Examlex
When a substance melts at its normal melting point,the sign of ΔH is ________ and the sign of ΔS of this phase change is ________.
Popular Culture
Popular culture refers to the set of ideas, perspectives, attitudes, images, and other phenomena that are within the mainstream of a culture, especially Western culture during the late 20th and early 21st centuries.
Military Might
The ability or capacity of a nation's armed forces to use force, especially as a means of defense or warfare.
Auto Manufacturers
Companies engaged in the design, development, manufacturing, marketing, and selling of motor vehicles.
Oil Companies
Corporations involved in the extraction, production, refinement, and distribution of oil and petroleum products.
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