Chemistry: The Central Science Plus Mastering Chemistry with Pearson eText -- Access Card Package (14th Edition)
14th Edition
ISBN: 9780134292816
Author: Theodore E. Brown, H. Eugene LeMay, Bruce E. Bursten, Matthew E. Stoltzfus
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Textbook Question
thumb_up100%
Chapter 7, Problem 113IE
When magnesium metal is burned in air (Figure 3.6 ), two products are produced. One is magnesium oxide, MgO. The other is the product of the reaction of Mg with molecular nitrogen, magnesium nitride. When water is added to magnesium nitride, it reacts to form magnesium oxide and ammonia gas. (a) Based on the charge of the nitride ion (Table 2.5 ), predict the formula of magnesium nitride. (b) Write a balanced equation for the reaction of magnesium nitride with water. What is the driving force for this reaction? (c) In an experiment, a piece of magnesium ribbon is burned in air in a crucible. The mass of the mixture of MgO and magnesium nitride after burning is 0.470 g. Water is added to the crucible, further reaction occurs, and the crucible is heated to dryness until the final product is 0.486 g of MgO. What was the mass percentage of magnesium nitride in the mixture obtained after the initial burning? (d) Magnesium nitride can also be formed by reaction of the metal with ammonia at high temperature. Write a balanced equation for this reaction. If a 6.3-g Mg ribbon reacts with 2.57 g NH3(g) and the reaction goes to completion, which component is thelimiting reactant? What mass of H2 (g) is formed in the reaction? (e) The standard enthalpy of formation of solid magnesium nitride is -461.08 kJ/mol. Calculate the standard enthalpy change for the reaction between magnesium metal and ammonia gas.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
Chlorine reacts with oxygen to form Cl2O7. (a) What is the name of this product (see Table 2.6)? (b) Write a balanced equation for the formation of Cl2O7(l) from the elements. (c) Under usual conditions, Cl2O7 is a colorless liquid with a boiling point of 81℃. Is this boiling point expected or surprising? (d) Would you expect Cl2O7 to be more reactive toward H+(aq) or OH− (aq)? Explain. (e) If the oxygen in Cl2O7 is considered to have the -2 oxidation state, what is the oxidation state of the Cl? What is the electron configuration of Cl in this oxidation state?
When magnesium metal is burned in air (Figure 3.6), twoproducts are produced. One is magnesium oxide, MgO. Theother is the product of the reaction of Mg with molecularnitrogen, magnesium nitride. When water is added to magnesiumnitride, it reacts to form magnesium oxide and ammoniagas. (a) Based on the charge of the nitride ion (Table2.5), predict the formula of magnesium nitride. (b) Write abalanced equation for the reaction of magnesium nitridewith water. What is the driving force for this reaction? (c) Inan experiment, a piece of magnesium ribbon is burned in airin a crucible. The mass of the mixture of MgO and magnesiumnitride after burning is 0.470 g. Water is added to thecrucible, further reaction occurs, and the crucible is heated todryness until the final product is 0.486 g of MgO. What wasthe mass percentage of magnesium nitride in the mixture obtainedafter the initial burning? (d) Magnesium nitride canalso be formed by reaction of the metal with ammonia at hightemperature.…
(b) A new element, "X", is discovered and found to have 2 electrons in its outer level.
Is X a metal or non-metal? Predict the formula its ion would have in any ionic
compounds it forms.
Chapter 7 Solutions
Chemistry: The Central Science Plus Mastering Chemistry with Pearson eText -- Access Card Package (14th Edition)
Ch. 7.3 - Hypothetical elements X and Y form a molecule XY2,...Ch. 7.3 - Prob. 7.1.2PECh. 7.3 - Prob. 7.2.1PECh. 7.3 -
Arrange Be, C, K, and Ca in order of increasing...Ch. 7.3 - Arrange the following atoms and ions in order of...Ch. 7.3 - Prob. 7.3.2PECh. 7.3 - Prob. 7.4.1PECh. 7.3 - Prob. 7.4.2PECh. 7.4 - Prob. 7.5.1PECh. 7.4 - Prob. 7.5.2PE
Ch. 7.4 - Consider the following statements about first...Ch. 7.4 - Prob. 7.6.2PECh. 7.4 - Prob. 7.7.1PECh. 7.4 -
Write the electron configurations for (a) Ga3+...Ch. 7.6 - Prob. 7.8.1PECh. 7.6 - Prob. 7.8.2PECh. 7.6 - Prob. 7.9.1PECh. 7.6 - Prob. 7.9.2PECh. 7.7 - Prob. 7.10.1PECh. 7.7 - Prob. 7.10.2PECh. 7 - Prob. 1DECh. 7 - Prob. 1ECh. 7 -
