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- Write a balanced equation for each of the following reactions.(You may have to guess at one or more of the reaction products,but you should be able to make a reasonable guess, basedon your study of this chapter.) (a) Hydrogen selenide can beprepared by reaction of an aqueous acid solution on aluminumselenide. (b) Sodium thiosulfate is used to remove excessCl2 from chlorine-bleached fabrics. The thiosulfate ion formsSO42- and elemental sulfur, while Cl2 is reduced to Cl - .Oxalic acid C2H2O4 is a metabolic product of many molds. Although oxalic acid is toxic to humans if ingested, many plants and vegetables contain significant amounts of oxalic acid or oxalate salts. In solution, oxalic acid can be oxidized by air via the following chemical equation: H2C2O4 (aq) + O2 (g) -> H2O2 (l) + 2 CO2 (g) If a plant metabolized enough oxalic acid to produce 3.2L of CO2 on a day when the temperature was 29°C and the pressure was 752 mmHg, a) how many grams of oxalic acid were converted to CO2? b) Given that air is 21% oxygen, what volume of air was needed for the oxidation?1. How many metric tons of charcoal is required to reduce 1500 kg of arsenic trioxide?AS2O3 + C = CO + As 2. The Le Blanc Process for the manufacture of soda ash encompasses the four steps:NaCl + H2SO4 = NaHSO4 + HClNaHSO4 + NaCl = Na2SO4 + HClNa2SO4 + C = Na2S + CO2Na2S + CaCO3 = Na2CO3 + CaSHow many tonnes of soda ash are produced per 5 tonnes of salt? How many kg of C are required?
- Magnesium nitrate and barium nitrate decompose similarly on heating and the reaction can be represented as follow: M(NO3)2 (s) --› MO (s) + 2NO2 (g) + ½O2 (g), where M = Mg or Ba (a) When Group 1 nitrates (with the exception of lithium nitrate) are strongly heated, the corresponding nitrite was formed along with a colorless gas which relights a glowing splint. (i) Write a balanced equation for the thermal decomposition of potassium nitrate. (ii) Unlike other Group 1 nitrates, lithium nitrate decomposes on heating in the same way as Group 2 nitrates. Suggest a reason for the difference in behaviour, and give an equation for its decomposition. (b) Zinc carbonate and magnesium carbonate decompose when heated to give similar products. (i) Suggest an equation for the thermal decomposition of magnesium carbonate. (ii) The radius of Zn2+ cation is 0.074 nm. Use the Data Booklet to deduce whether zinc carbonate will decompose at a higher or lower temperature than magnesium carbonate. Explain…The reaction between ammonia and nitrous oxide is given below:2 NH3(g) + 3 N2O(g) 4 N2(g) + 3 H2O(g)We therefore know that which of the following reactions can also occur? 5 N2(g) + 6 H2O(l) -> 4 NH3(g) + 6 NO(g) 4 N2(g) + 3 H2O(g) -> 2 NH3(g) + 3 N2O(g) 4 NH3(g) + 6 NO(g) -> 5 N2(g) + 6 H2O(l) None of the AboveBalance the reaction between Fe2+ and MnO4- to form Fe3+ and Mn2+ in acidic solution. When you have balanced the equation using the smallest integers possible, enter the coefficients of the species shown. Fe2+ + MnO4- Fe3+ + Mn2+Water appears in the balanced equation as a fill in the blank 5 (reactant, product, neither) with a coefficient of . (Enter 0 for neither.)How many electrons are transferred in this reaction?
- We have talked about in lecture about metamorphic grade, and about the difference between progradeand retrograde mineral reactions. One such possible mineral reaction is as follows:orthoclase + sillimanite + H2O = muscovite + quartz 3a: Write a balanced chemical reaction for the above minerals, given that the formula for muscovite isK2Al6Si6O20(OH)4 3b: Indicate which reaction direction (left to right, right to left) is the prograde direction, and explainwhy you think that.4. Write a balanced equation for the following reaction: Tin (II) sulfide reacts with oxygen to form tin (II) oxide and sulfur dioxide. Group of answer choices a) 2SnS + 3O2 --> 2 SnO + 2SO2 b) TnS + 3O ----> TnO + SO2 c) 2SnS + O2 -----> 2SnO + S2O d) 2SnS + 4O ----->. 2SnO + S2OBalance the following equations and indicate whetherthey are combination, decomposition, or combustionreactions:(a) PbCO31s2¡PbO1s2 + CO21g2(b) C2H41g2 + O21g2¡CO21g2 + H2O1g2(c) Mg1s2 + N21g2¡Mg3N21s2(d) C7H8O21l2 + O21g2¡CO21g2 + H2O1g2(e) Al1s2 + Cl21g2¡AlCl31s2
- Direction: Balance the following chemical reactions. 7. COCl2 + H2O ->HCl + CO28. CS2 + O2 ->CO2 + SO29. H2SO4 + NaCN ->HCN + Na2SO4Heating MgNH4PO4 6H2O to 350ºC decomposes it to form ammonia, water, and magnesium pyrophosphate (Mg2P2O7). Balance this reaction.One day in lab, while taking apart a complicated distillation apparatus, your friend Maya (an expert chemist) says this: "Metal sulfides roasted with oxygen produce the corresponding oxide and sulfur dioxide gas." Using Maya's statement, and what you already know about chemistry, predict the products of the following reaction. Be sure your chemical equation is balanced! ZnS(s) +O2(g) ->
