Science Source General Science

Acid-base titration, 3/4. Acid-base titration allows quantitative analysis of the concentration of an unknown acid or base solution. It makes use of t...

Acid-base titration, 2/4. Acid-base titration allows quantitative analysis of the concentration of an unknown acid or base solution. It makes use of t...

Acid-base titration, 1/4. Acid-base titration allows quantitative analysis of the concentration of an unknown acid or base solution. It makes use of t...

Sodium chloride reacting with sulfuric acid (NaCl + H2SO4). The reaction of these two chemicals forms hydrogen chloride.

Sodium chloride reacting with sulfuric acid (NaCl + H2SO4). The reaction of these two chemicals forms hydrogen chloride.

Phenol-Formaldehyde Polymer.

Silicon bar.

Silicon Bar and sand.

Copper penny reacting with nitric acid.

A pile of mercuric oxide. Mercuric oxide is a toxic compound that may be either red or yellow.

Pool of mercury in a watch glass.

A pile of mercuric oxide on a watch glass. Mercuric oxide is a toxic compound that may be either red or yellow.

Magnesium reacting with Hydrochloric Acid (HCl).

Density of liquids.

Buckyballs are spherical fullerenes.

PH of orange and lemon shown with strips of Litmus paper.

One mole quantities of compounds. A mole is a chemical unit of measurement that shows the number of molecules or atoms present. One mole of any substa...

Sodium reacting with water.

Nylon is a generic designation for a family of synthetic polymers first produced on February 28, 1935 by Wallace Carothers at DuPont. Nylon is one of...

Match remaining unlit inside a flame; the center of a flame is hollow.

Dry ice blowing up a balloon. Image 3 of 6 in a series. The full series includes images 2m2208, 2s1834, 2s1833, 2m2214, 2s1832, and 2m2210.

Dry ice blowing up a balloon. Image 6 of 6 in a series. The full series includes images 2m2208, 2s1834, 2s1833, 2m2214, 2s1832, and 2m2210.

Dry ice blowing up a balloon. Image 4 of 6 in a series. The full series includes images 2m2208, 2s1834, 2s1833, 2m2214, 2s1832, and 2m2210.

Balloons being put into liquid nitrogen. Image 1 of 4 in a series. See images 2m2200, 2m2206, and 2m2201 for the rest in the series.

Balloons being put into liquid nitrogen. Image 3 of 4 in a series. See images 2m2207, 2m2200, and 2m2201 for the rest in the series.

Balloons being put into liquid nitrogen. Image 4 of 4 in a series. See images 2m2207, 2m2206, and 2m2200 for the rest in the series.

Balloons being put into liquid nitrogen. Image 2 of 4 in a series. See images 2m2207, 2m2206, and 2m2201 for the rest in the series.

Meniscus of mercury (right) and the meniscus of water (left). Mercury molecules attract one another more strongly than they attract the molecules of t...

Meniscus of mercury (left) and the meniscus of water (right). Mercury molecules attract one another more strongly than they attract the molecules of t...

An ice cube melting. 1 of 2.

Sulfur reacting with oxygen. Blue-green light is emitted by a sample of sulfur powder burning in a conical flask of oxygen. This reaction produces sul...

Sodium reacting with methanol.

A candle burning.

Still life photograph of aluminum products. Aluminum is a ductile metal, that is the most abundant and the most widely used non-ferrous metal.

Various forms of silicon.

Nylon is a generic designation for a family of synthetic polymers first produced on February 28, 1935 by Wallace Carothers at DuPont. Nylon is one of...

Buffer Solution Concentrate for pH 10.00.

Bottle of Drano with a strip of Litmus Paper indicating its balance.

Silver Nitrate reacts with copper wire.

Zinc reacting with hydrochloric acid.

Iron nails progressively rusting (3 of 3).

A man uses an acetylene torch to heat an iron rod.

Household objects made of pewter, a metal alloy made mostly of tin: candle sticks, salt and pepper shakers, and a teapot.

Light passing through sodium hydroxide (left) and a colloidal mixture (right). Colloidal solutions scatter visible light.

Hydrogen peroxide releases oxygen by decomposition when exposed to manganese dioxide.

Computer-generated model of a neon atom. The nucleus, at center, is too small to be seen at this scale and is represented by the flash of light. Surro...

Computer-generated model of a neon atom. The nucleus, at center, is too small to be seen at this scale and is represented by the flash of light. Surro...

Computer generated models of buckyballs containing trapped potassium ions.

Crystalline structure of graphite, an allotrope of carbon. Carbon atoms are connected into discrete layers of rings by aromatic bonds. Free sliding be...

Crystalline structure of diamond, an allotrope of carbon. The tetrahedral arrangement of carbon atoms accounts for the extraordinary stability and str...