Chemical Equilibrium Conceptions

In order to begin this experiment, first one must find the balanced chemical equation for the reaction which occurs between the aluminum and copper (II) chloride. This balanced equation being 2Al(s)+3CuCl2 (aq)3Cu(s)+2AlCl3 (aq). After finding this equation, one must use the process of stoichiometry in order to find how many grams of aluminum are needed in order to produce 0.15 grams of copper. In this experiment, the purpose was to produce between 0.1 and 0.2 grams of copper, so one should attempt to produce 0.15 grams of copper seeing as it is the average of those two numbers. The first step in the stoichiometric process which one has to complete is finding how many grams of copper are in one mole of copper.

This low amount of dissolved solids makes the lake 's water, void of any other consideration, an ideal drinking

TEST: SOLUTIONS, ACIDS, AND BASES MULTIPLE CHOICE Select the answer that best completes the statement or that correctly answers the question. 1. The salt in water (only the solid) is the __________. a. Solvent c. Solute b. Solution d. Concentrate 2.

For instance, Miranda has no form of water which all living things need. On Miranda there is only ice, this would be okay if there was a way for the ice to melt into water.

Through various stylistic elements and subtle commentary, both Fahrenheit 451, by Ray Bradbury and Equilibrium, directed by Kurt Wimmer identify the causes and effects of social disintegration in a dystopian society. Resembling both similarities and differences through character motive, Societal dystopia, and overall memorandum. In both pieces of work, the protagonists are adjacent to the higher power government resulting in a rebellion for greater good. On the other hand, both characters were originally alongside the dystopian movement. Guy Montag, an indifferent firefighter, burned books in order to extinguish the artistic views and opinions of citizens.

Example Problem Stoichiometry 4NH3(g) + 6NO(g)→5N2(g) + 6H2O(g) How many moles of each reactant were there if 13.7 moles of N2(g) is produced? ×4 moles NH3(g) = 10.96 moles NH3(g)

This amount of the limiting reactant makes the amount of products formed smaller than should be. It, also, stops the reactions. The excess reaction is the reactant that is not used up completely in the reaction. Limiting reactants can be found

Introduction During this lab, students observed that not all substances dissolve at the same rate. Many factors involved including the independent and dependent variables affect how distinct substances dissolve. Overall, the chemical reaction, “the amount of reactant that changes the product in a given time”, played an important part in this experiment, when proven how a substance can change into another element by either emitting or absorbing energy. (Tro, 2018).

The limiting reagent in this lab was iron. Iron was the obvious limiting reactant because the 4.00 grams of iron was used to determine that 11.43 grams of copper sulfate would be necessary in the equation. Also, an extra 25% of copper sulfate was added to make sure there was enough copper sulfate in the reaction since it was the excess in the reaction. The theoretical yield of the reaction was 4.551 grams of copper. The theoretical yield is an amount predicted by stoichiometry and assumes that the limiting react is used completely; the yield was determined through stoichiometry by converting the amount of iron into the amount of copper in the reaction.

Finding the average mL NaOH added during the steep section of the curve. The mL are added together and then divided by the number of values used. Using stoichiometry to find the concentration of CH3COOH. The equation n =Cxv fis used to find the moles of NaOH, which can then be changed into moles of CH3COOH with a mole ratio The moles are converted into the concentration using C=n/V. Finding the concentration of H30+ by using initial pH of the equilibrium.

Distraction Versus Happiness Frequently, individuals have amusing distractions and happiness that conflict one another— moreover, individuals live in a world where enticing distraction dominates all of society. The societies in both Fahrenheit 451 and ”Equilibrium”, citizens are so focused on distractions that they do not realize that they have never been truly happy before. Kurt Wimmer’s film “Equilibrium” and Ray Bradbury’s Fahrenheit 451 demonstrate the distraction of over-stimulation from both societies prevents the citizens from realizing that they are truly unhappy. Over-stimulation causes both societies to make citizens content with what they have by having them excessively focus on nonessentials rather than what is actually occurring

Ideally, every mole of each reagent would be used up, and theoretical yield, we are assuming that every last mole of the reactants would

After the reaction is finished, the percentage composition of each element in the product can be found and used to calculate the empirical formula, which is the lowest whole number ratio

There are three major components of water potential and one of them is solute or osmotic potential (the amount by which water potential is reduced by the presence of solute

An organism which does not require water is never discovered. While some organisms require less water than others, e.g., cyanobacteria Chroococcidiopsis, for instance, requires minute quantity of water that biologists even think it may be able to survive on the arid surface of Mars. Every organism that is alive needs water to survive. In fact, without water, life on Earth would never have started. Water is also one of the reasons that there is no life on any other planet in the solar system.