencies within the range of hearing and of a level sufficiently strong to be heard. It is produced when something vibrates causing
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Purpose The reason for this experiment is to prove that objects of different masses‚ when dropped from the same height‚ fall at the same velocity. Apparatus - 2 Marbles of different mass‚ one steel and one nylon - Dropping Mechanism with a lever to hold the marble and pull for drop - Bee Spi (measures velocity in kilometers per hour.) - Box to catch the marble on the way down Procedure The dropping mechanism was set up‚ with the BeeSpi attached to it at 26.5” from the lever that drops
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Experiment: To Determine The Velocity Of Sound Using a Resonance Tube Essays Experiment: To Determine The Velocity Of Sound Experiment: To Determine The Velocity Of Sound Using a Resonance Tube Essays Using a Resonance Tube Essays Experiment: To Determine The Velocity Of Sound Using a Resonance Tube Essays Experiment: To Determine The Velocity Of Sound Using a Resonance Tube Essays Experiment: To Determine The Velocity Of Sound Using a Resonance Tube Essays Experiment: To Determine The Velocity Of
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(b) State the relationship between the buoyant force on an object and weight of the liquid displaced by it. 5. State any two reasons for plant cells to have large central vacuole. [2] 6. List any four salient features of meristematic tissue. [2] 7. What is a super saturated solution? [2] 8.Give reason for the following:(a) A wet handkerchief is placed on the forehead of a person suffering from high fever. (b) We often sprinkle water on the road in summer. [3] 9. (a) Write four differences
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EXPERIMENT 7: PERCENTAGE OF OXYGEN IN KClO3 Introduction: In this experiment you will determine the percentage of oxygen in potassium chlorate. You will calculate the theoretical value from the chemical formula and compare your experimental value to the theoretical value. Background: When potassium chlorate (KClO3) is heated‚ it undergoes chemical decomposition. Oxygen gas (O2) is given off and potassium chloride (KCl) remains as the residue. The equation for the decomposition of potassium
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Salt from green beans Name: Ashni Couprie and Dennise Susanto Class: 5c Introduction From previous experiments we ’ve learned that salt is extracted from green beans. To be more specific: salt is extracted from when the beans are cooked in water in which salt has been dissolved. This experiment is based upon the osmoses theory. According to this theory the cell walls of the green beans are what we call a semi permeable membrane. This membrane only lets water through and not the substance
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If one goes out before we wake up‚ we will get two more of the same type of battery and watch it during the day. Variables Our variable is the different brand of batteries. The controlled condition is the same type of flashlights. Results Our experiment showed that Rayovac outlasted all of the other batteries we tested by at more than two hours. The Eveready battery‚ which is a regular‚ non-alkaline battery‚ lasted only 6 hours and 35 minutes. The Duracell lasted 15 hours. The Energizer lasted
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Banana and Papaya Fruit Peelings Extract as an Alternative Culture Medium for Fungi Submitted by: Maricel P. Clores Catherine A. Bernardo Rodora Lafiguera Julius Jorge Suarez Scope and Delimitation This study is focused on how to produce ointment out of banana and papaya fruit peelings extract to help avoiding fungal infections. It must be done within a laboratory. The place must be conducive for only a matter of years. This study builds upon on how to lessen fungal
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Experiment 7 General Safety Considerations 1. 1-Butanol and 1-bromobutane are toxic and irritating. Avoid all contact by constantly wearing goggles‚ gloves and working in the hood. Neither of these compounds can be poured down the drain. Like all products‚ 1-bromobutane should be turned in to your TA in a labeled vial. Any excess butanol should be discarded in non-halogenated waste. 2. H2SO4 is extremely corrosive. In very diluted form it can be poured down the drain‚ all other precautions
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damping the string above the twelfth fret. a.If a harmonic is heard (and you hear a ringing‚ bell-like tone)‚ then mark that location in your data table with a filled-in black circle. b.If a harmonic is not heard (if the string sounds dead or dull or makes no sound at all when plucked)‚ then mark that location in your data table with an open circle. 2.Continuing on with the same string‚ repeat step 1 for all frets‚ from fret 11 down to fret 1. 3.Repeat steps 1–2 for two additional strings
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