Concept explainers
(a)
Interpretation: The given reaction equation has to be completed and balanced.
Concept introduction: A chemical equation consists of reactants and products. The two are separated by an arrow. Each substances of reactants and products are separated from other by a plus sign. The reactants lies on left hand side while products lies on right hand side of the reaction.
A balanced chemical equation occurs when the number of atoms in reactant side is equal to the number of atoms in the product side.
(b)
Interpretation: The given reaction equation has to be completed and balanced.
Concept introduction: A chemical equation consists of reactants and products. The two are separated by an arrow. Each substances of reactants and products are separated from other by a plus sign. The reactants lies on left hand side while products lies on right hand side of the reaction.
A balanced chemical equation occurs when the number of atoms in reactant side is equal to the number of atoms in the product side.
(c)
Interpretation: The given reaction equation has to be completed and balanced.
Concept introduction: A chemical equation consists of reactants and products. The two are separated by an arrow. Each substances of reactants and products are separated from other by a plus sign. The reactants lies on left hand side while products lies on right hand side of the reaction.
A balanced chemical equation occurs when the number of atoms in reactant side is equal to the number of atoms in the product side.
(d)
Interpretation: The given reaction equation has to be completed and balanced.
Concept introduction: A chemical equation consists of reactants and products. The two are separated by an arrow. Each substances of reactants and products are separated from other by a plus sign. The reactants lies on left hand side while products lies on right hand side of the reaction.
A balanced chemical equation occurs when the number of atoms in reactant side is equal to the number of atoms in the product side.
(e)
Interpretation: The given reaction equation has to be completed and balanced.
Concept introduction: A chemical equation consists of reactants and products. The two are separated by an arrow. Each substances of reactants and products are separated from other by a plus sign. The reactants lies on left hand side while products lies on right hand side of the reaction.
A balanced chemical equation occurs when the number of atoms in reactant side is equal to the number of atoms in the product side.
(f)
Interpretation: The given reaction equation has to be completed and balanced.
Concept introduction: A chemical equation consists of reactants and products. The two are separated by an arrow. Each substances of reactants and products are separated from other by a plus sign. The reactants lies on left hand side while products lies on right hand side of the reaction.
A balanced chemical equation occurs when the number of atoms in reactant side is equal to the number of atoms in the product side.
(g)
Interpretation: The given reaction equation has to be completed and balanced.
Concept introduction: A chemical equation consists of reactants and products. The two are separated by an arrow. Each substances of reactants and products are separated from other by a plus sign. The reactants lies on left hand side while products lies on right hand side of the reaction.
A balanced chemical equation occurs when the number of atoms in reactant side is equal to the number of atoms in the product side.
Want to see the full answer?
Check out a sample textbook solution
Chapter 21 Solutions
Chemistry & Chemical Reactivity
- Complete 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_forwardTestosterone is an anabolic steroid. The structure of testosterone is shown below. What is the idealised bond angle at the indicated atom (ii) ? Hint: atom (iv) has been completed for you as an example. (iv) bond angle: 109.5°, geometry of the electron pairs: tetrahedral, shape of the bonds: tetrahedral ·····|||I H ····||||I ii ivarrow_forwardComplete and balance the following equations. If no reac-tion occurs, write NR:(a) H₃PO4(l)+ NaI(s) → (b) Cl₂(g)+ I(aq)→ (c) Br₂(l)+ Cl(aq) → (d)ClF(g) +F₂(g) →arrow_forward
- Write an equation to show that nitrous acid , HNO2 , behaves as an acid in water.arrow_forwardGroup IIA Assignment 3 Complete and balance the following. (a) C₂H5OH + Na → (b) Na₂O₂ + CO. → (c) NaHCO3 + heat → (d) KO₂ + H₂O → (e) MgCl, + NaOH → 2017 10 DUEarrow_forwardEach of the chemically active Period 2 elements forms stable compounds in which it has bonds to fluorine. (a) What are the names and formulas of these compounds? (b) Does ∆EN increase or decrease left to right across the period? (c) Does percent ionic character increase or decrease left to right? (d) Draw Lewis structures for these compoundsarrow_forward
- Explain in detail what is the type of bonding between NA+ and Cl- ions in NaCl?arrow_forwardComplete and balance the following:(a) As(s) 1 excess O2(g)→(b) Bi(s) 1 excess F2(g) →(c) Ca3As2(s) 1 H2O(l) →arrow_forward4. The common oxidation number for an alkaline earth metal is +2. (a) Using the Born-Mayer equation (for determining the lattice enthalpy) and a Born-Haber cycle (draw it), show that CaCl is an exothermic compound (negative AHf). Make a reasonable prediction to estimate the ionic radius of Ca (explain your reasoning). The sublimation (atomization) enthalpy for Ca(s) is 178 kJ/mol. (b) Show that an explanation for the non-existence of CaCl can be found in the enthalpy change for the reaction below. The AHf for CaCl2(s) is -190.2 kcal/mol. 2 CaCl(s) → Ca(s) + CaCl2(s)arrow_forward
- (a) Which poisonous gas is evolved when white phosphorus is heated with Cone. NaOH solution? Write the chemical equation. (b) Write the formula of first noble gas compound prepared by N. Bartlett. What inspired N. Bartlett to prepare this compound? (c) Fluorine is a stronger oxidising agent than chlorine. Why? (d)Write one use of chlorine gas.arrow_forward2. Calculate AH for the reactions represented by the following equations: (a) 2 H,(g) + 0,(g)→ 2 H,O(1) (b) C(s) + 0,(g) Co,(g) (c) 2 H,O(1)→2 H,(g) + 0,(g) d) C,H,OH() + 30,(g)→2 CO, + 3 H,0(1) ->arrow_forward3. Provide the order of addition of reagents added for the following conversions in the correct order. e O₂N CH₂arrow_forward
ChemistryChemistryISBN:9781305957404Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCostePublisher:Cengage Learning
ChemistryChemistryISBN:9781259911156Author:Raymond Chang Dr., Jason Overby ProfessorPublisher:McGraw-Hill Education
Principles of Instrumental AnalysisChemistryISBN:9781305577213Author:Douglas A. Skoog, F. James Holler, Stanley R. CrouchPublisher:Cengage Learning
Organic ChemistryChemistryISBN:9780078021558Author:Janice Gorzynski Smith Dr.Publisher:McGraw-Hill Education
Chemistry: Principles and ReactionsChemistryISBN:9781305079373Author:William L. Masterton, Cecile N. HurleyPublisher:Cengage Learning
Elementary Principles of Chemical Processes, Bind...ChemistryISBN:9781118431221Author:Richard M. Felder, Ronald W. Rousseau, Lisa G. BullardPublisher:WILEY