Chromotography Study guides, Revision notes & Summaries

volumetric flask - ANSWER used to accurately prepare solutions of various concentrations often used in titrations erlenmeyer flask - ANSWER can be used for mixing, transporting, and reacting, but are not appropriate for accurate measurements repippette - ANSWER hand operated pump that dispenses solutions beakers - ANSWER can be used to measure mass or dissolve a solvent into a soulte graduated cylinder - ANSWER used for precise measurements and are more accurate than erlenmeyer fl...

TSA - Forensic Technology Latest Update Graded A Passive Stains Transfer Stains object coming in contact with existing blood stains and leaving wipes, smears, or pattern transfers Impact Stains blood projecting through air and usually seen as splatters. (May also include gushes, splashes, and arterial spurts.) Gunshot Splatter Includes forward splatter from exit wound and back splatter from entrance wound. Typically: Forward is a fine mist and the back is larger, fewer drops. Cast-Off Resu...

MTTC Integrated Science Secondary (94) Verified Answers What are the 5 steps in the Scientific Method? 1. Identify a problem or pose a question based on an observation. 2. Formulate a hypotheses. 3. Conduct experiments or tests the hypotheses. 4. Observe and record the results. 5. Draw a conclusion (was the hypothesis correct?). * peer review is also important. Metric Unit deca (da): x 10^1 Metric Unit hecto (h): x 10^2 Metric Unit kilo (k): x 10^3 Metric Unit mega (M): x 1...

Currently the MOST common method for the confirmation of serum barbiturates is: gas-liquid chromotography, mass spectrometry Lipemia in a fasting serum sample is most likely caused by an increase in serum levels of: triglycerides; lipemia is generally caused by an increase in VLDL (which are primarily triglycerides). Which therapeutic drug increases the force of myocardial muscle contraction? Digoxin; it inhibits both cellular Na+ efflux, and K+ influx in myocardial cells. ...

ACS Instrumental Analysis Exam Questions With 100% Correct Answers UV-Vis Source (Mono or Poly) - answerW-Halogen lamp; D2 or H2Lamp; Xenon Lamp:(poly) IR Source (Mono or Poly) - answerNernst Glower; Globular; Incandescent: (Poly) Laser(Mono) AA Source (mono or Poly) - answerHCl(mono) AE Source (Mono or Poly) - answerPlasma Falme(poly) Raman Source (mono or Poly) - answerHe/Ne Laser;Ar Laser;Yag Laser:(mono) UV-Vis Sample Holder - answerQuartz, Glass, Plastic Cuvettes IR Sample Holder -...

Mixture - Answer made up of two or more substances that are not chemically combined 3 properties of compounds - Answer -fixed composition, the same ratio of each element -only chemical reactions can separate elements -chemical bonds between atoms 3 properties of mixtures - Answer -no fixed composition, the amount of the different substances can change -can be separated easily, using the properties of the different substances -no chemical bonds between atoms/compound in mixtur...

Mttc Integrated Science Secondary Practice Questions and Answers 100% Pass What are the 5 steps in the Scientific Method? - CORRECT ANSWER-1. Identify a problem or pose a question based on an observation. 2. Formulate a hypotheses. 3. Conduct experiments or tests the hypotheses. 4. Observe and record the results. 5. Draw a conclusion (was the hypothesis correct?). * peer review is also important. Metric Unit deca (da): - CORRECT ANSWER-x 10^1 Metric Unit hecto (h): - CORRECT ANSWER...

volumetric flask - Answer used to accurately prepare solutions of various concentrations often used in titrations erlenmeyer flask - Answer can be used for mixing, transporting, and reacting, but are not appropriate for accurate measurements repippette - Answer hand operated pump that dispenses solutions beakers - Answer can be used to measure mass or dissolve a solvent into a soulte graduated cylinder - Answer used for precise measurements and are more accurate than erlenmeyer fl...

GCSE Edexcel Chemistry 2023 Exam Questions And Correct Answers Acid - ANSWER a substance with a PH of less than 7 a substance that forms H+ ions in water Acid Rain - ANSWER acidic rainwater that forms when sulphur dioxide dissolves in rain droplets Activation Energy - ANSWER the minimum amount of energy that reactant particles must have when they collide in order to react Addition Polymer - ANSWER a large molecule made from alkene monomers which bond together...

What are the 5 steps in the Scientific Method? - ANSWER-1. Identify a problem or pose a question based on an observation. 2. Formulate a hypotheses. 3. Conduct experiments or tests the hypotheses. 4. Observe and record the results. 5. Draw a conclusion (was the hypothesis correct?). * peer review is also important. Metric Unit deca (da): - ANSWER-x 10^1 Metric Unit hecto (h): - ANSWER-x 10^2 Metric Unit kilo (k): - ANSWER-x 10^3 Metric Unit mega (M): - ANSWER-x 10^6 Metric ...