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Chemistry & Chemical Reactivity

10th Edition
John C. Kotz + 3 others
ISBN: 9781337399074

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BuyFindarrow_forward

Chemistry & Chemical Reactivity

10th Edition
John C. Kotz + 3 others
ISBN: 9781337399074
Textbook Problem

Cite two pieces of evidence to support the statement that water molecules in the liquid state exert considerable attractive force on one another.

Interpretation Introduction

Interpretation: The evidence to support that water molecules in the liquid state exert considerable attractive forces on one another has to be stated

Concept Introduction: A hydrogen bonding is partially an electrostatic attraction between H atom which is bonded to more electronegative atom such as N, O, orF and another adjacent atom bearing a lone pair of electron.

If intermolecular force is small the vapor pressure of the substance is high and the boiling point will be low.

The boiling point is the temperature at which the vapor pressure is equal to the external pressure. If the external pressure is 760mmHg, then this temperature is called normal boiling point.

The specific heat capacity of a given substance depends on the strength of the intermolecular forces between the particles of the substance.

Explanation

            Figure 1

  • From the figure 1, the boiling points of the group 6A hydrides, the boiling point of water should be 800C

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