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Everything posted by Chronicle
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Hash it out boys ^_^ Assumed genders... I'll get hate now :V
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The Only Thing Worse Than Writer’s Block, Chapter 1
Chronicle replied to Person_Random in Writers' Corner
Neither do I. Looks like reporters are losing ground lol, jk. -
Straight Gangsta, he will be missed. I'm not crying, there's something in my eye. Speaking of addictions, check out issue 77. #QuickPlug
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Going by the alibis, England Or France. After England's win vs Sweden, it became easier to predict. In my opinion, France will win vs Belgium. Russia and Croatia will probably tie and go to penalties, from there I don't know what happens.
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Review [Issue 77] Editorials: Addiction Unfolded
Chronicle replied to Chronicle in Newspaper Archive
Oh, why thanks neighbour, don't be a stranger now! ;) -
Review [Issue 77] Editorials: Addiction Unfolded
Chronicle replied to Chronicle in Newspaper Archive
Not sure if that's a compliment, I wrote it hoping that it would cater to everyone's style. I see it as a neutral article. What do you see? -
There's not much I can say apart from maybe developing the senses to create a vivid image, you nailed some of them, try use all of the five. It was really intriguing, hats off to you.
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Review [Issue 77] Editorials: Addiction Unfolded
Chronicle replied to Chronicle in Newspaper Archive
Thank you all! Can't take much credit though, lots of edits had to be made, so thanks to whoever did them. -
Hands down an exceptionally intriguing piece of work. Ovation. Love the humor, and above all else the historical context on some of the maps. Looks like someone's done his homework.
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You sure went all out, well written! Sadly, I'd have to MU my shaft protection to max.
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Definitely nailed it, I really loved the way you structured the story. Each paragraph almost climaxes the consecutive paragraph, couldn't stop reading it. Not sure if it ends on a cliffhanger, if it does, do tell me when the next part is coming out!
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Review [Issue 77] Examined: Matchmaking
Chronicle replied to LOLKILLERTOTHEDEATH in Newspaper Archive
Wow, that's a checkmate right there! Well written! -
Does anyone want anything on electromagnetic induction? (Physics)
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As much as I hate completing the square when a isn't 1, I disagree. If you're the type of person that loves memorizing equations, I'd suggest you paint the identities on the inside of your eyes, helps save time. Usually after a "Complete the square" question, in my specification, they ask "Hence solve" or "Otherwise, solve the equation". It simply means use the completed square to solve the equation given, and giving your answer in surd form makes it easier (in my opinion), you aren't asked to manipulate them. The unknown only appears once so you can solve it using inverse operations. Have a go at the question, there are different methods which don't require you to figure out which numbers go where. I'll show you my method after people attempt the question, would hate to ruin this... great monolith of art. Good Luck!
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Write 2x^2 + 9x + 1 in the form a(x + m)^2 + n. Hence solve 2x^2 + 9x + 1 = 0, leave your answer in surd form. (Completing the square <- The method that "should" be used)
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You speak of crazy?! My lover's got humor, she's the giggle at a funeral. Now isn't that crazy?
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Lets start with reversible reactions then work our way up to Le Chatelier's Principle. A + B C + D This equation shows a reversible reaction, the reactants (A and B )react to form the products (C and D). the products can react to form the reactants (A and B again.) As [A and B] react their concentration will fall, so the forward reaction will slow down. But as more and more products are made, their concentration rise, therefore the backward reaction will speed up. Sooner or later the forward reaction will go at the very same rate as the backwards one. The system is said to be at Equilibrium. At Equilibrium, both reactions are still happening but there is no overall effect, we call this Dynamic Equilibrium.It simply means the concentrations of the reactants and products have reached a balance and wont change. Another important fact is that Equilibrium is only reached if the reversible reaction takes place in a closed system. Lastly before we go onto Le Chatelier's principle. Reversible reactions can be Endothermic or Exothermic, when you solve a question about Equilibrium, you must identify whether it's Exothermic or Endothermic. I use the mnemonic "BMX" , Bond Making Exo. Therefore breaking bonds has to be Endothermic. Example: hydrated copper sulfate (blue) anhydrous copper sulfate (white) + water Anhydrous means without water, hydrated just means with water. This is the thermal decomposition of hydrated copper sulfate. If we heat the blue hydrated copper sulfate crystals, it drives the water off and leaves white anhydrous copper sulfate powder. This is the Endothermic direction as we are breaking the bonds by putting in heat. If we add a couple of drops of water to the white powder, we will get the blue crystals back again as shown in the equation. This is the Exothermic direction as we are making bonds. Le Chatelier's Principle is the idea that If a dynamic equilibrium is disturbed by changing the conditions, the position of equilibrium moves to counteract the change.This can be utilized to foresee the impact of any changes you make to the reaction system. Changes to the Temperature: Increasing the Temperature: You have to know whether heat is given out or retained amid the reaction. Assuming that our forward reaction is exothermic (heat is developed): 3H2 + N2 2NH3. The forward reaction is Exothermic, we are making bonds. (BMX) Lets go back to Le Chatelier's Principle, the position of Equilibrium will move in a way to counteract the change. In this case, the position of Equilibrium will move so that temperature is reduced again. But how does it cool down? Well to cool down, the reaction has to absorb the "excess" heat that has been put in. If Exothermic direction gives out heat, what absorbs heat? Endothermic direction. In this case we are looking at the backward which absorbs heat. Therefore the position of Equilibrium moves to the left to try and decrease the temperature. You'll now get more products for the endothermic reaction (N2 + 3H2) and fewer products for the Exothermic reaction (2NH3). If you aim