AP Chemistry Dr. Istone Lab 3: Gravimetric Analysis of a Metal Carbonate Lab Objective: In this lab we will determine the identity of a group 1 metal carbonate compound by gravimetric analysis. The unknown is weighed and dissolved in water and the precipitate is filtered‚ dried‚ and weighed. From the data the formula weight and identity of the unknown metal carbonate is determined. Lab Procedure: 1. Set up the Bunsen burner and ring clamp‚ light the burner and heat the crucible
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THE WATER CYCLE STORY 999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999 years ago‚ there lived a water molecule it’s name was Joel. He was not a very smart water molecule. He lived `in Canada in a water tower on a mountain‚ when one day there was a big rainstorm that broke the water tower right off the mountain. After that there was a huge crack in the water tower and all the water poured out a rolled down the hill/surface runoff. Then Joel
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The Problem of Global Warming The problem of global warming‚ an increase in the average temperature on Earth‚ is getting worse. The Earth has warmed 0.3 to 0.6 degrees Celsius since the late 1800s. Scientists believe that the cause is the greenhouse effect‚ the process of trapping heat in the Earth’s atmosphere because of the presence of large amounts of carbon dioxide‚ chlorofluorocarbons‚ methane‚ and nitrogen oxides. Less oxygen is being produced and cleaning the atmosphere allowing more
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weather and finally going to briefly touch up on the phenomena of the whole situation. So what is climate change? The united states environmental protection agency defines it as “any significant change in measures of climate (such as temperature‚ precipitation‚ or wind) lasting for an extended period.” Climate change is the preferred term for what’s going on earth right now because it helps state that there are other changes happening in addition to just the temperature changing. Global warming is
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the temperature reached over 100 degrees each day. It actually was the hottest place on the entire planet up until 1922 when Libya took first place. An annual precipitation of 1.50 inches falls upon this dangerous valley each year. Here in Chicago‚ our driest month on the year‚ which is February‚ receives 1.63 inches of precipitation. Yes‚ that means that our driest month of the year is still not even as low as the yearly rainfall that Death Valley receives. The fact that Death Valley beholds
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Gravimetric Determination of Phosphorus in Fertilizer Samples ------------------------------------------------- Results and Discussion More than 50% of fertilizers are composed of nitrogen‚ phosphorus and potassium because these three nutrients are essential but are deficient in soils. To ensure good quality of fertilizers‚ it is significant that the amounts of these nutrients are quantified. In this light‚ gravimetric principles are of much use. The objective of the experiment is to determine
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LIGHTNING Lightning is a massive electrostatic discharge caused by unbalanced electric charges in the atmosphere‚ and resulting in a strike‚ from a cloud to itself‚ a cloud to a cloud or a cloud to ground‚ and accompanied by the loud sound of thunder. A typical cloud to ground lightning strike jumps a 5 km (3 mi) gap through the air.[1] A typical thunderstorm has three or more strikes per minute at its peak.[2] Lightning is usually produced by cumulonimbus clouds based 5–6 km (3-4 mi) above the
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A-accelerate N-north D-decelerate S-south U-undershoot N-north O-overshoot S-south Vso-stall speed in landing condition Vs-stall speed in clean configuration Vx-best angle of climb Vy-best rate of climb Vfe-flaps extended speed Vno-maximum structural cruising speed Vne-never exceed Va-maneuvering speed Airspeed indicator -white arc: flaps operating range -green arc: cruising speed -yellow arc: caution speed- only in good air -red line: never exceed 9/12/13 POH/AFM‚
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building cities and for farming. This is hurting our atmosphere and our animals‚ trees and etc. Weather related disaster is also a biggie in climate change. The three main factors are drought‚ flooding‚ and storms. Drought is caused by lack of precipitation over a long time. Without the rain‚ serious problems happen to the environment and people. Flooding is when the heavy rain overflows the river that also can
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A natural disaster is the effect of a natural hazard. Bangladesh‚ a country in southern Asia that is home to 140 million people‚ is widely known as a land of natural disasters. It is highly vulnerable to floods‚ famine‚ drought‚ earthquake‚ cyclones‚ and river erosions. Due to the effects of these disasters‚ the country is now permanently in distress. These disasters have become regular phenomena and have been causing suffering to millions of residents for many decades. Natural Disasters are occurring
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