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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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Sulphur mixed with hydrochloric acid. These two substances do not react. Compare this with the vigorous reaction of hydrochloric acid and iron, K002/4135
Sulphur mixed with hydrochloric acid. These two substances do not react. Compare this with the vigorous reaction of hydrochloric acid and iron, K002/4135
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fulfill polymer compound in compression mold
fulfill polymer compound in compression mold for making microdogbone
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Collection of hydrogen gas. The gas has been produced by the action of hydrochloric acid on magnesium metal in a test tube. The gas is passed through a tube into a water bath, where it is collected in an inverted test tube
Collection of hydrogen gas. The gas has been produced by the action of hydrochloric acid on magnesium metal in a test tube. The gas is passed through a tube into a water bath, where it is collected in an inverted test tube
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A gyroscope is a heavy spinning disc mounted so that its axis is free to adopt any orientation.
Its special properties depend on the principle of conservation of angular momentum. It will stay upright as long as it is spinning fast enough, demonstrating the properties of gyroscopic inertia
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Bacteria
3d, antivirus, artery, biology, blood, bloodcell, cancer, care, cell, cgi, clinic, close, disease, drug, experiment, flow, genetic, health, healthcare, human, infection, life, macro, magnification, medical, medicine, microbe,...
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Ebola Protein Lab
Institute of Protein Design at the University of Washington where researchers work to develop proteins that will interfere with the protein structure of the Ebola virus, making it impossible for it to replicate. They use ideas generated...
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dna chain structure
Abstract glittering DNA double helix with depth of field, science animation of DNA construction, genom futuristic footage, conceptual design of genetics information, 4K computer generated animation
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Collection of hydrogen gas. Chemist setting up a water-filled test tube for the collection of hydrogen gas. The gas is produced by the action of hydrochloric acid on magnesium metal in the test tube at left
Collection of hydrogen gas. Chemist setting up a water-filled test tube for the collection of hydrogen gas. The gas is produced by the action of hydrochloric acid on magnesium metal in the test tube at left