Burette - Study guides, Class notes & Summaries

Mttc Integrated Science Life Sciences And General Knowledge Exam Test With 100% Correct Answers volumetric flask - CORRECT ANSWER-used to accurately prepare solutions of various concentrations often used in titrations erlenmeyer flask - CORRECT ANSWER-can be used for mixing, transporting, and reacting, but are not appropriate for accurate measurements repippette - CORRECT ANSWER-hand operated pump that dispenses solutions beakers - CORRECT ANSWER-can be used to measure mass or disso...

C215 EXAM-QUESTIONS WITH CORRECT ANSWERS Calculations: Corrected Gas Pressure - Answer- - Gauge pressure read (Psig) must be corrected to include the atmospheric pressure (Psia) asserted on the gauge - P corrected = Gauge Pressure Read (Psig) + Atmospheric Pressure (Psia) Acids - Answer- - Substances that produce H+ in solution Bases - Answer- - Substances that produce OH- in solution Acid-Base Reaction (Neutralization Reaction) - Answer- - Acid & base neutralize each other proper...

MTTC integrated science 094 Life Sciences and General Knowledge correct 100% 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...

4.3 Laboratory Report: Titration Neutralize an Acid Lake ContaminationI. Objectives • Assemble the apparatus required for titration • Describe the function of each part of the titration apparatus • Explain the general steps of a colorimetric acid-base titration and its uses • Perform a titration experiment • Describe the role of the 3 main reagents used in a titration: sample, titrant, and indicator • Explain what is the endpoint of titration and the role of the indicator •...

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...

For Conversion: 1L = _______ml - Answer 1000 For Conversion: 1kg = ________g - Answer 1000 For Conversion: 1m = _________nm - Answer 10^9 When reading a volume of a liquid in a container, you must _________ by reading _________ the graduated marking - Answer estimate; in between Ranking from least to most precise : ated cylinder 2. burette 3. beaker 4. volumetric cylinder - Answer 3142 Density formula - Answer D=m/v _________ can be separated into elements by __...

Observational recordings - ANSWER-- should not be altered, erased, or whited-out to make corrections - drawing a single line through it Parts of a lab report - ANSWER-1. title 2. abstract - contain the hypothesis - include a control and one variable 3. introduction 4. methods 5. results 6. conclusion / summation Volumetric flask - ANSWER-- used to accurately prepare a specific volume and concentration of solution Erlenmeyer flasks - ANSWER-used for mixing, transporting, ...

State, in terms of electrons, the meaning of the term oxidising agent. [1] - ANSWER 1. Electron acceptor State two features of the current atomic model that are not shown in the Rutherford model. [2] - ANSWER 1. Nucleus containing protons and neutrons 2. Electrons in energy levels/orbitals The sample of chronium is analysed in a TOF mass spectrometer. Give two reasons why it is necessary to ionise the isotopes of chronium before they can be analysed in a TOF mass spectrometer. [2] - ANS...

Boyle's law - ANSWER The volume of a fixed mass of gas (at a constant temperature) is inversely proportional to its pressure Burette - ANSWER Labatory apparatus used to add precise volumes of liquid during a titration Carbocation - ANSWER Ion with a positively charged carbon atom

Question Marking guidance Additional Comments/Guidelines Mark 01.1 the outer electron is in a higher (energy) level / there is an increase in shielding / the atoms get larger / more shells There is a weaker attraction between the nucleus and the outer electron. Mark independently 1 1 (2 x AO1) Question Marking guidance Additional Comments/Guidelines Mark 01.2 Mg2+(g) → Mg3+(g) + e– Mg2+(g) + e– → Mg3+(g) + 2 e– 1 (AO2) ...