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All fields Software Mathematics Physics Chemistry Biology Engineering Astronomy Environmental Other Chemistry Chemistry groups

Explore STEM Content

Search the community's STEM library — free to study, yours to make your own.

Chemistry

Reactions, bonding and organic chemistry on openstem — flashcards, notes, quizzes and molecule structures shared by the community. Study free, or clone into your library.

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Collection5 items

01Chemistry · L3 · Electrolysis

02Chemistry · L3 · Electrolysis

03Chemistry · L3 · Electrolysis of molten lead bromide

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Chemistry

Chemistry · L3 · Electrolysis

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Chemistry · L3 · Electrolysis

Collection4 items

01Chemistry · L5 · Advanced Radical Chemistry

02Chemistry · L5 · Advanced Radical Chemistry

03Chemistry · L5 · Advanced Radical Chemistry

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Chemistry

Chemistry · L5 · Advanced Radical Chemistry

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Chemistry · L5 · Advanced Radical Chemistry

Flowchart12 objects

Chemistry

Chemistry · L5 · Block Copolymer Synthesis via Living Chain Ends

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Chemistry · L5 · Block Copolymer Synthesis via Living Chain Ends

Flowchart22 objects

Chemistry

Chemistry · L4 · Choosing Back Titration Over Direct Titration

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Chemistry · L4 · Choosing Back Titration Over Direct Titration

Flowchart14 objects

Chemistry

Chemistry · L4 · Ion flow direction in a concentration cell

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Chemistry · L4 · Ion flow direction in a concentration cell

Flashcards12 cards

What is an ore?1 / 12

An ore is a rock found in the ground that contains enough of a metal (usually combined with other elements, like oxygen) to be worth extracting.

Chemistry

Chemistry · L2 · Getting Metals from Ores

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Chemistry · L2 · Getting Metals from Ores

Flowchart13 objects

Chemistry

Chemistry · L3 · Spotting the transition-metal pattern in an unknown sample

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Chemistry · L3 · Spotting the transition-metal pattern in an unknown sample

Flowchart14 objects

Chemistry

Chemistry · L5 · Spiropyran Mechanophore Activation

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Chemistry · L5 · Spiropyran Mechanophore Activation

Flashcards7 cards

What is a saturated solution?1 / 7

A saturated solution is one that cannot dissolve any more solute at that temperature. If you add more, it just sinks to the bottom instead of dissolving.

Chemistry

Chemistry · L2 · Saturation, Temperature, and Concentration

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Chemistry · L2 · Saturation, Temperature, and Concentration

Flashcards10 cards

Define transmittance (T) and absorbance (A), and give the equation relating them.1 / 10

Transmittance T = I/I₀ is the fraction of incident light intensity (I₀) that passes through the sample and reaches the detector (I) — a value between 0 and 1 (or 0–100% as %T). Absorbance is the base-10 negative logarithm of transmittance:

Chemistry

Chemistry · L4 · Colorimetry & the Beer-Lambert Law

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Chemistry · L4 · Colorimetry & the Beer-Lambert Law

Collection4 items

01Chemistry · L5 · Nanomaterials and Quantum Confinement

02Chemistry · L5 · Nanomaterials and Quantum Confinement

03Chemistry · L5 · QLED Display: Size-Tuning One Material to Red, Green, and Blue

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Chemistry

Chemistry · L5 · Nanomaterials and Quantum Confinement

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Chemistry · L5 · Nanomaterials and Quantum Confinement

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Chemistry

Chemistry · L5 · Lithium Dendrite Growth on a Metal Anode

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Chemistry · L5 · Lithium Dendrite Growth on a Metal Anode

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Chemistry

Chemistry · L3 · Thermochemistry Basics · flowchart

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Chemistry · L3 · Thermochemistry Basics · flowchart

Collection5 items

01Chemistry · L5 · Chemical Biology & Activity-Based Probes

02Chemistry · L5 · Chemical Biology and Activity-Based Probes

03Chemistry · L5 · Competitive ABPP Inhibitor Screening Workflow

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Chemistry

Chemistry · L5 · Chemical Biology & Activity-Based Probes

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Chemistry · L5 · Chemical Biology & Activity-Based Probes

Quiz5 questions

What does 'one mole' of a substance mean?

