OWLV2 FOR MOORE/STANITSKI'S CHEMISTRY:
OWLV2 FOR MOORE/STANITSKI'S CHEMISTRY:
5th Edition
ISBN: 9781285460369
Author: STANITSKI
Publisher: Cengage Learning
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Chapter 4, Problem 46QRT

Calcium carbide, CaC2, is manufactured by reducing lime with carbon at high temperature. (The carbide is used in turn to make acetylene, an industrially important organic chemical.)

CaO ( s ) + 3   C ( s )   →   CaC 2 ( s ) + CO ( g )                                                                                                                                                 Δ r H ° = 464.8     kJ / mol

Is the reaction endothermic or exothermic?

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Chapter 4 Solutions

OWLV2 FOR MOORE/STANITSKI'S CHEMISTRY:

Ch. 4.1 - (a) If you eat a hot dog, it will provide 160...Ch. 4.2 - Prob. 4.1CECh. 4.2 - Prob. 4.2CECh. 4.3 - Prob. 4.3CECh. 4.3 - Prob. 4.2PSPCh. 4.4 - A piece of aluminum with a mass of 250. g is at an...Ch. 4.4 - Prob. 4.4CECh. 4.4 - Prob. 4.5CECh. 4.4 - Prob. 4.4PSPCh. 4.4 - Prob. 4.5PSP
Ch. 4.5 - Prob. 4.6PSPCh. 4.5 - Prob. 4.6ECh. 4.5 - Assume you have 1 cup of ice (237 g) at 0.0 C....Ch. 4.6 - Prob. 4.9CECh. 4.6 - Prob. 4.10CECh. 4.6 - Prob. 4.11ECh. 4.6 - The reaction enthalpy for sublimation of 1 mol...Ch. 4.6 - Prob. 4.12ECh. 4.6 - Prob. 4.8PSPCh. 4.7 - Prob. 4.13CECh. 4.7 - Prob. 4.14CECh. 4.8 - Prob. 4.9PSPCh. 4.8 - Prob. 4.15CECh. 4.8 - Prob. 4.10PSPCh. 4.8 - Prob. 4.16CECh. 4.8 - Prob. 4.17ECh. 4.9 - When iron is obtained from iron ore, an important...Ch. 4.10 - Write an appropriate thermochemical expression in...Ch. 4.10 - Prob. 4.18CECh. 4.10 - Prob. 4.13PSPCh. 4.10 - Use data from Table 4.2 to calculate the standard...Ch. 4.11 - Prob. 4.15PSPCh. 4.11 - Correlate the fuel values and caloric values...Ch. 4.11 - Prob. 4.20ECh. 4.11 - Prob. 4.21ECh. 4 - Prob. 1QRTCh. 4 - For each situation, define a system and its...Ch. 4 - What is the value of the standard formation...Ch. 4 - Prob. 4QRTCh. 4 - Prob. 5QRTCh. 4 - Name two exothermic processes and two endothermic...Ch. 4 - Prob. 7QRTCh. 4 - Prob. 8QRTCh. 4 - (a) A 2-inch piece of two-layer chocolate cake...Ch. 4 - Prob. 10QRTCh. 4 - Melting lead requires 5.50 cal/g. Calculate how...Ch. 4 - Prob. 12QRTCh. 4 - Prob. 13QRTCh. 4 - Prob. 14QRTCh. 4 - Prob. 15QRTCh. 4 - Analyze transfer of energy from one form to...Ch. 4 - Prob. 17QRTCh. 4 - Suppose that you are studying kinetic energy of...Ch. 4 - Solid ammonium chloride is added to water in a...Ch. 4 - Prob. 20QRTCh. 4 - Prob. 21QRTCh. 4 - Prob. 22QRTCh. 4 - Prob. 23QRTCh. 4 - Prob. 24QRTCh. 4 - Prob. 25QRTCh. 4 - Prob. 26QRTCh. 4 - The specific heat capacity of benzene, C6H6, is...Ch. 4 - The specific heat capacity of carbon...Ch. 4 - Prob. 29QRTCh. 4 - Prob. 30QRTCh. 