7.2 Which of these spheres represents F, which...Ch. 7 - Prob. 3ECh. 7 - Prob. 4ECh. 7 - Prob. 5ECh. 7 - Prob. 6ECh. 7 - Prob. 7ECh. 7 - Prob. 8ECh. 7 - Prob. 9ECh. 7 - Prob. 10ECh. 7 - Prob. 11ECh. 7 -
7.12 Moseley's experiments on X rays emitted from...Ch. 7 - Among elements 1-18, which element or elements...Ch. 7 - Prob. 14ECh. 7 - Detailed calculations show that the value of Zeff...Ch. 7 - Detailed calculations show that the value of Zeff...Ch. 7 - Which will experience the greater effective...Ch. 7 - Arrange the following atoms in order of increasing...Ch. 7 - Prob. 19ECh. 7 - Prob. 20ECh. 7 - Tungsten has the highest melting point of any...Ch. 7 - Prob. 22ECh. 7 - Estimate the As-I bond length from the data in...Ch. 7 - Prob. 24ECh. 7 - Using only the periodic table, arrange each set of...Ch. 7 - Using only the periodic table, arrange each set of...Ch. 7 - Prob. 27ECh. 7 - Prob. 28ECh. 7 - Which neutral atom is isoelectronic with each of...Ch. 7 - Some ions do not have a corresponding neutral atom...Ch. 7 - Consider the isoelectronic ions F- and Na+. (a)...Ch. 7 - Prob. 32ECh. 7 - Prob. 33ECh. 7 - Arrange each of the following sets of atoms and...Ch. 7 - Prob. 35ECh. 7 - In the ionic compoundsLiF,NaCI,KBr, andRbl, the...Ch. 7 - Prob. 37ECh. 7 -
7.38 Write equations that show the process for...Ch. 7 - Prob. 39ECh. 7 - Prob. 40ECh. 7 - Prob. 41ECh. 7 - (a) What is the trend in first ionization energies...Ch. 7 - Prob. 43ECh. 7 - Prob. 44ECh. 7 - Prob. 45ECh. 7 - Prob. 46ECh. 7 - Prob. 47ECh. 7 - Prob. 48ECh. 7 - Write an equation for the second electron affinity...Ch. 7 - If the electron affinity for an element is a...Ch. 7 - Prob. 51ECh. 7 -
7.52 What is the relationship between the...Ch. 7 - Prob. 53ECh. 7 - Consider the following equation: Ca + (g) + e-...Ch. 7 -
7.55(a) Does metallic character increase,...Ch. 7 - Prob. 56ECh. 7 - Prob. 57ECh. 7 - Prob. 58ECh. 7 - Predict whether each of the following oxides is...Ch. 7 - Prob. 60ECh. 7 - Would you expect manganese(II) oxide, MnO, react...Ch. 7 - Prob. 62ECh. 7 - Prob. 63ECh. 7 - An element X reacts with oxygen to form X02 and...Ch. 7 - Prob. 65ECh. 7 - Prob. 66ECh. 7 - Prob. 67ECh. 7 - Prob. 68ECh. 7 - Prob. 69ECh. 7 - Write a balanced equation for the reaction that...Ch. 7 - (a) As described in Section 7.7 , the alkali...Ch. 7 - Prob. 72ECh. 7 - Prob. 73ECh. 7 - Prob. 74ECh. 7 - Prob. 75ECh. 7 - Prob. 76ECh. 7 - Prob. 77ECh. 7 - Prob. 78ECh. 7 - Consider the stable elements through lead (Z =...Ch. 7 -
17.80]Figure 7.4 shows the radial probability...Ch. 7 - (a) If the core electrons were totally effective...Ch. 7 - Prob. 82AECh. 7 - Prob. 83AECh. 7 - Prob. 84AECh. 7 - Prob. 85AECh. 7 - The following observations are made about two...Ch. 7 - Prob. 87AECh. 7 - Prob. 88AECh. 7 - Prob. 89AECh. 7 - Prob. 90AECh. 7 - Explain the variation in the ionization energies...Ch. 7 - Prob. 92AECh. 7 - Prob. 93AECh. 7 - Prob. 94AECh. 7 - Prob. 95AECh. 7 - Prob. 96AECh. 7 - Prob. 97AECh. 7 - The electron affinities. in kJ/mol, for the group...Ch. 7 -
7.99 Hydrogen is an unusual element because it...Ch. 7 - Prob. 100AECh. 7 - Prob. 101AECh. 7 - Which of the following is the expected product of...Ch. 7 - Elemental cesium reacts more violently with water...Ch. 7 - Prob. 104AECh. 7 - Prob. 105AECh. 7 - Prob. 106AECh. 7 - Prob. 107AECh. 7 - Prob. 108AECh. 7 - Prob. 109IECh. 7 - Prob. 110IECh. 7 - Prob. 111IECh. 7 - Mercury in the environment can exist in oxidation...Ch. 7 - When magnesium metal is burned in air (Figure 3.6...Ch. 7 - Prob. 114IECh. 7 - Prob. 115IE
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.Similar questions
- Arrange the following in the order of increasing mass. (a) a potassium ion, K+ (b) a phosphorus molecule, P4 (c) a potassium atom (d) a platinum atomarrow_forward2-59 You are presented with a Lewis dot structure of element X as X.. To which two groups in the Periodic Table might this element belong?arrow_forward2-98 Explain how the ionization energy of atoms changes when proceeding down a group of the Periodic Table and explain why this change occurs.arrow_forward
