A scientist wants to identify an unknown compound on the basis of its physical properties. The substance is a white solid at room temperature.Attempts to determine its boiling point were unsuccessful. Using Table 3.6, name the unknown compound. Table 3.6 Physical Properties of Common SubstancesState at Boiling Point(°C)SubstanceColor25°COxygencolorlessgas-183Watercolorlessliquid100SucrosewhitesoliddecomposesSodium chloridewhitesolid1413

Given: For the unknown compound, The color at room temperature → whiteState at room temperature…

Table 3.6 Physical Properties of Common Substances State at Boiling Point (°C) Substance Color 25°C Oxygen colorless gas -183 Water colorless liquid 100 Sucrose white solid decomposes Sodium chloride white solid 1413

Table 3.6 Physical Properties of Common Substances State at Boiling Point (°C) Substance Color 25°C Oxygen colorless gas -183 Water colorless liquid 100 Sucrose white solid decomposes Sodium chloride white solid 1413

Chemistry for Engineering Students

4th Edition

ISBN:9781337398909

Author:Lawrence S. Brown, Tom Holme

Publisher:Lawrence S. Brown, Tom Holme

Chapter9: Energy And Chemistry

Section: Chapter Questions

Problem 9.81PAE: 9.81 A substance has the following properties: Hfusion = 10.0 kJ/mol Hvaporiztion = 20.0 kJ/mol...

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Question

A scientist wants to identify an unknown compound on the basis of its physical properties. The substance is a white solid at room temperature.
Attempts to determine its boiling point were unsuccessful. Using Table 3.6, name the unknown compound.

Table 3.6 Physical Properties of Common Substances
State at Boiling Point
(°C)
Substance
Color
25°C
Oxygen
colorless
gas
-183
Water
colorless
liquid
100
Sucrose
white
solid
decomposes
Sodium chloride
white
solid
1413

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