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The science behind the experiment.

Find the course of each manipulation, its formulas and its corrected multiple choice questions.

58 courseses available

Chemistry

Solution preparation

Connect a weighed mass, a amount of substance and the final volume of the solution.

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Chemistry

Acid–base titrations

Determine the concentration of an acid or a base using a neutralization reaction.

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Chemistry

Iodometry and iodimetry

Distinguish between a direct titration of iodine and a titration of iodine released by an oxidant.

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Chemistry

Permanganate titrations

Use permanganate to dose a reducing agent by electron exchange.

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Chemistry

Argentometric titrations

Dose certain anions by forming a poorly soluble silver salt.

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Chemistry

Qualitative identification of ions

Recognize an ion from a set of characteristic reactions.

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Chemistry

Ion analysis of an unknown sample

Organize a qualitative analysis process with witnesses, separations and confirmations.

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Chemistry

Interpreting solubility diagrams

Plan for saturation and the possible presence of a solid deposit.

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Chemistry

Sulfide solubility and dissolution

Distinguish between chemical balance, speciation and dissolution rate of a sulfide ore.

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Chemistry

Instrumental analysis

Understand the signal, calibration and determination of a concentration.

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Chemistry

Building and representing molecules

Link formula, connectivity, valence and geometry of organic molecules.

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Chemistry

Understanding aromaticity

Recognize a cyclic conjugation and distinguish aromaticity and the simple presence of a cycle.

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Chemistry

Monitoring an organic reaction

Link reaction family, stoichiometry, kinetics and yield.

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Chemistry

From starch to beer

Understand brewing, fermentation and monitoring of a bioprocess.

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Chemistry

Polymers, plastics and elastomers

Linking macromolecular chains, formulation and shaping processes.

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Chemistry

Soap formulation and plant management

Distinguish between soap, surfactant, formulation and management of an industrial batch.

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Physics

The simple pendulum

Relate the oscillation period to the length of the wire and gravity.

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Physics

DC circuits and Ohm’s law

Connect voltage, current, resistance and power in a resistive circuit.

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Physics

The four-stroke engine

Understand the mechanical cycle and distinguish the succession of times from the ideal thermodynamic model.

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Physics

Changes of state

Distinguish between heating, phase change and ionization.

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Physics

From nuclear reactor to electricity

Understand the energy conversion chain of a nuclear power plant.

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Physics

Nuclear fission, fusion and energy

Distinguish the transformations of nuclei and link mass defect and energy.

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Physics

Kaplan turbine

Link head height, flow rate and useful hydraulic power.

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Physics

Francis turbine

Link head height, flow rate and useful hydraulic power.

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Physics

Pelton turbine

Link head height, flow rate and useful hydraulic power.

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Physics

Rocket assembly and flight principles

Link systems integration, thrust, mass and vertical trajectory.

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Metallurgy

Representative sampling and quartering

Distinguish a reduction in mass from an involuntary selection of particles.

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Metallurgy

Ore crushing

Understanding primary fragmentation and the choice of a crusher.

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Metallurgy

Grinding and mineral liberation

Link finesse, energy consumed and release of useful minerals.

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Metallurgy

Hydrocyclone classification

Distinguish between overflow and underflow currents and read a particle size cutoff.

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Metallurgy

Slurry settling and filtration

Compare gravity sedimentation and filtration under pressure difference.

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Metallurgy

Counter-current decantation (CCD)

Understand backwashing and recovery of entrained solute.

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Metallurgy

Mineral concentration by flotation

Linking surface chemistry, bubbles and selective separation of minerals.

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Metallurgy

Electrostatic mineral separation

Understand the action of an electric field on particles and the role of conductivity.

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Metallurgy

Interpreting crystal structures

Connect mesh, periodic network and atomic organization.

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Metallurgy

Material hardness testing

Distinguish between indentation, scratch and rebound tests.

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Metallurgy

Mineral deposit formation

Linking material transport, geological concentration and economic interest.

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Metallurgy

Metal dissolution by leaching

Link selective dissolution, reagents and contact time.

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Metallurgy

Purification by solvent extraction

Understand the transfer of a metal between aqueous phase and organic phase.

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Metallurgy

Cobalt recovery by precipitation

Link pH, solubility and coprecipitation in a metalliferous solution.

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Metallurgy

Electrowinning of metals

Linking current, time and metal deposition.

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Metallurgy

Electrolysis and electrorefining

Distinguish between electrowinning and electrolytic refining.

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Metallurgy

Ore calcination

Understand thermal decomposition and distinguish calcination, drying and melting.

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Metallurgy

Sulfide concentrate roasting

Distinguish between oxidation of a sulfide and fusion of a charge.

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Metallurgy

Metallurgical furnace selection and operation

Identify the energy source and the real function of each family of equipment.

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Metallurgy

From iron ore to pig iron

Understand reduction, counter-current and cast iron–slag separation.

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Metallurgy

The copper–cobalt water-jacket furnace

Identify reduction, phase separation and wall cooling.

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Metallurgy

Copper–nickel alloy formation

Link composition, fusion and solidification of an alloy.

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Metallurgy

Ellingham, Pourbaix and Chaudron diagrams

Link diagram, environmental conditions and phase stability.

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Metallurgy

The integrated leaching–CCD–SX–EW circuit

Understand the sequence of operations and the accumulation of impurities.

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Metallurgy

Designing and testing a process flowsheet

Connect equipment, connections, capacities and instrumentation of a circuit.

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Metallurgy

The metallurgy laboratory bench

Link sample, separation, measurement and interpretation.

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