he saw another one. It was another clown‚ except‚ he was looking child-friendly. He was holding an inflated‚ squeaky balloon sword with something that looks like blood. Charlie thought‚ ¨This is just stupid‚ how is a clown with a sword made out of helium supposed to kidnap me?¨ The clown was heading towards him‚ but then he tripped on his giant shoelaces‚ that he uses for strangling victims. Charlie made a run for it‚ and headed straight to the New Jersey Police Department. When he opened the police
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A pressurized vessel contains a gas that starts at 2.00 and volume of 3.4 ml. The volume increases to 4.6 ml. What is the new pressure? A.0.68 atm B.615 atm C.63.6 atm Correct D.1.5 atm E.none of the above Answer Key: D Question 2 of 12 4.0/ 4.0 Points What is the molar volume of a gas at STP. Correct A.22.4 L B.16.0 L C.2.00 L D.6.02 L E.Not enough information to answer the question. Answer Key: A Question 3 of 12
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Don’t want to hassle through packing bags and travelling miles away to enjoy the Thanksgiving long weekend? If you have plans to stay back in Chicago with your family‚ you have enough to be thankful for – coz Chicago has a lot to offer! The extravaganza of the city and its merry crowd will guarantee the best holiday weekend with your family and kids. 1. Zoolights at Lincoln Park With 1‚000 animals and nearly 1 million lights‚ the Zoolights at Lincoln Park are not to be missed. The light exhibits
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chromatography with mass detector and headspace sampler Conditions of the chromatograph Agilent 7890A (LCTG CGMS): * Column DB-624 30m 0.25 mm 1.4µ (CG-2) * Injector temperatura: 160ºC * Flux: 1.0 ml/min * Split: 5:1 * Carrier gas: Helium * Time per test: 30.6 min Conditions of the detector 5975C inert MSD * Data adquisition mode: Scan/SIM * Mass: from 30 to 200 * Threshold 75 * Temperature of the source: 230ºC * Quadrupol temperature: 150ºC Conditions
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1. What was Earth like in its infancy? How does it compare with the Earth today? In the very beginning of earth’s history‚ this planet was a giant‚ red hot‚ roiling‚ boiling sea of molten rock - a magma ocean. The heat had been generated by the repeated high speed collisions of much smaller bodies of space rocks that continually clumped together as they collided to form this planet. As the collisions tapered off the earth‚ it began to cool‚ forming a thin crust on its surface. As the cooling continued
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temperatures have been used to liquefy atmospheric gases like oxygen‚ hydrogen‚ nitrogen‚ methane‚ argon‚ helium‚ and neon. The gases are condensed‚ collected‚ distilled and separated. Methane is used in liquid natural gas (LNG)‚ and oxygen‚ hydrogen and nitrogen are used in rocket fuels and other aerospace and defense applications‚ in metallurgy and in various chemical processes. Helium is used in diving decompression chambers and to maintain suitably low temperatures for superconducting magnets
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Kinetic Energy: Consider a baseball flying through the air. The ball is said to have "kinetic energy" by virtue of the fact that its in motion relative to the ground. You can see that it is has energy because it can do "work" on an object on the ground if it collides with it (either by pushing on it and/or damaging it during the collision). The formula for Kinetic energy‚ and for some of the other forms of energy described in this section will‚ is given in a later section of this primer. Potential
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Review for Astronomy 2 Midterm and Final Midterm covers first 70 questions‚ Final covers all 105. MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Chapter 1 is covered by Q1-3; Ch. 2 Q4-18; Ch. 3 Q19-27; Ch. 4 Q28-34; Ch. 5 Q35-45; Ch. 6 Q46-51; Ch. 7 Q52-63; Ch. 8 Q64-70; Ch. 9 Q71-77; Ch. 10 Q78-82; Ch. 11 Q83-91; Ch. 12 Q92-96; Ch. 13 Q97-100; Ch. 14 Q101-105 1) Which of the following has your "address" in the correct order? A) you‚ Earth
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Introduction • Snell’s Law is a formula used to describe the relationship between the angles of incidence and refraction‚ when referring to light or other waves passing through boundary between two different isotropic media‚ such as water and glass. • It’s also commonly known as ’’The Law Of Refraction’’ What is light : How is light propagated through different optic medium? • Light is the natural agent that stimulates sight and makes things visible; electromagnetic radiation from about
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Sharing Electrons Example~ A hydrogen atom has one electron. If it had two electrons‚ it would have the same electron configuration as a helium atom. Two hydrogen atoms can achieve a stable electron configuration by sharing their electrons and forming a Covalent bond. A covalent bond is a chemical bond in which two atoms share a pair of valence electrons. When two atoms shair one pair of electrons‚ the bond is called a singe bond. Molecules of Elements Two hydrogen atoms bonded together
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