(a)
Interpretation:
To determine the chemical equation for the reaction where lithium carbonate gets decomposed.
Concept introduction:
A chemical equation refers to the symbolic representation of a given
(b)
Interpretation:
To determine the chemical equation for the reaction in which calcium carbonate reacts with hydrochloric acid.
Concept introduction:
A chemical equation refers to the symbolic representation of a given chemical reaction in the form of formulae and symbols where the product entities are present on the right hand side of the chemical equation while the reactant entities are present on the left hand side of the chemical equation.
(c)
Interpretation:
To determine the chemical equation for the reaction where Aluminum is made to react with sodium hydroxide.
Concept introduction:
A chemical equation refers to the symbolic representation of a given chemical reaction in the form of formulae and symbols where the product entities are present on the right hand side of the chemical equation while the reactant entities are present on the left hand side of the chemical equation.
(d)
Interpretation:
To determine the chemical equation for the reaction in which barium oxide reacts with water.
Concept introduction:
A chemical equation refers to the symbolic representation of a given chemical reaction in the form of formulae and symbols where the product entities are present on the right hand side of the chemical equation while the reactant entities are present on the left hand side of the chemical equation.
(e)
Interpretation:
To determine the chemical equation for the reaction in which sodium peroxide reacts with carbon dioxide gas.
Concept introduction:
A chemical equation refers to the symbolic representation of a given chemical reaction in the form of formulae and symbols where the product entities are present on the righthand side of the chemical equation while the reactant entities are present on the left hand side of the chemical equation.
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Chapter 21 Solutions
GENERAL CHEMISTRY-SOLUTIONS MANUAL
- The reaction of quicklime, CaO, with water produces slaked lime, Ca(OH)2, which is widely used in the construction industry to make mortar and plaster. The reaction of quicklime and water is highly exothermic: CaO(s)+H2O(l)Ca(OH)2(s)H=350kJmol1 (a) What is the enthalpy of reaction per gram of quicklime that reacts?. (b) How much heat, in kilojoules, is associated with the production of 1 ton of slaked lime?arrow_forwardElectrolysis of strontium chloride gives strontium metal and chlorine gas. What mass of the chloride must be electrolyzed to form one liter of Cl2 (g)at standard temperature and pressure?arrow_forwardConsider the reaction: CH 4( g) + 2O 2( g) → CO 2( g) + 2H 2O( g) Which of the following statements is correct? Oxygen is the reducing agent. The reaction is not an oxidation-reduction reaction. Oxygen is oxidized. Carbon is oxidized. Carbon is the oxidizing agent.arrow_forward
- What is the enthalpy of formation of the reactants? Enh = 2 ( -268.8 ) + 25 ( 0 ) =arrow_forwardWhat is the enthalpy change if 45.0 g of CaO is allowed to react with an excess of carbon?arrow_forwardWhat is the enthalpy change for the following chemical reaction in kJ/mol: ½ O2(g) + H2(g) → H2O(g)?arrow_forward
- Calculate the enthalpy of reaction of the following equation: NaOH(s)+aq=Na(aq)+OH^-, NaHCO3(s)+aq=Na(aq)+HCO3^-,arrow_forwardComplete and balance the following equations. Write the entire equation, including the reactants and products, and include the physical state of each species. (a) K(s) + H2O(l)→ (b) NaH(s) + H2O(l)→arrow_forwardWrite a balanced chemical equation for the incomplete combustion of methane to produce CO(g) as the only carbon-containing productarrow_forward
- Write the chemical formula for cesium acetatearrow_forwardWrite balanced chemical equations for the following chemical reactions. Sodium metal reacts rapidly with water to form sodium hydroxide and hydrogen gas.arrow_forwardWhen boron hydrides burn in air, the reactions are very exothermic (a) Write a balanced equation for the combustion of B5H9(g) in air to give B2O3(s) and H2O(g). (b) Calculate the enthalpy of combustion for B5H9(g) (fH = 73.2 kJ/mol), and compare it with the enthalpy of combustion of B2H6 (2038 kJ/mol). (The enthalpy of formation of B2O3(s) is 1271.9 kJ/mol.) (c) Compare the enthalpy of combustion of C2H6(g) with that of B2H6(g). Which transfers more energy as heat per gram?arrow_forward
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