Most of the raw materials occurring over the earth consist of innumerable elemental impurities. These impurities should be removed through various industrial processing. In some cases, it is not economically feasible to remove such minor impurities completely as they do not show any effect on the quality of the final product.

Question

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Answer 1

Question

Chapter 14, Problem 1RQ

Summary Introduction

Most of the raw materials occurring over the earth consist of innumerable elemental impurities. These impurities should be removed through various industrial processing. In some cases, it is not economically feasible to remove such minor impurities completely as they do not show any effect on the quality of the final product.

Expert Solution & Answer

Answer to Problem 1RQ

Correct answer: The presence of trace elements in materials provides useful “invisible” markers when comparing physical evidence.

Explanation of Solution

Crime investigators use the trace elements as they behave as “invisible markers” that can provide data for comparison or can help in establishing the material source. For example, glass fragments can be used as valuable trace evidence. Forensic investigators have also utilized the evidential values of different trace elements present in fibers, paint and soil.

Hence, trace elements can provide useful markers for comparing the physical evidence.

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Answer 2

Question

Chapter 14, Problem 1RQ

Summary Introduction

Most of the raw materials occurring over the earth consist of innumerable elemental impurities. These impurities should be removed through various industrial processing. In some cases, it is not economically feasible to remove such minor impurities completely as they do not show any effect on the quality of the final product.

Expert Solution & Answer

Answer to Problem 1RQ

Correct answer: The presence of trace elements in materials provides useful “invisible” markers when comparing physical evidence.

Explanation of Solution

Crime investigators use the trace elements as they behave as “invisible markers” that can provide data for comparison or can help in establishing the material source. For example, glass fragments can be used as valuable trace evidence. Forensic investigators have also utilized the evidential values of different trace elements present in fibers, paint and soil.

Hence, trace elements can provide useful markers for comparing the physical evidence.

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Answer 3

Question

Chapter 14, Problem 1RQ

Summary Introduction

Most of the raw materials occurring over the earth consist of innumerable elemental impurities. These impurities should be removed through various industrial processing. In some cases, it is not economically feasible to remove such minor impurities completely as they do not show any effect on the quality of the final product.

Expert Solution & Answer

Answer to Problem 1RQ

Correct answer: The presence of trace elements in materials provides useful “invisible” markers when comparing physical evidence.

Explanation of Solution

Crime investigators use the trace elements as they behave as “invisible markers” that can provide data for comparison or can help in establishing the material source. For example, glass fragments can be used as valuable trace evidence. Forensic investigators have also utilized the evidential values of different trace elements present in fibers, paint and soil.

Hence, trace elements can provide useful markers for comparing the physical evidence.

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Answer 4

Question

Chapter 14, Problem 1RQ

Summary Introduction

Most of the raw materials occurring over the earth consist of innumerable elemental impurities. These impurities should be removed through various industrial processing. In some cases, it is not economically feasible to remove such minor impurities completely as they do not show any effect on the quality of the final product.

Expert Solution & Answer

Answer to Problem 1RQ

Correct answer: The presence of trace elements in materials provides useful “invisible” markers when comparing physical evidence.

Explanation of Solution

Crime investigators use the trace elements as they behave as “invisible markers” that can provide data for comparison or can help in establishing the material source. For example, glass fragments can be used as valuable trace evidence. Forensic investigators have also utilized the evidential values of different trace elements present in fibers, paint and soil.

Hence, trace elements can provide useful markers for comparing the physical evidence.

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Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Answer 5

Chapter 14, Problem 1RQ

Summary Introduction

Most of the raw materials occurring over the earth consist of innumerable elemental impurities. These impurities should be removed through various industrial processing. In some cases, it is not economically feasible to remove such minor impurities completely as they do not show any effect on the quality of the final product.

Expert Solution & Answer

Answer to Problem 1RQ

Correct answer: The presence of trace elements in materials provides useful “invisible” markers when comparing physical evidence.

Explanation of Solution

Crime investigators use the trace elements as they behave as “invisible markers” that can provide data for comparison or can help in establishing the material source. For example, glass fragments can be used as valuable trace evidence. Forensic investigators have also utilized the evidential values of different trace elements present in fibers, paint and soil.

Hence, trace elements can provide useful markers for comparing the physical evidence.

Answer 6

Chapter 14, Problem 1RQ

Summary Introduction

Most of the raw materials occurring over the earth consist of innumerable elemental impurities. These impurities should be removed through various industrial processing. In some cases, it is not economically feasible to remove such minor impurities completely as they do not show any effect on the quality of the final product.

Expert Solution & Answer

Answer to Problem 1RQ

Correct answer: The presence of trace elements in materials provides useful “invisible” markers when comparing physical evidence.

Explanation of Solution

Crime investigators use the trace elements as they behave as “invisible markers” that can provide data for comparison or can help in establishing the material source. For example, glass fragments can be used as valuable trace evidence. Forensic investigators have also utilized the evidential values of different trace elements present in fibers, paint and soil.

Hence, trace elements can provide useful markers for comparing the physical evidence.

Answer 7

Chapter 14, Problem 1RQ

Summary Introduction

Most of the raw materials occurring over the earth consist of innumerable elemental impurities. These impurities should be removed through various industrial processing. In some cases, it is not economically feasible to remove such minor impurities completely as they do not show any effect on the quality of the final product.

Answer 8

Expert Solution & Answer

Answer to Problem 1RQ

Correct answer: The presence of trace elements in materials provides useful “invisible” markers when comparing physical evidence.

Answer 9

Expert Solution & Answer

Answer 10

Expert Solution & Answer

Answer 11

Explanation of Solution

Crime investigators use the trace elements as they behave as “invisible markers” that can provide data for comparison or can help in establishing the material source. For example, glass fragments can be used as valuable trace evidence. Forensic investigators have also utilized the evidential values of different trace elements present in fibers, paint and soil.

Hence, trace elements can provide useful markers for comparing the physical evidence.

Answer 12

Ch. 14 - Prob. 1RQ Ch. 14 - Prob. 2RQ Ch. 14 - A proton imparts the nucleus of an atom with a...Ch. 14 - The number of protons (is, is not) always equal to...Ch. 14 - Prob. 5RQ Ch. 14 - Prob. 6RQ Ch. 14 - Prob. 7RQ Ch. 14 - Prob. 8RQ Ch. 14 - Prob. 9RQ Ch. 14 - A(n) __________ spectrum shows distinct...

Concept explainers

Answer to Problem 1RQ

Explanation of Solution

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Chapter 14 Solutions