Methyl formate Study guides, Class notes & Summaries

Technicians who perform sealed system service on small appliances must have; - Answer- Type I or universal certification A small appliance is defined by EPA as; - Answer- Appliances manufactured, charged, and hermetically sealed in a factory with 5 lbs or less of refrigerant Type I Certification is required for; - Answer- Persons handling refrigerant during maintenance, service, or repair of small appliances. If regulations change after the technician becomes certified; - Answer- The te...

EPA 608 Type I from practice test questions and answers rated A Technicians who perform sealed system service on small appliances must have; Type I or universal certification A small appliance is defined by EPA as; Appliances manufactured, charged, and hermetically sealed in a factory with 5 lbs or less of refrigerant Type I Certification is required for; Persons handling refrigerant during maintenance, service, or repair of small appliances. If regulations change after the technician becomes...

Are there drop-in replacements for R-12 systems? Why or why not? - Correct answerNo because the new refrigerants are incompatible with the oils and lubricants used in R12 systems. What type of oil is used in R-134a and what oils will it mix with? - Correct answer-Ester based oils and they do not mix with other oils What type of lubricant is used with HCFCs? - Correct answer-Alkylbenzene lubricant What is difference b/w ternary blend a azeotropic blend? - Correct answer-Ternary blends are th...

1. Which of the following statements about the fixation of atmospheric nitrogen (N2) into NH3 by living cells is false? A) It involves the transfer of eight electrons per mol of N2. B) It occurs in certain microorganisms, but not in humans. C) It requires a source of electrons, normally ferredoxin. D) It requires one ATP per mol of N2 fixed. E) It requires two key protein components, each containing iron. D 2. Which of the following is not true about the anammox reaction? A) An...

Package Title: Solomons Test Bank Course Title: Solomons 11e Chapter Number: 17 Question type: Multiple choice 1) Which of the following is the best name for the following compound? O O a) Isobutyl ethanoate b) Ethyl isopropanoate c) 3-methylbutyl ethanoate d) Ethoxy isobutyl ketone e) Ethyl 3-methylbutanoate Answer: E Topic: Nomenclature Section: 17.2 Difficulty Level: Medium 2) The correct structure for ethyl 3-methylbutanoate is: O O O O O O O O O O I II III IV V a) I b) II c) III d) IV e) V ...

Quantitation of Methyl Formate, Dichloromethane, and P-Xylene By 1HNMR Spectroscopy in an organic chemistry lab.

Test Bank of Organic Chemistry 4th Edition By Janice Smith Chapter 1: Structure and Bonding 1. What is the ground-state electronic configuration of a carbon atom? A) 1s2, 2s2, 2p5 B) 1s2, 2s2, 2p2 C) 1s2, 2s2, 2p6 D) 1s2, 2s2, 2p4 2. What is the ground-state electronic configuration of a fluorine atom? A) 1s2, 2s2, 2p2 B) 1s2, 2s2, 2p3 C) 1s2, 2s2, 2p4 D) 1s2, 2s2, 2p5 3. What is the ground-state electronic configuration of a magnesium cation (Mg2+)? A) 1s2, 2s2, 2p6 C) 1s2, 2s2, 2p6,...

Date technicians servicing small appliances must have been EPA certified? November 14, 1994 Date when technicians must have been certified to the EPA that they have equipment capable of meeting ARI 740 recovery requirements August 12, 1993 All recovery devices manufactured before ________________, for use with small appliances must be capable of recovering 80% of refrigerant whether or not the compressor is operational. Alternatively, the system can be recovered to 4-inches of me...

Organic Chemistry, 6e (Smith) Chapter 1 Structure and Bonding 1) What is the ground-state electronic configuration of a carbon atom? A) 1s2, 2s2, 2p5 B) 1s2, 2s2, 2p2 C) 1s2, 2s2, 2p6 D) 1s2, 2s2, 2p4 Answer: B Difficulty: 1 Easy Section: 01.01 Topic: Structure and Bonding Bloom's: 2. Understand Chapter: 01 Accessibility: Keyboard Navigation 2) What is the ground-state electronic configuration of a fluorine atom? A) 1s2, 2s2, 2p2 B) 1s2, 2s2, 2p3 C) 1s2, 2s2, 2p4 D) 1s2, 2s2, 2p5 Ans...

1. What is the ground-state electronic configuration of a carbon atom? A. 1s2, 2s2, 2p5 B. 1s2, 2s2, 2p2 C. 1s2, 2s2, 2p6 D. 1s2, 2s2, 2p4 Accessibility: Keyboard Navigation Bloom's Level: 2. Understand Difficulty: Easy Gradable: automatic Section: 01.01 Subtopic: Periodic table trends Topic: Structure and Bonding 2. What is the ground-state electronic configuration of a fluorine atom? A. 1s2, 2s2, 2p2 B. 1s2, 2s2, 2p3 C. 1s2, 2s2, 2p4 D. 1s2, 2s2, 2p5 ...