(a)
Interpretation:
To state the balanced chemical equation for the given reaction.
Concept introduction:
A balanced
(b)
Interpretation:
To state the balanced chemical equation for the given reaction.
Concept introduction:
A balanced chemical reaction equation is the one in which the number of atoms of all the elements are equal on both the sides of the chemical equation. An oxidizing agent is the one which has the tendency to oxidize others and itself gets reduced in a chemical reaction.
(c)
Interpretation:
To state the balanced chemical equation for the given reaction.
Concept introduction:
A balanced chemical reaction equation is the one in which the number of atoms of all the elements are equal on both the sides of the chemical equation. Reduction of a chemical species is said to occur when the oxidation state of the species undergoing reduction decreases due to gain of electrons. An oxidizing agent is the one which has the tendency to oxidize others and itself gets reduced in a chemical reaction.
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Chapter 20 Solutions
Chemistry: Principles and Reactions
- Using data in Appendix 1, estimate the temperature at which Fe2O3 can be reduced to iron, using hydrogen gas as a reducing agent (assume H2O(g) is the other product).arrow_forwardXenon trioxide, XeO3, is reduced to xenon in acidic solution by iodide ion. Iodide ion is oxidized to iodine, I2. Write a balanced chemical equation for the reaction.arrow_forwardSodium perchlorate, NaClO4, is produced by electrolysis of sodium chlorate, NaClO3. If a current of 2.50 103 A passes through an electrolytic cell, how many kilograms of sodium perchlorate are produced per hour?arrow_forward
- Which is the stronger acid, H2SO4 or H2SeO4? Why? You may wish to review the Chapter on acid-base equilibria.arrow_forwardComplete and balance the following equations:(a) An active metal reacting with acid,Al(s)+HCl(aq)→ (b) A salt like (alkali metal) hydride reacting with water,LiH(s)+H2O(l)→arrow_forwardPlease Write the chemical equations for the following processes in the image below.arrow_forward
- Which of the following statements are true?(a) Both nitrogen and phosphorus can form a pentafluoridecompound.(b) Although CO is a well-known compound, SiO does notexist under ordinary conditions.(c) Cl2 is easier to oxidize than I2.(d) At room temperature, the stable form of oxygen is O2,whereas that of sulfur is S8.arrow_forwardWhy do Selenium and tellurium occur in rare minerals?arrow_forwardWhat is the formal oxidation state of chlorine in ammonium perchlorate, NH4ClO4?arrow_forward
- Consider the series of reactions to synthesize the alum (KAl(SO4 )2 · xH2O(s)) from the introduction. (a) Assuming an excess of the other reagents, from one mole of aluminum Al (s), how many moles of alum will be produced? (b) Assuming an excess of the other reagents, from one mole of potassium hydroxide KOH, how many moles of alum will be produced? (c) Assuming an excess of the other reagents, from one mole of sulfuric acid H2SO4 , how many moles of alum will be produced? (d) If you start the synthesis with 1.00 g of Al, 40.0 mL of 1.50 M KOH, and 20.0 mL of 9.00 M H2SO4 , which of the three will be the limiting reagent? (e) Assuming that the product is anhydrous (that there are no waters of hydration), calculate the theoretical yield of alum, in grams, based on the amounts of reagents in part (d). 3. Consider the nickel salt: (NH4 )2Ni(SO4 )2 ·y H2O (Ammonium Nickel Sulfate Hydrate), where y is the number of coordinated waters. (a) Assuming that the product is anhydrous (y = 0),…arrow_forwardA slag sample is known to contain all of its iron in the forms of FeO and Fe2O3. A sample of 1,000 g of the slag was dissolved in hydrochloric acid according to the usual method, then reduced with stannous chloride and finally titrated with a 0.02237 M solution of potassium permanganate, of which 28.59 mL were used. A second aliquot of the slag sample, weighing 1,500, was dissolved in a nitrogen atmosphere to further adjust the oxidation state of the iron, it was immediately titrated with the same potassium permanganate solution. If this second experiment required 15.60 mL of permanganate solution, calculate: a) The percentage of total iron in the slag. b) The percentages of the oxide FeO and Fe2O3arrow_forwardSilicon is prepared by the reduction of K₂SiF₆ with Al.Write the equation for this reaction.arrow_forward
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