Separating mixtures - Study guides, Class notes & Summaries
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Chemistry Honors Final Exam Questions and Answers 100% Correct
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Chemistry Honors Final Exam Questions and 
Answers 100% Correct 
What is chemistry? - Answer- The study of the changes in matter 
What is analytical chemistry? - Answer- The study of the chemical composition of a new 
substance 
What equipment would be used to measure 30.6 mL of a liquid solution? - Answer- 
Buret 
Substance vs. Mixture - Answer- Composition a substance cannot vary, but the 
composition of a mixture can 
Which of the following is Not a molecule - Answer- If I️ t has more than ...
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HVAC: EPA 608 Certification Exam Questions and Answers Latest Updated 2024/2025 (GRADED A+)
- Exam (elaborations) • 13 pages • 2024
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HVAC: EPA 608 Certification Exam Questions and Answers Latest Updated 2024/2025 (GRADED A+) What type of lubricant is used with HCFCs? CORRECT ANSWERAlkylbenzene lubricant 
What is difference b/w ternary blend a azeotropic blend? CORRECT ANSWERTernary blends are threepart mixtures whereas azeotropic blends are blends of two or more compounds that act like a single 
compound. 
What is the trait of a hygroscopic lubricant? CORRECT ANSWERIt absorbs (takes on) moisture 
What is temperature glide and...
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HVAC: EPA 608 Certification Study Guide with 100% Complete Solutions
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HVAC: EPA 608 Certification Study 
Guide with 100% Complete Solutions 
Are there drop-in replacements for R-12 systems? Why or why not? - Correct Answer ️️ 
-No because the new refrigerants are incompatible with the oils and lubricants used 
in R-12 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 
lubric...
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Chemistry Honors Final Exam Questions and Answers 100% Correct
- Exam (elaborations) • 9 pages • 2024
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Chemistry Honors Final Exam Questions and 
Answers 100% Correct 
What is chemistry? - Answer- The study of the changes in matter 
What is analytical chemistry? - Answer- The study of the chemical composition of a new 
substance 
What equipment would be used to measure 30.6 mL of a liquid solution? - Answer- 
Buret 
Substance vs. Mixture - Answer- Composition a substance cannot vary, but the 
composition of a mixture can 
Which of the following is Not a molecule - Answer- If I️ t has more than ...
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AQA Chemistry Paper 1 Complete Solutions (Verified)
- Exam (elaborations) • 28 pages • 2023
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AQA Chemistry Paper 1 Complete Solutions (Verified) 
 
C1 Atomic Structure - ANSWER 
 
What are atoms? - ANSWER Atoms are the particles that make up everything 
 
What is an element? - ANSWER An element is a substance in which all the atoms are the same 
 
Where are elements shown? - ANSWER Elements are shown in the Periodic table 
 
How many elements are there? - ANSWER There are around 118 elements 
 
What is a compound? - ANSWER A compound is a substance that c...
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HVAC: EPA 608 Certification Study Guide with 100% Complete Solutions
- Exam (elaborations) • 14 pages • 2024
- Available in package deal
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- $12.49
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HVAC: EPA 608 Certification Study 
Guide with 100% Complete Solutions 
Are there drop-in replacements for R-12 systems? Why or why not? - Correct Answer ️️ 
-No because the new refrigerants are incompatible with the oils and lubricants used 
in R-12 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 
lubric...
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GCSE EDEXCEL TRIPLE SCIENCE CHEMISTRY PAPER 2 2024 QUESTION PAPER WITH QUESTIONS AND CORRCT ANSWERS GRADED A+
- Exam (elaborations) • 43 pages • 2024
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GCSE EDEXCEL TRIPLE 
SCIENCE CHEMISTRY PAPER 2 
2024 QUESTION PAPER WITH 
QUESTIONS AND CORRCT 
ANSWERS GRADED A+ 
What is in the nucleus? - CORRECT ANSWER-Protons and neutrons 
What is relative atomic mass? - CORRECT ANSWER-Relative atomic 
mass is an average mass taking into account the different masses 
and abundances of all the isotopes that make up the element 
How do you calculate the relative atomic mass? - CORRECT 
ANSWER-Sum of (isotope abundance x isotope mass number) / 
sum of abundan...
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UCF Chemistry 1A Final Study Test Questions and Answers Updated| 2024
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UCF Chemistry 1A Final Study Test Questions and Answers Updated| 2024 
 
 
 
 
 
 
 
The properties of matter are determined by the properties of atoms and molecules	true 
Atom	submicroscopic particles that constitute the fundamental building blocks of ordinary matter 
Molecules	Atoms bound together in specific geometrical arrangements to form molecules 
Chemistry	the science that seeks to understand the behavior of matter by studying the behavior of atoms and molecules 
Scientific Approach	- ob...
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Distinction Level BTEC Applied Science Assignment C, Chromatography (Verified)
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Distinction Level BTEC Applied Science Assignment C, Chromatography (Verified) Chromatography : a method used to separate chemical mixtures for analysis 
Soluble :solubility is the degree to which a substance dissolves in a solvent to make a solution 
Solvent : the substance in which a solute dissolved to produce a homogeneous mixture 
Mobile phase : the liquid that transports the substance mixture through the absorbing material which 
travels along the stationary phase and carries the substance...
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Biochemistry: Chromatography (A+ Graded)
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Literal Meaning of Chromatogrpahy correct answers Color writing 
 
Chromatography correct answers A technique for separating compounds based on their interaction with two phases of an analytical system 
A technique used to separate complex mixtures on the basis of different physical interactions between the individual compound and the stationary phase of the system 
 
Separation Function correct answers The interaction of the particles between the MOBILE PHASE and STATIONARY PHASE allows them to...
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