Steam is heated from 4 MPa, 480ºC to 4 MPa, 640ºC. Determine the heat added to the steam per unit mass.
What will be an ideal response?
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Which of the following statements about Pluto is true?
A) It has more in common with other icy objects in the Kuiper belt than it does with the jovian planets (Jupiter, Saturn, Uranus, Neptune). B) It is the most massive object that orbits the Sun beyond the orbit of Neptune. C) It is orbited by only one moon. D) It is the only object in our solar system that is categorized as a "dwarf planet."
When something is thrown over large distances (on Earth), what new factor comes into play?
a. The curvature of the Earth. b. The increase in gravity over long distances. c. The decrease in gravity over long distances. d. The tendency of thrown objects to fall to the ground. e. The difference between miles and kilometers.
The ____________________ of a black hole in a binary system can emit X-rays and allow us to detect the presence of the black hole
Fill in the blank(s) with correct word
Hundreds of complex organic molecules exist in deep space, especially in the giant molecular clouds
Indicate whether the statement is true or false