SI unit of pressure and units of pressure commonly used in the United States are to be stated. The reason as to why these common units are more convenient to use than the SI unit is to be stated. Manometer is to be described and how this can be used to measure the pressure of gas sample is to be explained. Concept Introduction: SI units can be defined as the international standard units used widely in the world. Manometer is used to measure pressure. It consists of a U shaped gas tube filled with an appropriate liquid. Generally the liquid used in manometer is mercury.

Question

NMR spectrum of ethyl acetate has signals whose chemical shifts are indicated below. Which hydrogen or set of hydrogens corresponds to the signal at 4.1 ppm? Select the single best answer. The H O HỌC—C—0—CH, CH, 2 A ethyl acetate H NMR: 1.3 ppm, 2.0 ppm, 4.1 ppm Check OA B OC ch B C Save For Later Submit Ass © 2025 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center |

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Chapter 15, Problem 3CR

Interpretation Introduction

Interpretation:

SI unit of pressure and units of pressure commonly used in the United States are to be stated. The reason as to why these common units are more convenient to use than the SI unit is to be stated. Manometer is to be described and how this can be used to measure the pressure of gas sample is to be explained.

Concept Introduction:

SI units can be defined as the international standard units used widely in the world. Manometer is used to measure pressure. It consists of a U shaped gas tube filled with an appropriate liquid. Generally the liquid used in manometer is mercury.

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NMR spectrum of ethyl acetate has signals whose chemical shifts are indicated below. Which hydrogen or set of hydrogens corresponds to the signal at 4.1 ppm? Select the single best answer. The H O HỌC—C—0—CH, CH, 2 A ethyl acetate H NMR: 1.3 ppm, 2.0 ppm, 4.1 ppm Check OA B OC ch B C Save For Later Submit Ass © 2025 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center |

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