Examlex
A heat engine absorbs 64 kcal of heat from a hot reservoir and exhausts 42 kcal to a cold reservoir each cycle.Its efficiency is
Percent Change
The measure of how much a quantity has grown or shrunk, represented as a percentage of the original quantity.
Unit Price
The price attributed to an individual unit of a product or service.
Retail Price
The price at which a product is sold to the end consumer, incorporating all costs plus a profit margin.
Simplify
To make something easier to understand or to reduce to a simpler form.
Q3: The greatest degree of ionic character is
Q21: Sound has a velocity of 335 m/s
Q32: Which molecule has the shortest carbon-carbon single
Q43: Which of the following statements about electromagnetic
Q62: The fact that most solids have molar
Q64: An alkene adds hydrogen in the presence
Q91: A 250-g piece of lead is heated
Q112: Neutral divalent carbon compounds are called _.
Q137: Which of these is not a possible
Q156: When the 1s orbitals of two hydrogen