4 - A piece of iron (400. g) is heated in a flame and...Ch. 4 - Prob. 32QRTCh. 4 - Prob. 33QRTCh. 4 - Prob. 34QRTCh. 4 - Prob. 35QRTCh. 4 - Prob. 36QRTCh. 4 - Prob. 37QRTCh. 4 - Prob. 38QRTCh. 4 - Prob. 39QRTCh. 4 - Calculate the quantity of heating required to...Ch. 4 - Prob. 41QRTCh. 4 - Prob. 42QRTCh. 4 - Prob. 43QRTCh. 4 - Prob. 44QRTCh. 4 - Prob. 45QRTCh. 4 - Calcium carbide, CaC2, is manufactured by reducing...Ch. 4 - Prob. 47QRTCh. 4 - Prob. 48QRTCh. 4 - Prob. 49QRTCh. 4 - Given the thermochemical expression CaO(s) + 3C(s)...Ch. 4 - Prob. 51QRTCh. 4 - Prob. 52QRTCh. 4 - Isooctane (2,2,4-trimethylpentane), one of the...Ch. 4 - Prob. 54QRTCh. 4 - Gasohol, a mixture of gasoline and ethanol,...Ch. 4 - White phosphorus, P4, ignites in air to produce...Ch. 4 - Prob. 57QRTCh. 4 - Prob. 58QRTCh. 4 - Which molecule, HF, HCl, HBr, or HI, has the...Ch. 4 - Which molecule, F2, Cl2, Br2, or I2, has the...Ch. 4 - For the reactions of molecular hydrogen with...Ch. 4 - Prob. 62QRTCh. 4 - A diamond can be considered a giant all-carbon...Ch. 4 - Prob. 64QRTCh. 4 - Prob. 65QRTCh. 4 - Prob. 66QRTCh. 4 - Prob. 67QRTCh. 4 - A 0.692-g sample of glucose, C6H12O6, is burned in...Ch. 4 - Benzoic acid, C7H6O2, occurs naturally in many...Ch. 4 - Prob. 70QRTCh. 4 - Prob. 71QRTCh. 4 - Prob. 72QRTCh. 4 - Three reactions very important to the...Ch. 4 - Prob. 74QRTCh. 4 - Prob. 75QRTCh. 4 - Prob. 76QRTCh. 4 - Prob. 77QRTCh. 4 - Prob. 78QRTCh. 4 - We burn 3.47 g lithium in excess oxygen at...Ch. 4 - Prob. 80QRTCh. 4 - Prob. 81QRTCh. 4 - Prob. 82QRTCh. 4 - The reaction enthalpy for oxidation of styrene,...Ch. 4 - Oxygen is not normally found in positive oxidation...Ch. 4 - Iron can react with oxygen to give iron(III)...Ch. 4 - The formation of aluminum oxide from its elements...Ch. 4 - Prob. 87QRTCh. 4 - If you want to convert 56.0 g ice (at 0 °C) to...Ch. 4 - Prob. 89QRTCh. 4 - Prob. 90QRTCh. 4 - Prob. 91QRTCh. 4 - Prob. 92QRTCh. 4 - Prob. 93QRTCh. 4 - Prob. 94QRTCh. 4 - Prob. 95QRTCh. 4 - Prob. 96QRTCh. 4 - Prob. 97QRTCh. 4 - Prob. 98QRTCh. 4 - Prob. 99QRTCh. 4 - Prob. 100QRTCh. 4 - Prob. 101QRTCh. 4 - Prob. 102QRTCh. 4 - Prob. 103QRTCh. 4 - Prob. 104QRTCh. 4 - Prob. 105QRTCh. 4 - Prob. 106QRTCh. 4 - The specific heat capacity of copper is 0.385 J g1...Ch. 4 - Consider this graph, which presents data for a...Ch. 4 - Prob. 109QRTCh. 4 - The sketch shows two identical beakers with...Ch. 4 - Prob. 111QRTCh. 4 - Prob. 112QRTCh. 4 - Prob. 113QRTCh. 4 - Prob. 114QRTCh. 4 - Prob. 115QRTCh. 4 - Prob. 116QRTCh. 4 - Prob. 117QRTCh. 4 - Prob. 118QRTCh. 4 - Prob. 119QRTCh. 4 - Prob. 120QRTCh. 4 - Prob. 121QRTCh. 4 - Prob. 122QRTCh. 4 - Prob. 123QRTCh. 4 - Prob. 124QRTCh. 4 - Prob. 4.ACPCh. 4 - Prob. 4.BCPCh. 4 - Prob. 4.CCPCh. 4 - Prob. 4.DCPCh. 4 - Prob. 4.ECPCh. 4 - Prob. 4.FCP
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