Cos chapter 12 | Flashcards

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Question

Inorganic chemistry is the study of substances that do not contain the element carbon, but may contain which element?

Answer

Hydrogen 

Question

A substance that cannot be broken down into simpler substances without a loss of identity is _____________

Answer

an element 

Question

Chemically combining two or more atoms in definite proportion forms ____________

Answer

a molecule 

Question

A(n) ______________ is a stable physical mixture of two or more substances on a solvent 

Answer

solution 

Question

A(n) ____________ is a substance dissolved into a solution 

Answer

solute 

Question

Liquids that are not capable of being mixed together to form stable solutions are considered _____________

Answer

immiscible 

Question

Unstable physical mixtures of undissolved particles in a liquid are _________________

Answer

suspensions 

Question

An unstable physical mixture of two or more immiscible substances plus a special ingredient is _______________

Answer

an emulsion 

Question

A substance that allows oil and water to mix or emulsify is _____________

Answer

a surfactant 

Question

The tail of a surfactant molecule is oil-loving or _________________

Answer

lipophilic 

Question

An atom or molecule that carries an electrical charge is called an _______________

Answer

ion 

Question

Alpha hydroxy acids (AHAs) are derived from _______________ and used in the salon to exfoliate the skin and to help adjust the pH of certain products 

Answer

plants 

Question

Chemical reactions that release a significant amount of heat under certain circumstances are _______________

Answer

exothermic 

Question

A substance that has a pH below 7.0 is considered to be ____________

Answer

acidic 

Question

Alkanolamines are often used in place of ammonia because they ____________ 

Answer

produce less odor 

Question

Which of these is NOT composed of organic chemicals?

Answer

Minerals 

Question

Elemental molecules contain two or more __________________ of the same element in definite proportions 

Answer

atoms 

Question

Vapor is ______________ that has evaporated into a gas-like state 

Answer

a liquid 

Question

An oxidizing agent is a substance that releases ______________

Answer

oxygen 

Question

A pure substance is a chemical combination of matter in __________ proportions 

Answer

fixed 

Question

The glitter in nail polish that can separate from the polish is an example of ________________

Answer

a suspension 

Question

Water-in-oil emulsions feel ___________ than oil-in-water emulsions 

Answer

greasier 

Question

The ingredient used to raise the pH in hair products to allow the solution to penetrate the hair shaft is ______________

Answer

ammonia 

Question

Volatile organic compounds contain ______________ and evaporate very easily 

Answer

carbon 

Question

The chemical reaction that combines a substance with oxygen to produce an oxide is ______________

Answer

oxidation 

Question

The term LOGARITHM means multiples of _____________

Answer

10 

Question

A chemical reaction in which oxidation and reduction take place at the same time is ____________

Answer

redox 

Question

Any substance that occupies space and has mass is ______________

Answer

matter 

Question

Characteristics that can only be determined by a chemical reaction and a chemical change in the substance are _____________

Answer

chemical properties 

Question

A chemical combination of matter in definite proportions is a(n) ______________

Answer

pure substance 

Question

A physical combination of matter in any proportion is a ______________

Answer

physical mixture 

Question

The ____________ is the smallest chemical component of an element 

Answer

atom

Question

Rapid oxidation of a substance accompanied by the production of heat and light is _______________

Answer

conbustion 

Question

Characteristics that can be determined without a chemical reaction and that DO NOT involve a chemical change in the substance are ____________

Answer

physical properties