material cones. There is also a finger spreader which is smaller and shorter to be used in p osterior teeth. 4) Plugger. It is a long and blunt flat tip blade instrument. It is necessary for vertical condensation technique and also plugging of gutta percha at the termination of all other obturation condensation techniques. There are 2 types pluggers‚ the long handled type and finger type. Standardization of Intracanal Instruments: 0 of Each instrument has a number which refers to the size of its tip. The
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credit. (4 points) 1. Complete the following table based on the observations you made during the lab. Experiment Observations Cold water After I had opened the bottle‚ condensation rose to the top of the water bottle where the air was. Cold water plus match With water plus the match‚ the smoke from the match causing condensation displaced air. Hot water With hot water‚ the steam covered the top of the bottle. Hhot water plus match With the match in the smoke went all the way to the bottom of the
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shape of an enzyme renders it useless. In this experiment‚ every group but the Popbeads group conducted a hydrolysis reaction. The Popbeads represented a condensation reaction. This is because every group but the Popbeads simulated a polymer (toothpick) being broken down. The Popbeads polymers were instead put together‚ creating a condensation reaction. An example of denaturing an enzyme would be the curled index finger experiment. The enzyme had to work under modified conditions that greatly affected
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remove salt from water but it could be very expensive. how does water get into oceans? when clouds can’t hold any more water it comes as precipitation and lands in the ocean. what is the water cycle made up of? it is made up of six different traits. condensation‚infiltration‚runoff‚ evaporation‚ precipitation‚and transportation. The water cycle has limited amount of water that goes around and around that is what you call the “WATER CYCLE”.the cycle is made up of a few main parts. evaporation-when the
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SCI 100 – Meteorology: Chapter 5 Focus Questions and Topics to Study Comprehensively describe the “adiabatic process”? (Hint: see Fig. 5.2 on page 119) Explain why the moist adiabatic rate and dry adiabatic rate are different. List and describe the ways‚ both at the surface and aloft‚ the atmosphere be made more stable. List and describe the ways‚ both at the surface and aloft‚ the atmosphere be made more unstable.
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The water cycle is one of the most or the most important cycle that we have on planet earth. Earth is able to support life because of the plentiful water that it contains. When astronomers search for planets outside of our solar system to see if there is a chance for life on other planets‚ the first thing that they look for is if the planet contains water. However‚ humans are starting to affect the way that the water cycle happens by‚ “We take water out of the system to irrigate crops…” (creditvalley
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1) Which of the six colors of the rainbow is refracted the greatest? Out of the 7 colors of the rainbow‚ Violet is refracted the greatest. 2) What is a mirage and why does it always disappear as the observer gets closer? A mirage is a naturally occurring optical phenomenon in which light rays are bent to produce a displaced image of distant objects or the sky. Mirages appear at very low viewing angles‚ when you are far away. As you approach‚ the viewing angle increases and the mirage disappears
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book that may help you to remember that point. Alternatively‚ you could use this book to derive questions which yourself or other people could test you on! The choice is yours! Hope this helps. THE CHEMICAL IDEAS IN THIS UNIT: • Condensation polymers • Amines and Amides • Factors affecting the properties of Polymers • Disposal of Polymers A) Explain the term Electronegativity‚ recall qualitatively the electronegativity trends in the periodic table; use relative
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1. Be wary of the main storm hazards. Thunderstorm Hazards (lightening‚ hail‚ tornado‚ downpours of rain flooding‚ downbursts of air gustfronts Hurricane Hazards contain thunderstorms‚ storm surge/coastal flooding‚ high waves‚ coastal erosion 2. Describe the different types of lightning‚ how they form‚ and what happens when they strike something. Cloud-to-cloud lightening: occurs when voltage gradient within a cloud‚ or between clouds overcomes electrical resistance of air. Cloud-to-ground
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ENERGY BALANCE Desulphurizer Here Sulphur in Naphtha is made to react with Hydrogen in presence of catalysts to give Hydrogen Sulphide. This reaction takes place at a temperature of 623 K H2 + S Hydrogen and Naphtha are assumed to be stored at 303 K Specific Heat capacity of naphtha is assumed to be 3.5235 kcal/kmol Specific Heat capacity of Hydrogen =(6.62+0.00081T) kcal/kmol K ∆H = ∑ ni ∫ C pi dT = 6.015915 x10 6 kcal hr i Hence heat required to raise their temperature from 303 K to
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