№ files_lp_4_process_3_135078
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This document is an examination question focused on equilibrium principles in aqueous systems, specifically dealing with titration and the calculation of concentrations in a chemical reaction.
Year:
2023
Region / City:
Not specified
Subject:
Chemistry
Document Type:
Examination question
Institution:
Not specified
Author:
Not specified
Target Audience:
Students studying chemistry
Period of Action:
Not specified
Approval Date:
Not specified
Date of Changes:
Not specified
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The product description is provided for reference. Actual content and formatting may differ slightly.
Note:
Year
Topic:
pH measurement in aqueous waste
Document Type:
Standard Operating Procedure
Method Parameters:
pH Measurement (Method-Defined Parameter)
Sampling Procedure:
pH sample analysis
Calibration Procedure:
Daily calibration required
Reagents:
pH buffers
Sample Type:
Aqueous waste, multiphase wastes
Quality Control:
Proficiency Testing Procedures
Year:
Not specified
Region / city:
Not specified
Topic:
Electrolysis, Chemistry
Document type:
Educational resource
Organization / institution:
Royal Society of Chemistry
Author:
Not specified
Target audience:
Students, teachers
Effective period:
Not specified
Approval date:
Not specified
Date of changes:
Not specified
Year:
1923
Region / city:
Not specified
Topic:
Acid-Base Equilibria
Document type:
Scientific theory
Organization / institution:
Not specified
Author:
Johannes Brønsted, Thomas Lowry
Target audience:
Chemistry students, educators
Effective period:
Not specified
Approval date:
Not specified
Revision date:
Not specified
Year:
Not specified
Region / City:
Not specified
Subject:
Chemistry
Document Type:
Lecture Outline
Institution:
Not specified
Author:
Not specified
Target Audience:
Students in AP Chemistry
Period of Validity:
Not specified
Approval Date:
Not specified
Date of Modifications:
Not specified
Year:
2023
Region / City:
Southampton, UK; Donostia San-Sebastian, Spain; Messina, Italy
Topic:
Energy storage, battery technology
Document Type:
Research Paper
Institution:
University of Southampton; Tecnalia Research & Innovation; Consiglio Nazionale delle Ricerche
Author(s):
H.A. Figueredo-Rodríguez, R.D. McKerracher, M. Insausti, A. Garcia Luis, C. Ponce de León, C. Alegre, V. Baglio, A.S. Aricò, F.C. Walsh
Target Audience:
Researchers, engineers, and professionals in the field of energy storage
Period of Validity:
Not specified
Date of Approval:
Not specified
Date of Changes:
Not specified
Keywords:
3D printed battery; air electrode; metal-air battery; nanostructured electrodes
Year:
2024
Region / City:
New Zealand
Topic:
Chemistry
Document Type:
Exam questions
Author:
NZQA
Target Audience:
Students preparing for NCEA exams
Period of validity:
2024
Approval Date:
Not specified
Date of changes:
Not specified
Year:
2019
Jurisdiction:
Victoria, Australia
Issuing Authority:
State of Victoria Department of Jobs, Precincts, and Regions
Acknowledged Authority:
Victorian Department of Health
Subject:
Manufacture and handling of perishable 1080 pest animal bait products
Document Type:
Code of Practice
Legislative Context:
Agricultural and Veterinary Chemicals (Control of Use) Act 1992 and related Commonwealth and State legislation
Regulatory References:
Australian Pesticides and Veterinary Medicines Authority (APVMA)
Applies To:
Manufacturers and authorised users of 1080 pest animal bait products
Scope:
Manufacture, supply, transport, storage, labelling, safety, and record keeping requirements
Chemical Substance:
Sodium fluoroacetate (1080)
Compliance Requirement:
Mandatory adherence to Directions for the Use of 1080 Pest Animal Bait Products in Victoria
Year:
2023
Topic:
Electrolysis
Document type:
Educational Resource
Author:
Royal Society of Chemistry
Intended audience:
Students, educators
Period of validity:
Ongoing
Date of approval:
N/A
Date of revision:
N/A
Year:
2026
Subject:
Chemistry
Document type:
Educational material
Audience:
Students and chemistry learners
Topics covered:
Ionization, dissociation, net ionic equations, spectator ions
Chemical substances:
Strontium hydroxide, Iron (III) sulfate, Nitric acid, Glucose, Silver nitrate, Sodium chloride, Potassium acetate, Silver chlorate, Calcium iodide, Sulfuric acid
Format:
Instructional exercises with definitions and reactions
In Vitro Anticoagulant Effect of Aqueous Garlic (Allium sativum) Extract on Human Plasma Coagulation
Year:
2024–2025
Institution:
Department of Hematology, Faculty of Medical Laboratory Sciences
Type of Document:
Experimental study
Subject:
Anticoagulant effect of garlic extract on human plasma
Methodology:
In vitro, PT and APTT measurement
Sample Size:
15 normal human blood samples
