Aim: To determine the rate law of chemical reactions Introduction: The aqueous solution of potassium peroxydisulphate can oxidize potassium iodide as follow: Equation: K S 0 (aq) + 2KI (aq)->2K S0 (aq)+I (aq) 2 2 8 2 4 2 KI(aq) +I (aq) -> KI (aq) 2 3 _________________________________________________ K S 0 (aq) +3KI(aq) -> 2K S0 (aq)+ KI (aq) 2 2 8 2 4 2 The rate law of this reaction can be represented as follow: Rate=k[S208 2-]^a [I-]^b When the concentration of peroxydisulphate ions
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How Primary Structure Determines Protein Function Proteins are everywhere. As enzymes‚ they catalyse chemical reactions. There are many different types of proteins: carrier and channel proteins which transport substances‚ receptor proteins which are recognition site for antibodies and hormones‚ structural proteins which support cells and tissues‚ and hormones which transmit information. Proteins are big molecules with large molecular masses that are made up of many amino acids; they’re‚ essentially
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Objective: To define a method to “Determine the effect and site of action of strychnine”. Requirements: Apparatus: * Beakers. * Syringe. * Mask. * Gloves. Subject: * Healthy Frog. Scope: Strychnine is highly toxic‚colorless‚crystalline alkaloid cause killing of small vertebrates e.g‚ dogs‚rodents because its site of action is spinal cord. Symptoms of severity: Severe nausea and vomiting ‚convulsions of
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#9: Irrational or Not: Problem: Determine if each of the following numbers is rational or irrational. √16/20‚ √12/7.5‚ -147‚ 0‚ √3/3 Solution: √16/20 is irrational because its decimal is non-repeating and never ending. √12/7.5 is irrational because its decimal is non-repeating and never ending. 147 is rational because it can become a fraction 0 is rational because it can be written as a fraction √3/3 is irrational because if you take the square root of a
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notify a parent or guardian of the juvenile’s whereabouts and status as soon as possible. • Detecitves should test limits regarding authority‚ mental culpability‚ educational skills‚ life experience‚ and overall decision making skills in order to determine the juvenile’s vulnerability. • Prior to questioning juvenile suspects‚ detectives should advised each individual of his or her consitutional rights‚ other applicable
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Ratio Analysis to Determine Corporate Health; Exxon Mobile Corp & BP Petroleum Financial statement analysis centers on one or more aspects of a company’s financial state and performance (Wild‚ 2011‚ p.565). According to Wild‚ there are four areas of inquiry that must be given emphasis to when completing a financial analysis (2011‚ p. 565). These four areas include: (1) liquidity‚ (2) solvency‚ (3) profitability‚ and (4) market prospects (Wild‚ 2011‚ pp. 565-582). A ratio analysis expresses a mathematical
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Chemical reactions proceeding until all the reactants are used is a common misconception. Chemical reactions actually behave differently. The general reaction equation is a A + b B → c C +d D in this equation A and B are the reactants forming the products C and D. However‚ unlike the common thought that the reaction ends when it runs out of A and B it actually does not. In most reactions C and D start to react to form A and B at a certain point as you can see in the equation c C + d D → a A + b
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Title To determine the half-life of beer foam Purpose In this experiment‚ we will make the bear foam as much as possible by pouring fast and using warm beer and try to estimate the half-life of beer foam based on the changing of height while the foam is collapsing. Theory A quantity is said to be subject to exponential decay if it decreases at a rate proportional to its value. Symbolically‚ this process can be expressed by the following differential equation‚ where N is the quantity and λ (lambda)
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Practical 6 -Determining the Gas Constant Aim: To verify the gas constant as 8.31 J/mol/K ( ) and to calculate the molar mass of butane. Theory: The ideal gas law‚ PV=nRT‚ is used to model an ideal gas‚ which is a gas with no intermolecular forces other than those of collisions‚ perfectly spherical and elastic particles. Although an ideal gas is a theoretical model and so cannot exist in practice‚ most gases behave fairly similarly to an ideal gas. Gases behave more like an ideal gas when they are
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The average variable cost (AVC) in the short run and long run is ‘U’ shaped. Average variable cost is the total variable cost per unit of output‚ found by dividing total variable cost by the quantity of output. Thus if a firm produces X2 units of a commodity at a total variable cost of TVx2 the AVC of producing these two units of output is given as Average variable cost decreases with additional production at relatively small quantities of output and then eventually increases with relatively
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