Principles of Modern Chemistry
8th Edition
ISBN: 9781305079113
Author: David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher: Cengage Learning
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Chapter 2, Problem 16P
At its boiling point (280°C) and at atmospheric pressure, phosphorus has a gas density of
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Chapter 2 Solutions
Principles of Modern Chemistry
Ch. 2 - A newly synthesized compound has the molecular...Ch. 2 - Acetaminophen is the generic name of the pain...Ch. 2 - Arrange the following compounds from left to right...Ch. 2 - Arrange the following compounds from left to right...Ch. 2 - “Q-gas” is a mixture of 98.70% helium and 1.30%...Ch. 2 - A pharmacist prepares an antiulcer medicine by...Ch. 2 - Zinc phosphate is used as a dental cement. A...Ch. 2 - Bromoform is 94.85% bromine, 0.40% hydrogen, and...Ch. 2 - Fulgurites are the products of the melting that...Ch. 2 - A sample of a “suboxide” of cesium gives up...
Ch. 2 - Barium and nitrogen form two binary compounds...Ch. 2 - Prob. 12PCh. 2 - Prob. 13PCh. 2 - Prob. 14PCh. 2 - The empirical formula of a gaseous fluorocarbon is...Ch. 2 - At its boiling point (280°C) and at atmospheric...Ch. 2 - A gaseous binary compound has a vapor density that...Ch. 2 - A gaseous binary compound has a vapor density that...Ch. 2 - Prob. 19PCh. 2 - Prob. 20PCh. 2 - For each of the following chemical reactions,...Ch. 2 - Prob. 22PCh. 2 - An 18.6-g sample of K2CO3 was treated in such a...Ch. 2 - Prob. 24PCh. 2 - Disilane (Si2H6) is a gas that reacts with oxygen...Ch. 2 - Tetrasilane (Si4H10) is a liquid with a density of...Ch. 2 - Cryolite (Na3AlF6) is used in the production of...Ch. 2 - Carbon disulfide (CS2) is a liquid that is used in...Ch. 2 - Potassium nitrate (KNO3) is used as a fertilizer...Ch. 2 - Elemental phosphorus can be prepared from...Ch. 2 - An element X has a dibromide with the empirical...Ch. 2 - An element A has a triiodide with the formula AI3...Ch. 2 - A mixture consisting of only sodium chloride...Ch. 2 - A mixture of aluminum and iron weighing 9.62 g...Ch. 2 - When ammonia is mixed with hydrogen chloride...Ch. 2 - The poisonous gas hydrogen cyanide (HCN) is...Ch. 2 - The iron oxide Fe2O3 reacts with carbon monoxide...Ch. 2 - Titanium dioxide, TiO2 , reacts with carbon and...Ch. 2 - Human parathormone has the impressive...Ch. 2 - A white oxide of tungsten is 79.2976% tungsten by...Ch. 2 - A dark brown binary compound contains oxygen and...Ch. 2 - A binary compound of nickel and oxygen...Ch. 2 - Two binary oxides of the element manganese...Ch. 2 - A possible practical way to eliminate oxides of...Ch. 2 - Aspartame (molecularformula C14H18N2O5 ) is a...Ch. 2 - Prob. 46APCh. 2 - Prob. 47APCh. 2 - Citric acid (C6H8O7) is made by fermentation of...Ch. 2 - Prob. 49APCh. 2 - A sample of a substance with the empirical formula...Ch. 2 - A newspaper article about the danger of global...Ch. 2 - In the Solvay process for producing sodium...Ch. 2 - A yield of 3.00gKClO4 is obtained from the...Ch. 2 - Prob. 54APCh. 2 - Silicon nitride (Si3N4) , a valuable ceramic, is...
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- Given that the density of argon is 1.78 g/L under standard conditions of temperature and pressure, how many argon atoms are present in a room with dimensions 4.0 m 5.0 m 2.4 m that is filled with pure argon under these conditions of temperature and pressure?arrow_forwardWhen calcium carbonate is heated strongly, it evolves carbon dioxide gas. CaCO3(s)CaO(s)+CO2(g) 25 g of CaCO3 is heated, what mass of CO2would be produced? What volume would this quantity of CO2 (CU at STP?arrow_forwardA power plant is driven by the combustion of a complex fossil fuel having the formula C11H7S. Assume the air supply is composed of only N2 and O2 with a molar ratio of 3.76:1.00, and the N2 remains unreacted. In addition to the water produced, the fuels C is completely combusted to CO2 and its sulfur content is converted to SO2. In order to evaluate gases emitted at the exhaust stacks for environmental regulation purposes, the nitrogen supplied with the air must also be included in the balanced reactions. a Including the N2 supplied m the air, write a balanced combustion equation for the complex fuel assuming 100% stoichiometric combustion (i.e., when there is no excess oxygen in the products and the only C-containing product is CO2). Except in the case of N2, use only integer coefficients. b Including N2 supplied in the air, write a balanced combustion equation for the complex fuel assuming 120% stoichiometric combustion (i.e., when excess oxygen is present in the products and the only C-containing product is CO2). Except in the case of use only integer coefficients c Calculate the minimum mass (in kg) of air required to completely combust 1700 kg of C11H7S. d Calculate the air/fuel mass ratio, assuming 100% stoichiometric combustion. e Calculate the air/fuel mass ratio, assuming 120% stoichiometric combustion.arrow_forward
- How many minutes will it take for the quantity of N2O5 to drop to 1.7×10−2 mol ? Express your answer using two significant figures.arrow_forwardConsider the following data gathered in the "Molar Mass of a Gas" experiment. * Mass of the empty reaction test tube: _____27.54_____ g * Mass of the test tube and MnO2 used in the reaction: ____28.04___ g * Mass of the test tube, KClO3 (MM = 122.55 g/mol) and MnO2 used in the reaction: ____29.31___ g * Mass of the test tube and its contents after the reaction: ____ (2.87x10^1) _____ g * Volume of the bubble of oxygen generated in the experiment: ___356___ mL * Atmospheric pressure in the lab: ______766.06______ mm Hg * Vapor pressure at reaction temperature: _____18.6_____ m Hg Calculate the mass of oxygen generated in the reactionarrow_forward4) Using the density of argon= 1.54 g/L, how many argon atoms are present in a room with dimensions of 4.0 m x 5.0 m x 2.4 m that is filled with pure argon under these conditions?arrow_forward
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