Flashcards in this year chapter 3 Deck (15):
pulling to chemicals together
a chemical substance that neutralizes alkalis, dissolves some metals, and turns litmus red; typically, a corrosive or sour-tasting liquid of this kind.
a main or important element or ingredient to which other things are added.
a thing, especially a trend or fact, that indicates the state or level of something.
a figure expressing the acidity or alkalinity of a solution on a logarithmic scale on which 7 is neutral, lower values are more acid, and higher values more alkaline. The pH is equal to -log10 c, where c is the hydrogen ion concentration in moles per liter.
a white crystalline substance that gives seawater its characteristic taste and is used for seasoning or preserving food.
not helping or supporting either side in a conflict, disagreement, etc.; impartial.
a compound of hydrogen and carbon, such as any of those that are the chief components of petroleum and natural gas.
any of a large group of organic compounds occurring in foods and living tissues and including sugars, starch, and cellulose. They contain hydrogen and oxygen in the same ratio as water (2:1) and typically can be broken down to release energy in the animal body.
any of a class of organic compounds that are fatty acids or their derivatives and are insoluble in water but soluble in organic solvents. They include many natural oils, waxes, and steroids.
any of a class of nitrogenous organic compounds that consist of large molecules composed of one or more long chains of amino acids and are an essential part of all living organisms, especially as structural components of body tissues such as muscle, hair, collagen, etc., and as enzymes and antibodies.