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Chemistry: Principles and Reactions

8th Edition
William L. Masterton + 1 other
ISBN: 9781305079373

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BuyFindarrow_forward

Chemistry: Principles and Reactions

8th Edition
William L. Masterton + 1 other
ISBN: 9781305079373
Textbook Problem

At sea, distances are measured in nautical miles and speeds are expressed in knots.

1 nautical mile = 6076.12 ft

1 knot = 1 nautical mi/h (exactly)

(a) How many miles are in one nautical mile?

(b) How many meters are in one nautical mile?

(c) A ship is traveling at a rate of 22 knots. Express the ship's speed in miles per hour.

Interpretation Introduction

(a)

Interpretation:

How many miles are in one nautical mile should be determined.

Concept introduction:

An arithmetical multiplier which is used for converting a quantity expressed in one unit into another equivalent set of units is said to be conversion factor.

Explanation

Given:

1 nautical mile = 6076.12 ft

1 knot = 1 nautical mi/h

Since, 1 ft = 0.000189 mi

So,

1nautical mile×6076.12ft1nautical mile×0

Interpretation Introduction

(b)

Interpretation:

How many meters are in one nautical mile should be determined.

Concept introduction:

An arithmetical multiplier which is used for converting a quantity expressed in one unit into another equivalent set of units is said to be conversion factor.

Interpretation Introduction

(c)

Interpretation:

The speed of ship should be expressed in miles per hour.

Concept introduction:

An arithmetical multiplier which is used for converting a quantity expressed in one unit into another equivalent set of units is said to be conversion factor.

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