to make more 2NH3, then increasing the temperature on a reversible reaction where the forward reaction is Exothermic, bad Idea. Decrease Temperature: This time, Equilibrium will move in a way that temperature increases again. The reaction tends to heat itself back up again to the original temperature. It does this by favouring the Exothermic reaction.Therefore the position of Equilibrium will move the right, the Exothermic direction to produce more heat. This means you'll get more products for the Exothermic reaction and fewer products for the Endothermic reaction. Summary for Temperature: If you increase the temperature of a system (in dynamic equilibrium), equilibrium will move to endothermic side to compensate. The system counteracts the change of increasing the temperature by decreasing it via absorption. If you decrease the temperature of a system (in dynamic equilibrium), equilibrium will move and favour the exothermic side to compensate. The system counteracts the change you made (decreasing the temperature) by increasing the temperature (produce more heat). Changes to Concentration: 3H2 + N2 2NH3 The reason for choosing this equation for all of the examples is because further down I will need an equation that has the same number of molecules in both sides. If we change the concentration of either the reactants or the products, the system will no longer be at Equilibrium, so the system tries to bring itself back at Equilibrium. Increase the Concentration of reactants: The system is no longer in Equilibrium, In this case the position of equilibrium will move to the right so that the concentration of N2 + 3H2 decreases again. The position of equilibrium moves to the right to produce more products, the concentration of all substances will change until equilibrium is reached again. Decrease the Concentration of products: If the concentration of 1 or both of the products decreases, Equilibrium will move so that the concentration of one or both of the products are increased again. Because we decreased the concentration of the products, the system is no longer at Equilibrium. More N2 + 3H2 will react to form 2NH3 until equilibrium is reached again, vice versa if we increase the concentration of products. Summary for Concentration: If you increase the concentration of the reactants, the system tries to decrease it by making more products. If you decrease the concentration of products, the system tries to increase it by reducing the amount of reactants, vice versa if we increase the concentration of products. Changes of Pressure: Increasing the Pressure: Changing the pressure only affects Equilibrium involving gas molecules, such as the Haber process, acid reactions... etc 3H2 + N2 2NH3 According to Le Chatelier's Principle, the position of equilibrium will move so that the pressure is reduced again, this is done when Equilibrium moves in the direction where there are fewer molecules. Increasing the pressure on a gas reaction shifts the position of equilibrium towards the side with fewer molecules. There are 4 molecules on the left, but only 2 on the right. Therefore, the Equilibrium will shift to the right, to produce more NH3. Decreasing the pressure: Similarly, Equilibrium will move in such a way that the pressure increases again. In this case decreasing the pressure will make Equilibrium move to the direction with more molecules of gas, in this case the backwards reaction, to produce more N2 + 3H2. What if there's the same number of molecules on both sides of the reaction? In that case, increasing the pressure has no effect on the position of Equilibrium, you simply have the same number of molecules on both sides, Equilibrium can't move to reduce the pressure again. Summary for Pressure: Pressure only affects an Equilibrium involving gases If you increase pressure, Equilibrium tries to reduce it by moving in the direction where there are fewer molecules of gas If you decrease the pressure, Equilibrium tries to increase it by moving in the direction where there are more molecules of gas. Explaining Le Chatelier's Principle in terms of the Haber Process: The Haber process is an important industrial technique, it produces ammonia which is used to make fertilizers. Here's the reaction used: N2(g) + 3H2(g) 2NH3(g) Luckily, the reaction is reversible. There's a compromise to be made and the industry uses Le Chatelier's Principle to maximize the yield of a reaction, they seek to improve the atom economy of the reaction to make more useful products. Using "BMX" we know that the forward reaction of this process is Exothermic. Let's start by increasing the temperature, well increasing the temperature causes Equilibrium to shift to the endothermic side, the wrong way which is away from ammonia and towards nitrogen and hydrogen. We don't want this, we want more ammonia, so the yield of ammonia would be greater at lower temperatures. But this means a slower rate of reaction, Equilibrium is reached more slowly. Using Le Chatelier's Principle, a higher pressure shifts the position of equilibrium towards the products, because there are 4 molecules on the left hand side and two molecules on the right as shown in the equation. Increasing the pressure maximizes the percentage yield, but increases the rate of reaction rather than decrease it. However there is a downside to increasing the pressure, its very expensive and dangerous to build and maintain. Lastly, adding a catalyst. Catalysts make no difference to the position of Equilibrium, this is because a Catalyst speeds up the reaction without being used up in the overall reaction, it simply isn't part of the reaction and is not included in the reaction equation. For the haber process, an iron catalyst is usually used. And a catalyst increases the rate of reaction by providing a shorter reaction pathway for the reactants, this can be shown on a reaction profile as it lowers the activation energy needed for the reactants to react. The catalyst doesn't affect the relative rates of both reactions. It just helps reach dynamic Equilibrium faster. I wasn't allowed to post pictures for some reason, so I used equations, although I believe with pictures it would have been much easier. Apologies...
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with (The single life) @Mystique and @cafy4 (Don't ask) @Deimos and @Aesthetica (Clan mates) @Deliquescence and (Obvious, No?) @Raytank7 and @Recursive (Random) @MiMs and @Batman (MiMs has a Batman obsession)
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Stephen Hawking, Louise Carol, Alexander Fleming and Carl Wilhelm Scheele. @Mystique and @Vikingsrallentando
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Tolkien's Beowulf.
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Connect 4, Parkour (Both in Tanki and Real life), I play hangman for a living, it pays of my mortgage. Intensive Reading? if that's a thing... Climbing and Hunting with an air rifle.
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