Argon

coffin to which we do not have access, so dendrochronology can not be used. Radiocarbon dating requires an organic sample which, again, is not available and this absolute dating process is not effective for dates less than 400 years ago. Potassium-argon dating, which is used to date volcanic rocks 80,000 years old or older and uranium series dating, which is associated with travertine at least 10,000 years old are also not applicable. Fission-track dating analyzes the damage caused by the…

To me, astronomy is the study of the universe and everything in it. This includes the planets, moons, stars, comets, etc. The major difference found between Muggle astronomy and Wizarding astronomy is that the Muggle world has "laws" that explain what they see in the universe. The study of these laws of the universe in the Muggle world is called "physics". Although these laws do explain a vast majority of what the Muggles see on Earth and in the universe, it may not hold true in the Wizarding…

In a typical example, 1 g c-PEO-OH was dissolved in 30 mL anhydrous N-Methyl-2-pyrrolidone (NMP) solvent under dry argon atmosphere, to which 10 mL 2-bromoisobutyryl bromide was added at 0 °C dropwise for 30 min under vigorous stirring. The reaction mixture was then allowed to proceed at room temperature for 1 d. After that, the solution was concentrated by reduced pressure…

What are earth’s resources? 1)Water Water is an important part in the life of all living organisms on Earth. Without water, the plants would die cause of require water to make photosynthesis. Besides, the humans and animals would also die cause of thirsty. Otherwise, we use water in our daily activities such as washing hands, cooking, watering plants, bathing, washing clothes and many more. Water covers the surface of Earth by almost 71%. The water on Earth occurs in three states of matter…

CHAPTER 1 INTRODUCTION 1.1. Introduction Caprolactam (CPL) is an organic compound with the formula (CH2)5C(O)NH. This colourless solid is a lactam or a cyclic amide of caproic acid. Caprolactam was first described in the late 1800s by Gabriel and Mass, when it was prepared by the cyclization of ε-aminocaproic acid, the product of the hydrolysis of caprolactam. In the months after Schlack’s discovery the first stocking were produced from Perlon. All the Perlon produced went to the war effort.…

The periodic table had been a key factor in many ways to finding new elements, like scandium, silicon, and neon. It has shown new ways those elements could help us by predicting certain elements reactions. While Dimitri Ivanovich Mendeleev is considered to be the creator of the periodic table, there were many contributions that helped the creation of the useful graph be achieved. Between 1817 and 1829 Johann Dobereiner was grouping elements with similar properties into groups of threes,…

How has our atmosphere changed over time? Our atmosphere has changed vigorously over time. Anyway, for the past 200 million years, the atmosphere has remained the same generally. Scientists theorize that Earth’s early atmosphere was mostly created by the volcanic activity back then; they say that the volcanic activity was very intense for the first billion years on Earth. They also think that the composition of the early atmosphere was as the following: - Mainly carbon dioxide gas - Very…

The atmosphere of Venus is composed of mainly of carbon dioxide and some nitrogen, though there are trace amounts of other compounds and elements within it's atmosphere such as carbon monoxide, argon, neon, and helium. This combination of elements and compounds makes the atmospheric pressure of Venus more than ninety times heavier than the Earth's. The clouds upon Venus reflect so much of the sun's light that is impossible for human's to view…

Olympus Mons is a volcano that was found on Mars and is one of the tallest in the solar system at a height of 21 km and a diameter of 600 km. The atmosphere on Mars is thin and made mostly of carbon dioxide with trace amounts of nitrogen and argon. Mars was found to have polar ice caps and is one of the only planets, other than Earth, to have ice caps. It is thought by scientist that just under the surface of Mars is water. The structure of Mars has a crust, mantle, and a core which scientist…

Mercury:The surface geology of the planet Mercury can be very easily described as - Rocky. Because of this it bears as strong resemblance to the earths moon. This is due the the heavily cratered surface which has been caused by asteroids which has caused these giant craters in the planets surface, leaving pulverized dust and boulders behind. The reason all of the asteroids were able to hit the surface of this planet is because its magnetic field is not strong enough to deflect or slow them down…