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Graded AssignmentName:SCI304A: Honors Chemistry | Unit 7 | Lesson 4: Semester TestDate:Graded AssignmentSemester Test, Part 2Answer the following questions. You may use the periodic table in the Chemistry: Problems and Solutions bookfor this test. When you have finished, submit this assignment to your teacher by the due date for full credit.(5 points)1. Pentane gas (C5H12) combusts with oxygen gas (O2) to form water (H2O) and carbon dioxide(CO2). Write a balanced chemical equation for this reaction and explain the scientific principle(statement) that requires the balancing of an equation to make it conform to reality.ScoreAnswer:Place the reactants on the left side and the products on the right side of the equation.C5 H12 ( g ) O2 ( g ) H 2O(l ) CO2 ( g )To begin, balancing start with the carbon.C5 H12 ( g ) O2 ( g ) H 2O(l ) 5CO2 ( g )Then balance the hydrogen by increasing the number of waters.C5 H12 ( g ) O2 ( g ) 6H 2O(l ) 5CO2 ( g )Finally, balance the oxygen. There are 6 + 5*2 = 16 oxygens on the right. We need an equal amount on the left.C5 H12 ( g ) 8O2 ( g ) 6H 2O(l ) 5CO2 ( g )The law of cons ...


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