(a)
Interpretation:
The balanced equation for the reaction of
Concept introduction:
In a balanced equation number of atoms for every element and total charge in the reaction are same for both reactants and products.
(b)
Interpretation:
The balanced equation for the reaction
Concept introduction:
In a balanced equation, number of atoms for every element and total charge in the reaction are same for both reactants and products.
(c)
Interpretation:
The balanced equation for the reaction of
Concept introduction:
In a balanced equation, number of atoms for every element and total charge in the reaction are same for both reactants and products
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Chemistry: Principles and Reactions
- Write a balanced chemical equation for the reaction of an excess of oxygen with each of the following. Remember that oxygen is a strong oxidizing agent and tends to oxidize an element to its maximum oxidation state.(a) Mg(b) Rb(c) Ga(d) C2H2(e) COarrow_forwardThis compound is used in the preliminary treatment of municipal water supply. (A) Al2(SO4)3 (B) Na2CO3 (C) NaOCl (D) Ca(OCl)2arrow_forwardWrite a balanced equation for the reaction of elemental boron with each of the following (most of these reactions require high temperature):(a) F2(b) O2(c) S(d) Se(e) Br2arrow_forward
- Write a balanced chemical equation for the reaction thatoccurs when (a) Mg(s) reacts with Cl2(g); (b) barium carbonatedecomposes into barium oxide and carbon dioxide gaswhen heated; (c) the hydrocarbon styrene, C8H8(l), is combustedin air; (d) dimethylether, CH3OCH3(g), is combustedin air.arrow_forwardThe strongest oxidising agent is (a) F2 (b) Cl2 (c) I2 (d) Br2arrow_forwardDetermine the oxidation number of S in each of the following compounds. Write you answers on the blank spaces provided. (a) Na2S2O3 | (b) SO3-2 (c) SO2 (d) K2S2O4 (e) Al2S3 (f) BaS2O8arrow_forward
- Accounts for the following(i) Rusting of iron is quicker in saline water than in ordinary water.(ii) Blocks of magnesium are straped to the steel hubs of ocean going ships.arrow_forward(Q82) What is the oxidation number for phosphorus in each of the following? Please include the positive and negative signs as appropriate. (a) H3PO4 (b) P4 (this reflects the elemental state of phosphorus) (c) PH3 (d) PO43- (e) p3-arrow_forwardThe following reactions are all similar to those of the industrial chemicals. Complete and balance the equations for these reactions: (a) reaction of a weak base and a strong acid NH3 + HClO4 ⟶ (b) preparation of a soluble silver salt for silver plating Ag2CO3 + HNO3 ⟶ (c) preparation of strontium hydroxide by electrolysis of a solution of strontium chloride SrCl2 (aq) + H2 O(l) ⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯→arrow_forward
- In aqueous solution, hydrogen sulfide reduces (a) Fe3 + toFe2+ , (b) Br2 to Br - , (c) MnO4- to Mn2 + , (d) HNO3 to NO2.In all cases, under appropriate conditions, the product iselemental sulfur. Write a balanced net ionic equation foreach reaction.arrow_forwardConsider 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_forwardWrite balanced chemical equations for the following reactions:(a) zinc metal heated in a stream of oxygen gas(b) zinc carbonate heated until loss of mass stops(c) zinc carbonate added to a solution of acetic acid, CH3CO2H(d) zinc added to a solution of hydrobromic acidarrow_forward
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