Concept explainers
(a)
Interpretation:
The formula and the name of the compound which is formed after the reaction of potassium with nitrogen should be determined.
Concept introduction:
A compound refers to a substance which contains definite proportion of two or more elements joined together through
(b)
Interpretation:
The formula and the name of the compound which is formed after the reaction of potassium with iodine should be determined.
Concept introduction:
A compound refers to a substance which contains a definite proportion of two or more elements joined together through chemical bonds. A chemical formula depicts the number of atoms of each element present in a compound. It consists of symbols of each of the atoms present in the given compound as well as how many atoms of each element are present in the compound are denoted by a subscript.
(c)
Interpretation:
The formula and the name of the compound which is formed after the reaction of potassium with water should be determined.
Concept introduction:
A compound refers to a substance which contains definite proportion of two or more elements joined together through chemical bonds. A chemical formula depicts the number of atoms of each element present in a compound. It consists of symbols of each of the atoms present in the given compound as well as how many atoms of each element are present in the compound are denoted by a subscript.
(d)
Interpretation:
The formula and the name of the compound which is formed after the reaction of potassium with hydrogen should be determined.
Concept introduction:
A compound refers to a substance which contains definite proportion of two or more elements joined together through chemical bonds. A chemical formula depicts the number of atoms of each element present in a compound. It consists of symbols of each of the atoms present in the given compound as well as how many atoms of each element are present in the compound are denoted by a subscript.
(e)
Interpretation:
The formula and the name of the compound which is formed after the reaction of potassium with sulfur should be determined.
Concept introduction:
A compound refers to a substance which contains definite proportion of two or more elements joined together through chemical bonds. A chemical formula depicts the number of atoms of each element present in a compound. It consists of symbols of each of the atoms present in the given compound as well as how many atoms of each element are present in the compound are denoted by a subscript.
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Chapter 20 Solutions
Chemistry: Principles and Reactions
- Iodine can be prepared by allowing an aqueous solution of hydrogen iodide to react with manganese dioxide, MnO2. The reaction is 2I(aq)+4H+(aq)+MnO2(s)Mn2+(aq)+2H2O+I2(s) If an excess of hydrogen iodide is added to 0.200 g of MnO2, how many grams of iodine are obtained, assuming 100% yield?arrow_forwardWhat volume of 0.200 M NaOH is necessary to neutralize the solution produced by dissolving 2.00 g of PCl3 is an excess of water? Note that when H3PO3 i5 titrated under these conditions, only one proton of the acid molecule reacts.arrow_forwardWrite chemical equations for each of the following chemical and physical processes: (a) Neutralization of an aqueous solution of barium hydroxide by the hydronium ion (b) Reaction of 1 mole of aluminum with I2(s) to form aluminum iodide (c) Conversion of 1 mole of O2(g) to O3(g)arrow_forward
- Phosphoric acid, one of the acids used in some cola drinks, is produced by the reaction of phosphorus(V) oxide, an acidic oxide, with water. Phosphorus(V) oxide is prepared by the combustion of phosphorus.(a) Write the empirical formula of phosphorus(V) oxide.(b) What is the molecular formula of phosphorus(V) oxide if the molar mass is about 280.(c) Write balanced equations for the production of phosphorus(V) oxide and phosphoric acid.(d) Determine the mass of phosphorus required to make 1.00 × 104 kg of phosphoric acid, assuming a yield of 98.85%.arrow_forward7. (a) Write a complete, balanced chemical equation to show how sodium carbonate removes calcium ions and magnesium ions irom hard water.arrow_forwardA sample of 70.5 mg of potassium phosphate is added to 15.0 mL of 0.050 M silver nitrate, resulting in the formation of aprecipitate. (a) Write the molecular equation for the reaction. (b) What is the limiting reactant in the reaction? (c) Calculatethe theoretical yield, in grams, of the precipitate that forms.arrow_forward
- Write equations for the following reactions:(i) Dilute sulphuric acid reacts with zinc granules(ii) Dilute hydrochloric acid reacts with magnesium ribbon.(iii) Dilute sulphuric acid reacts with aluminum powder.arrow_forwardMost abundant metal on the surface of the earth:(a) Iron(b) Aluminium(c) Calcium(d) Sodiumarrow_forwardWrite a balanced equation for (a) the combination reaction between lithium metal and fluorine gas and (b) the decompositionreaction that occurs when solid barium carbonate is heated (two products form, a solid and a gas).arrow_forward
- Name the products formed in each case when(a) hydrochloric acid reacts with caustic soda.(b) granulated zinc reacts with caustic soda.(c) carbon dioxide is passed into lime water.arrow_forwardWrite a balanced equation for the reaction of elemental strontium with each of the following:(a) oxygen(b) hydrogen bromide(c) hydrogen(d) phosphorus(e) waterarrow_forwardWrite a formula for the compound that forms from potassiumand (a) acetate (b) chromate (c) phosphate (d) cyanidearrow_forward
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