Intervention:
Aqueous extract of Allium sativum at concentrations 25%, 50%, and 100%
Key Findings:
Prolongation of PT and APTT with increasing extract concentration
Keywords:
Garlic, Allium sativum, Herbal medicine, Anticoagulant, PT, APTT
Publication Status:
Abstract and full study data included
Subject:
Chemistry
Topic:
Chemical equilibrium and equilibrium constants
Focus:
Equilibrium constant Kp and partial pressures
Qualification:
OCR AS and A Level Chemistry A
Exam board:
OCR
Document type:
Educational teaching pack
Intended audience:
Chemistry teachers and learners
Educational level:
Upper secondary education
Learning outcomes:
Mole fraction and partial pressure; equilibrium calculations; Kc and Kp expressions; effects of temperature, pressure, and concentration on equilibrium
Components:
Teacher guidance, learner activities, answers
Coverage:
Homogeneous and heterogeneous equilibria
Scientific context:
Gaseous equilibria and ideal gas behavior
Year:
Not specified
Region / City:
Not specified
Subject:
Chemistry
Document Type:
Educational Resource
Institution:
CCEA
Author:
Not specified
Target Audience:
Students, Teachers
Period of Validity:
Not specified
Approval Date:
Not specified
Revision Date:
Not specified
Document type:
Classroom worksheet
Subject area:
Chemistry
Topic:
Chemical equilibrium and reversible reactions
Educational level:
Secondary education
Simulation platform:
PhET Interactive Simulations
Institution:
University of Colorado Boulder
Activities included:
Guided exploration, experiments, data collection, graphing, investigation
Key variables:
Time, temperature, concentration, activation energy, molecule ratio
Molecule types:
Green (A), Red (B)
Assessment components:
Data tables, graphs, written responses, presentation
Source type:
Educational activity handout
Year:
2026
Note:
Region / City
Subject:
Chemistry
Document Type:
Educational Material
Target Audience:
Students
Authors:
Yiqun Liu; Teresa Regueira; Erling H. Stenby; Wei Yan
Affiliation:
CERE, Department of Chemistry, Technical University of Denmark, DK-2800 Kgs. Lyngby, Denmark
Corresponding author:
Wei Yan ([email protected]
Note:
)
Subject:
Phase equilibrium and density measurements of gas-oil mixtures under HPHT conditions
Gas components:
CH4, N2, CO2
Temperature range:
25–190 ℃
Pressure range:
400–1400 bar
Type of document:
Scientific research article
Field:
Thermodynamics; Reservoir fluid characterization; Chemical engineering
Experimental methods:
High pressure oscillating tube densimeter (Anton Paar DMA-512P); ST PVT 240/1500 full visibility cell
Models evaluated:
SRK; PR; PC-SAFT; volume translation approach
Data produced:
Over 270 density points; over 70 saturation pressure points
References cited:
Five scientific publications in Fluid Phase Equilibria, Journal of Chemical & Engineering Data, and Measurement Science and Technology
Year:
Not specified
Region / City:
Not specified
Theme:
Chemical equilibria, chemical reactions
Document type:
Educational textbook section
Organization / Institution:
Not specified
Author:
Not specified
Target audience:
Students of chemistry
Period of validity:
Not specified
Approval date:
Not specified
Date of changes:
Not specified
Description:
Section from a chemistry textbook explaining the concept of chemical equilibrium, reaction quotients, and equilibrium constants for both homogeneous and heterogeneous reactions.
Year:
2023
Region / City:
UK
Field:
Chemistry
Document Type:
Educational Resource
Institution:
OCR
Author:
OCR
Target Audience:
A Level Chemistry students
Duration:
N/A
Approval Date:
N/A
Date of Changes:
N/A
Year:
2026
Region / City:
N/A
Topic:
Chemistry
Document Type:
Learning material
Author:
N/A
Target Audience:
Students learning chemistry
Period of validity:
N/A
Approval Date:
N/A
Date of Changes:
N/A
Description:
Educational material for students to understand dynamic equilibrium in chemical reactions through a storyboard exercise.
Year:
Not specified
Subject:
General Chemistry
Topic:
Chemical equilibrium, equilibrium constants, reaction direction, acid–base theory, pH calculations, buffers, titrations, solubility equilibria
Document Type:
Practice problem set
Intended Audience:
Students preparing for Exam 2
Chemical Systems Covered:
Gas-phase equilibria, weak acids and bases, buffer systems, acid–base titrations, sparingly soluble salts
Temperature Conditions Mentioned:
25°C; 30.0°C; 1500 K
Physical Quantities Included:
Kc, Ka, Kb, Kw, Ksp, pH, pKa, equilibrium concentrations, molar solubility
Year:
Not specified
Region / City:
Not specified
Subject:
Physics / Mechanics
Document Type:
Educational Material
Institution:
Pearson
Author:
Not specified
Target Audience:
Students / Learners in Physics
Period of Application:
Not specified
Date of Approval:
Not specified
Date of Modifications:
Not specified