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www.reference.com/world-view/red-yield-sign-mean-67ef0dc0e04f0bad

A red yield indicates that a driver must prepare to come to a full stop and yield to pedestrians and vehicles with the right-of-way if either are present, according to the New York State Department of Motor Vehicles. If neither is present, the driver may proceed without stopping.

www.reference.com/article/chemistry-8c236b6e957ea466

Chemistry is the scientific study of the composition, properties and interactions of organic and inorganic matter. Chemistry is commonly used in fields of science and medicine, according to About.com.

www.reference.com/article/co-chemistry-40857c0692f7a342

CO is the molecular formula for carbon monoxide. Carbon monoxide is a toxic gas, and continuous exposure to high concentrations of carbon monoxide can be fatal to both humans and animals.

www.reference.com/article/chemistry-important-2eebcf541dc4dd8

Chemistry is important because it explains life and industrial processes, such as cooking, medicine, cleaning and environmental issues. Knowledge of chemistry helps people to make decisions that affect their lives, such as safe use of household chemicals. Chemistry is also important because everythi

www.reference.com/article/definition-actual-yield-f136786edb31f70f

Actual yield is defined as the amount of a specified substance produced at the end of a chemical reaction performed in actuality, rather than theoretically. Actual yield is very often lower than the amount of substance predicted by chemical equations.

www.reference.com/article/definition-yield-management-46b2119e2e1c345

Yield management refers to the process of examining and analyzing the actions of consumers in order to set variable prices for a perishable product or service at the maximum amount of profit. Some of the factors considered include buying patterns, timing and price.

www.reference.com/science/base-chemistry-5f63b47397982bb8

According to Anne Helmenstine, Ph.D of About: Chemistry, bases are the chemical opposite of acids. Bases react with acids to form salts and water.

www.reference.com/article/solution-chemistry-27beb9fa43808fb5

By definition, the term solution in chemistry refers to a homogeneous mixture. The mixture can include two or more different substances. Solutions can also exist in liquid, solid or gaseous states.

www.reference.com/science/types-solutions-chemistry-bc5c9c5f33e68ee5

There are three types of solutions in chemistry: gaseous solutions, liquid solutions, and solid solutions. These are equivalent to the three main phases used in chemistry.

www.reference.com/article/basic-solution-chemistry-f30307dc367f08cb

A basic solution is a liquid mixture that has a pH level greater than 7, which typically means there are a greater number of hydroxide ions than hydrogen ions. Basic solutions are typically formed by mixing a base, like sodium hydroxide and water.