AExactly 6.02 × 10²³ particles of that substanceBExactly one gram of that substanceCOne atom of that substanceDThe volume the substance occupies at room temperature

Chemistry

Chemistry · L3 · Stoichiometry & the Mole — 5 Q

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Chemistry · L3 · Stoichiometry & the Mole — 5 Q

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Chemistry

Chemistry · L1 · Float or Sink Test

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Chemistry · L1 · Float or Sink Test

Flowchart17 objects

Chemistry

Chemistry · L4 · Complex Ions and Solubility · flowchart

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Chemistry · L4 · Complex Ions and Solubility · flowchart

Note~440 words · 2 min

Fibers and Fabrics for Clothing Every piece of clothing is woven or knitted from fibers — thin strands of material spun into thread. Some fibers are grown by plants and animals; others are manufactured in factories. Choosing the right fiber

Chemistry

Chemistry · L2 · Natural and Synthetic Fibers

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Chemistry · L2 · Natural and Synthetic Fibers

Note~237 words · 1 min

Sour or Soapy? Acids and Bases in the Kitchen Take a tiny taste of lemon juice, then a tiny taste of a pinch of baking soda mixed in water. They taste completely different, and that difference has a name. Acids Taste Sour Lemon juice, vineg

Chemistry

Chemistry · L1 · Sour or Soapy? Acids and Bases in the Kitchen

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Chemistry · L1 · Sour or Soapy? Acids and Bases in the Kitchen

Flowchart9 objects

Chemistry

Chemistry · L1 · Is It a Chemical Change?

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Chemistry · L1 · Is It a Chemical Change?

Flashcards7 cards

What is a solute?1 / 7

A solute is the substance that gets dissolved. Sugar stirred into tea is the solute.

Chemistry

Chemistry · L2 · Solute, Solvent, and Solution

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Chemistry · L2 · Solute, Solvent, and Solution

Flowchart7 objects

Chemistry

Chemistry · L1 · Why Do Things Float or Sink? · flowchart

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Chemistry · L1 · Why Do Things Float or Sink? · flowchart

Flowchart9 objects

Chemistry

Chemistry · L1 · Strong Smell vs Faint Smell

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Chemistry · L1 · Strong Smell vs Faint Smell

Quiz6 questions

What does Avogadro's Law state?

AEqual volumes of any gases, at the same temperature and pressure, contain equal numbers of molesBEqual volumes of any gases always contain equal massesCEqual masses of any gases always contain equal numbers of molesDThe volume of a gas is independent of temperature and pressure

Chemistry

Chemistry · L3 · Avogadro's Law and Molar Gas Volume — 6 Q

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Chemistry · L3 · Avogadro's Law and Molar Gas Volume — 6 Q

Flowchart17 objects

Chemistry

Chemistry · L4 · Solid state chemistry: crystal classes and unit cells · flowchart

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Chemistry · L4 · Solid state chemistry: crystal classes and unit cells · flowchart

Note~623 words · 3 min

Effusion, diffusion, and Graham's law Kinetic molecular theory treats gas molecules as constantly moving particles whose average kinetic energy depends only on temperature — not on what the gas actually is. That single fact, applied to two

Chemistry

Chemistry · L4 · Effusion, diffusion, and Graham's law

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Chemistry · L4 · Effusion, diffusion, and Graham's law

Quiz6 questions

In the enzyme mechanism E + S ⇌(k1,k−1) ES →(k2) E + P, applying the steady-state approximation to [ES] gives which equation?

Ak_1[\text{E}][\text{S}] = k_{-1}[\text{ES}] + k_2[\text{ES}]Bk_1[\text{E}][\text{S}] = k_{-1}[\text{ES}] - k_2[\text{ES}]Ck_1[\text{E}][\text{S}] + k_{-1}[\text{ES}] = k_2[\text{ES}]D[\text{ES}] = [\text{E}][\text{S}]

Chemistry