The first 'reaction' that we tried for our hand warmer involved dissolving potassium carbonate (K 2 CO 3) in water. Potassium carbonate is one of the chemicals left behind in the ashes of burnt wood.

Hungarian researchers have discovered unique bacterial communities in thermal waters that may help unravel the development of stromatolites, one of Earth's oldest rock formations. These findings not ...

Metals, bases, certain metal hydroxides and certain metal carbonates, are insoluble in water. You add the base/carbonate/metal to the warm acid until no more will dissolve and you have some of the ...

Hungarian researchers have discovered unique bacterial communities in thermal waters that may help unravel the development of stromatolites, one of Earth's oldest rock formations. These findings not ...

Calcium carbonate is in eggshells, seashells ... Place the crushed eggshell and antacid tablet in a piece of paper. Place 1 Tablespoon of water and 1 Tablespoon of vinegar in each of two small plastic ...

There is also the possibility that these zones of water movement can exist as discrete systems and not in a uniformly permeable interconnected lattice 1. Consequently, the permeability of a ...

Hard water can be softened by adding sodium carbonate (washing soda) or by passing the water through an ion-exchange column. Sodium carbonate, Na 2 CO 3, is also known as washing soda. It can ...

Carbon dioxide reacts with water to produce carbonic acid. The double arrow means that carbonic acid breaks down pretty readily to form carbon dioxide and water again. A hydrogen atom from the ...

Scientists are studying the chemical composition of modern limestones and how water interacts with them to help understand the development of porosity in ancient carbonate builds-up through time. The ...