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Suzuki reaction. Animation showing the Suzuki reaction, a chemical reaction that forms a carbon-carbon bond between two molecules.
Carbon-carbon bond formation is extremely important in organic synthesis, and the 2010 Nobel Prize for Chemistry was awarded to Akira Suzuki (and Richard Heck and Ei-ichi Negishi) for his work on the reaction that bears his name. This...
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Universal indicator solution added to hydrochloric acid. The indicator turns red in acids
Universal indicator solution added to hydrochloric acid. The indicator turns red in acids
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Cutting sodium metal with a scalpel.
The shiny exposed metal surface reacts rapidly with oxygen and water in the air, forming a duller layer of sodium oxide and hydroxide. Then the sodium metal is dropped into water. The reaction produces hydrogen gas and sodium hydroxide....
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Adrenaline hormone molecule. Animation of a molecule of adrenaline, or epinephrine, a hormone and neurotransmitter. It is secreted by the adrenal glands in times of stress and stimulates the body for action in what is known as the fight or flight response
Adrenaline hormone molecule. Animation of a molecule of adrenaline, or epinephrine, a hormone and neurotransmitter. It is secreted by the adrenal glands in times of stress and stimulates the body for action in what is known as the fight...
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Adrenaline hormone molecule. Animation of a molecule of adrenaline, or epinephrine, a hormone and neurotransmitter. It is secreted by the adrenal glands in times of stress and stimulates the body for action in what is known as the fight or flight response
Adrenaline hormone molecule. Animation of a molecule of adrenaline, or epinephrine, a hormone and neurotransmitter. It is secreted by the adrenal glands in times of stress and stimulates the body for action in what is known as the fight...
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Sodium metal reacting with water.
The reaction produces hydrogen gas and sodium hydroxide. The heat of the reaction melts the sodium, which forms a sphere. The indicator phenolphthalein has been added to the water, which turns pink due to the presence of the strongly...
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Sodium metal reacting with water.
The reaction produces hydrogen gas and sodium hydroxide. The heat of the reaction melts the sodium, which forms a sphere. The indicator phenolphthalein has been added to the water, which turns pink due to the presence of the strongly...
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Copper (II) hydroxide precipitate, formed as sodium hydroxide is dripped into copper (II) sulphate solution
Copper (II) hydroxide precipitate, formed as sodium hydroxide is dripped into copper (II) sulphate solution
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Universal indicator solution added to hydrochloric acid. The indicator turns red in acids
Universal indicator solution added to hydrochloric acid. The indicator turns red in acids
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Lead (II) chloride precipitate, formed as potassium chloride is dripped into lead (II) nitrate solution
Lead (II) chloride precipitate, formed as potassium chloride is dripped into lead (II) nitrate solution
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Iron (III) hydroxide precipitate, formed as sodium hydroxide is dripped into iron (III) chloride solution
Iron (III) hydroxide precipitate, formed as sodium hydroxide is dripped into iron (III) chloride solution
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Universal indicator paper being dipped in sodium hydroxide, a strong alkali. Universal indicator turns purple in the presence of alkalis
Universal indicator paper being dipped in sodium hydroxide, a strong alkali. Universal indicator turns purple in the presence of alkalis
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Lead (II) bromide precipitate, formed as potassium bromide is dripped into lead (II) nitrate solution
Lead (II) bromide precipitate, formed as potassium bromide is dripped into lead (II) nitrate solution
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Fire is the process of combustion, where a material is combined with oxygen, giving off heat, light and flames
Fire is the process of combustion, where a material is combined with oxygen, giving off heat, light and flames
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Potassium metal reacting with water.
The reaction produces hydrogen gas and potassium hydroxide. The heat of the reaction ignites the hydrogen gas produced, which burns with a lilac flame. The indicator phenolphthalein has been added to the water, which turns pink due to...
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Gas chromatography-mass spectrometry (GCMS), University of Washington, Seattle, USA
Gas chromatography-mass spectrometry (GCMS), University of Washington, Seattle, USA
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Potassium metal reacting with water.
The reaction produces hydrogen gas and potassium hydroxide. The heat of the reaction ignites the hydrogen gas produced, which burns with a lilac flame. The indicator phenolphthalein has been added to the water, which turns pink due to...
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Hydrating anhydrous copper (II) sulphate (white) by dripping water.
The blue colour of copper (II) sulphate is due to the presence of so-called water of crystallisation in the crystal structure. Dripping water onto the anhydrous form rehydrates the compound, giving the blue colour
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Hydrating anhydrous copper (II) sulphate (white) by dripping water.
The blue colour of copper (II) sulphate is due to the presence of so-called water of crystallisation in the crystal structure. Dripping water onto the anhydrous form rehydrates the compound, giving the blue colour
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Ammonia added to a precipitate of copper (II) hydroxide. The presence of the ammonia causes the formation of a deep blue complex of tetraamminediaquacopper dihydroxide
Ammonia added to a precipitate of copper (II) hydroxide. The presence of the ammonia causes the formation of a deep blue complex of tetraamminediaquacopper dihydroxide
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Iron (ii) hydroxide precipitate, formed as sodium hydroxide is dripped into iron (ii) chloride solution
Iron (ii) hydroxide precipitate, formed as sodium hydroxide is dripped into iron (ii) chloride solution
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Potassium metal reacting with water.
The reaction produces hydrogen gas and potassium hydroxide. The heat of the reaction ignites the hydrogen gas produced, which burns with a lilac flame. The indicator phenolphthalein has been added to the water, which turns pink due to...