Problem 1.1. Recall the convention from chemistry in labelling atoms: a small letter after a capital letter belongs to the capital letter, e.g., Pb is a single atom whereas NO3 refers to the molecule consisting of one atom N and three atoms O. For each of the following chemical equations, write down a linear system whose solutions are the amounts of each molecule so that the reaction is balanced. (You don't need to solve the systems.) (a) Pb(NO3)2 + NaCl → PbCl₂ + NaNO3 (b) C₂H₂Cl + Ca(OH)2 → C2HCl3 +CaCl2 + H₂O

Problem 1.1. Recall the convention from chemistry in labelling atoms: a small letter after a capital letter belongs to the capital letter, e.g., Pb is a single atom whereas NO3 refers to the molecule consisting of one atom N and three atoms O. For each of the following chemical equations, write down a linear system whose solutions are the amounts of each molecule so that the reaction is balanced. (You don't need to solve the systems.) (a) Pb(NO3)2 + NaCl → PbCl₂ + NaNO3 (b) C₂H₂Cl + Ca(OH)2 → C2HCl3 +CaCl2 + H₂O

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Concept explainers

Mole Concept

Mole concept is a method to determine the amount of any substance that consists of some elemental particles using a grouping unit called ‘mole’. The mole concept enables one to handle the large amount of small elementary particles. The mole concept can be used in many calculations related to mole calculation, molar amount, mole ratio, and so on, which are significant in chemistry.

Question

Problem 1.1. Recall the convention from chemistry in labelling atoms: a
small letter after a capital letter belongs to the capital letter, e.g., Pb is a
single atom whereas NO3 refers to the molecule consisting of one atom N and
three atoms O. For each of the following chemical equations, write down a
linear system whose solutions are the amounts of each molecule so that the
reaction is balanced. (You don't need to solve the systems.)
(a) Pb(NO3)2 + NaCl → PbCl2 + NaNO3
(b) C₂H₂Cl + Ca(OH)2 → C₂HCl3 +CaCl2 + H₂O

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