- Many chemical names are similar at first glance. Give the formulas of the species in each set: (a) Ammonium ion and ammonia (b) Magnesium sulfide, magnesium sulfite, and magnesium sulfate (c) Hydrochloric acid, chloric acid, and chlorous acid (d) Cuprous bromide and cupric bromidearrow_forwardAtoms of each of the following elements are essential for life. Give the group name for the following elements:(a) chlorine(b) calcium(c) sodium(d) sulfurarrow_forward10 (c) An element T has a melting point of 30°C and a boiling point of 2440 °C. It conducts electricity at room temperature. It burns in oxygen to form an oxide with formula T₂O₂ which can react with both acids and bases. T also forms a compound with fluorine, which has a high melting point and conducts electricity in molten form. The approximate relative atomic mass of T is 70. (1) What type of oxide is T,O,? (i) Give two properties that indicate that T is probably a metal. 1. 2 (iii) Predict the formula for the fluoride of T E [1] [2] N [1] (iv) What are the products of the electrolysis of the molten fluoride of using inert electrodes? and (v) In which group and period of the Periodic Table will T be placed? group period 21 2) (vi) Write the symbol of the element in the Periodic Table which most closely resembles T.arrow_forward
- Write the formulas of the following compounds:(a) rubidium bromide(b) magnesium selenide(c) sodium oxide(d) calcium chloride(e) hydrogen fluoride(f) gallium phosphide(g) aluminum bromide(h) ammonium sulfatearrow_forward(a) What is the formula of the ionic compound expected to form between the elements aluminum and sulfur? (b) What is the formula of the compound formed between the ions SO32- and K+? (c) What ions make up the ionic compound FePO4 ? Cation formula Anion formulaarrow_forwardArrange in order of increasing nonmetallic character. (Use the appropriate <, =, or > symbol to separate substances in the list.) (a) the Period 4 elements V, Ge, and K (b) the Group 5A elements N, As, and Bi Arrange in order of increasing atomic size. (Use the appropriate <, =, or > symbol to separate substances in the list.) (a) the Period 3 elements Mg, Si, and Ar (b) the Group 2A elements Ca, Ba, and Srarrow_forward
- Write the formulas of the following compounds:(a) barium chloride(b) magnesium nitride(c) sulfur dioxide(d) nitrogen trichloride(e) dinitrogen trioxide(f) tin(IV) chloridearrow_forward1. Using the various group classifications from the periodic table, assign all appropriate labels to each of the following elements. Each element will have multiple (2 or more) answers. (a) Silver (b) Tennessine (c) Samarium (d) Antimony 2. Calculate the numbers of each type of nucleon and the number of electrons in each of the following species. (a) neodymium-149 (b) tantalum-179 (c) sellenium-79 dianion (d) krypton-85 trication 3. Write the ground-state electron configuration for the following atoms or ions. Use core notation in your electron configurations at your own discretion. (a) As (b) Au (c) Ce (d) Zn2− (e) Po4+ 4. Write an appropriate set of four quantum numbers (n, l, ms & ms) that could be representative of a valence electron in each of the following atoms or ions. (a) Bi (b) Sr (c) Mo (d) Ru2+ (e) Eu 5. In theory, there are an infinite number of energy levels and atomic orbital types that we can define using the solutions to the Schrödinger…arrow_forwardHypothetical elements X and Y form a molecule XY2, inwhich both Y atoms are bonded to atom X (and not to oneanother). The X—X distance in the elemental form of X is2.04 Å, and the Y—Y distance in elemental Y is 1.68 Å. Whatwould you predict for the X—Y distance in the XY2 molecule?(a) 0.84 Å (b) 1.02 Å (c) 1.86 Å (d) 2.70 Å (e) 3.72 Åarrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Introduction to General, Organic and BiochemistryChemistryISBN:9781285869759Author:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar TorresPublisher:Cengage Learning
Chemistry: Principles and ReactionsChemistryISBN:9781305079373Author:William L. Masterton, Cecile N. HurleyPublisher:Cengage Learning
Introduction to General, Organic and Biochemistry
Chemistry
ISBN:9781285869759
Author:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Publisher:Cengage Learning
Chemistry: Principles and Reactions
Chemistry
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:Cengage Learning
Atomic Number, Atomic Mass, and the Atomic Structure | How to Pass ChemistryThe Nucleus: Crash Course Chemistry #1; Author: Crash Course;https://www.youtube.com/watch?v=FSyAehMdpyI;License: Standard YouTube License, CC-BY