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(a)
Interpretation:
The number of grams of product at the given condition of
Concept Introduction:
In any
(b)
Interpretation:
The number of grams of product at the given condition of
Concept Introduction:
In any chemical reaction, new substances are produced by combining two or more substances with each other or by breaking down one substance into many.This type of chemical reaction is following the law of conservation of mass and it needs to be balanced. In any balanced equation, limiting reactant is a reactant that generally is completely used and no excess quantity of it is left behind after the production of products.
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Chapter 5 Solutions
Loose Leaf for General, Organic and Biological Chemistry with Connect 2 Year Access Card
- A lead ore, galena, consisting mainly of lead(II) sulfide, is the principal source of lead. To obtain the lead, the ore is first heated in the air to form lead oxide. PbS(s)+32 O2(g)PbO(s)+SO2(g)H=415.4kJ The oxide is then reduced to metal with carbon. PbO(s)+C(s)Pb(s)+CO(g)H=+108.5kJCalculate H for the reaction of one mole of lead(II) sulfide with oxygen and carbon, forming lead, sulfur dioxide, and carbon monoxide.arrow_forwardQuicklime, the common name for calcium oxide, CaO, is made by heating limestone, CaCO3, in slowly rotating kilns, which are a type of oven. The reaction is CaCO3(s)+178kJCaO(s)+CO2(g). What quantity of energy in kilojoules is required to decompose 5.80kg of limestone?arrow_forwardSuppose you want to use acetylene (C2H2) as a fuel. You have a cylinder that contains 5.00102g of C2H2 and a cylinder that contains 2.00103g of oxygen (O2). Do you have enough oxygen to burn all the acetylene? The equation for the reaction is 2C2H2(g)+5O2(g)4CO2(g)+2H2O(g)arrow_forward
- The thermite reaction combines aluminum powder and iron oxide and ignites the mixture to make aluminum oxide and iron. So much energy is given off that the iron productfrequently is molten. Write a balanced chemical reaction for the thermite process and determine its H(25C).arrow_forwardCarbon disulfide burns in air, producing carbon dioxide and sulfur dioxide. CS2(l)+3O2(g)CO2(g)+2SO2(g);H=1077kJ What is H for the following equation? 12CO2(g)+SO2(g)12CS2(l)+32O2(g)arrow_forwardThe excess reactant will determine the potential maximum amount of products formed in a reaction True or falsearrow_forward
- 4. For the following solution, the mass of solute is given, followed by the total volume of the solution prepared. Calculate the molarity of this solution: 8.55 g KBr; 142.0 mL SHOW WORKarrow_forwardUsing the following image with the respective given. What is the limiting reactant in this equation? With work.arrow_forwardIn a combustion reaction, one of the reactants is alwaysarrow_forward
- Which of the following factors can be a reason for a percentage yield to be low? 1. Reactant impurities exist 2.The temperature of the reaction vessel is too low 3.The reaction has not been given enough time to go completion. 4.Two of the above factors can be a reason 5.All three of the above factors can be a reasonarrow_forwardDecomposition definitionarrow_forwardInterpret the following equation for a chemical reaction using the coefficients given:H2(g) + F2(g) 2 HF(g)On the molecular level: of H2(g) reacts with of F2(g) to form of HF(g).On the macroscopic level:One mole of H2(g) reacts with of F2(g) to form of HF(g).arrow_forward
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