(b) Why did his mother applied baking soda solution on the affected area? Answer: Suppose \(0.800\, mol\, \ce{H2(g)}\), \(0.900 \,mol \, \ce{I2 (g)}\), and \(0.100\, mol\, \ce{HI(g)}\) are mixed in a one liter vessel at 425 °C. 1. Neutralisation reaction. Acid + Base → Salt + Water (heat is evolved), Question 10. Question 17. 5. indicator True / False, Please refer to attached file for Acids, Bases and Salts. All acids turn blue litmus red. Answer: Question 13. In such cases, a \(Q\) calculation can be done using the initial concentrations of all species. The NATIONAL EDUCATION POLICY-2020 calls for shift towards... As a part of Shikshak Parv celebration, an online quiz competition on National Education Policy 2020 will be organized by the Ministry of Education, Govt. 2. Paheli observed that most of the fish in the pond of her village were gradually dying. This documentary is very comprehensive going to the places and people of the world to learn the importance of each of these critical elements of cooking. 5. When a reaction reaches equilibrium we can calculate the concentrations of all species, both reactants and products, by using information about starting concentrations or pressures and the numerical value of the equilibrium constant. Which acid is injected into our body by an ant sting that causes pain? China rose + acid → Give dark pink colour, hence A is an acidic solution. Answer: The study material has been carefully compiled by the best teachers in India. In the Arrhenius theory, an acid is a substance that produces \(\ce{H^{+}}\) ion in solution, and a base is a substance that produces \(\ce{OH^{-}}\) ion in solution. Sodium chloride (NaCI) + Water (Salt) Calamine can be used to treat ant’s sting. Your thoughts would be addressed here, since requirements will define the necessary outcome. (c) a salt and water, Question 3. For more information contact us at info@libretexts.org or check out our status page at https://status.libretexts.org. 11. True What is a salt? Check your final answers with a \(Q\) calculation. If \(Q < K\), then the reactant concentrations or pressures are too high and the product concentrations or pressures are too low, relative to what they would be at equilibrium. But for every mole of \(\ce{I2}\) that reacts, a mole of \(\ce{Br2}\) must also react, so \(x\) also represents the amount of \(\ce{Br2}\) consumed. requirements, budget, architecture, infrastructure. His father was out of station. (b) blue and red He remembered his teacher’s statement and gave his mother some baking soda solution Which gave her a relief from pain and irritation of stomach. If we think of a reaction equation in the usual way, with reactants on the left and products on the right, a stress to the system at equilibrium may cause either of the following: Sometimes the stress cannot be alleviated by either kind of shift, in which case the original equilibrium is maintained. Chef and food writer Samin Nosrat travels the world to explore four basic keys to wonderful cooking, serving up feasts and helpful tips along the way. There are 16 fill in blank sentences which coordinates with the documentary and one final short answer question at the end. For example, a file has the methods "open" and "close" which must only be called in that order. Salt, Fat, Acid, Heat is a paradigm introduced by Samin Nosrat as a way of describing the fundamental axioms which expert chefs use to guide their decision-making when preparing food, universally, regardless of the dish. ... Answer: Acids turn blue litmus paper red while bases turn red litmus paper blue. (a) Vinegar Acids turn blue litmus ……………… . We should take milk of magnesia as an antacid medicine to neutralise the excess acid. Question 5. Please refer to attached file for Acids, Bases and Salts. at 100 °C and \(K_p = 4.62 \,atm\). Name one acid which is responsible for acid rain. Acid can be tested in any substance by the following methods. True Reported resources will be reviewed by our team. Raising the temperature drives the endothermic process. Very solid. Question 1. Sometimes, indigestion is painful. From a UX perspective they could be Analogy, Consistency, Flow, Focus, Performance. 1. Question 6. 7: Equilibria, Equilibrium Constants and Acid-Bases (Worksheet), [ "article:topic", "showtoc:no", "transcluded:yes" ], Calculating Amounts of All Species in an Equilibrium Mixture, Understand the concept of the reaction quotient, \(Q\), as a means of determining whether or not a system is at equilibrium, and if not, how a system must proceed to reach equilibrium, Understand how to set up a calculation of all species concentrations at equilibrium, given initial concentrations and the value of the equilibrium constant, Understand how various stresses cause a shift in the position of equilibrium on the basis of LeChatelier’s Principle, Understand the Brønsted-Lowry theory of acids and bases, Understand the concepts of conjugate acid-base pairs, Be able to set up and solve for all species using \(K_c\) or \(K_p\), Be able to predict the direction of a reaction on the basis of \(Q\), Be able to check equilibrium calculation results, using a \(Q\) calculation, Be able to apply LeChatelier’s Principle to determine the direction a system at equilibrium must shift to reach a new equilibrium, Be able to calculate concentrations once equilibrium is reestablished after a stress that causes a shift from an original equilibrium, Be able to analyze acid-base reactions in terms of conjugate acid-base pairs and proton transfer, Be able to write the formula of an acid’s conjugate base or a base’s conjugate acid, \(\ce{[H2] = [I2]} = 0.360\, mol/L\), \(\ce{[HI]} = 2.50\, mol/L\), \(\ce{[H2]} = 0.120\, mol/L\), \(\ce{[I2]} = 0.560\, mol/L\), \(\ce{[HI]} = 2.20 \,mol/L\), \(\ce{[H2]} = 0.120 \,mol/L\), \(\ce{[I2]} = 0.219\, mol/L\), \(\ce{[HI]} = 1.20\, mol/L\). (Only one root will make sense for the given problem, and the other will be rejected.)
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