Part III: ACS Review (4 points)4)The limiting reagent in a particular reaction can be recognized because it is the reagent thata) has the smallest coefficient in the balanced equationb) has the smallest mass in the reaction mixturec) is present in the smallest molar quantityd) would be used up firste) is listed first in the balanced equationGeneral Chemistry, CHE126Exam 1 Page 2
Part III: Multiple Choice Questions (44 points; 4 pts each) – Please enter the correct answer on the Scantron Sheet.5) Place the following compounds in order of decreasing strength of intermolecular forces.HFO2NCl36) Choose the pair of substances that are most likely to form a homogeneous solution. 7) How much energy is required to vaporize 48.7 g of dichloromethane (CH2Cl2) at its boiling point, if its ΔHvapis 31.6 kJ/mol? 8) Consider the phase diagram at right. If the dashed line at 1 atm of pressure is followed from 100 to 500 °C, what phase changes will occur (in order of increasing temperature)?A) condensation, followed by vaporization B) sublimation, followed by deposition C) vaporization, followed by deposition D) fusion, followed by vaporization E) No phase change will occur under the conditions specified. General Chemistry, CHE126Exam 1 Page 3
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