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tester [92]
3 years ago
9

The emission spectrum for an element is _____.

Physics
2 answers:
alexira [117]3 years ago
8 0

Answer:

A) specific to each different element and C) used to identify an unknown substance.

Explanation:

Margarita [4]3 years ago
4 0
The answers are A) specific to each different element and C) used to identify an unknown substance. The emission spectrum is the spectrum of frequencies of electromagnetic radiation. This radiation emitted due to the transition making from a high energy state to a lower energy state of an element.
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Natasha2012 [34]

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3 0
4 years ago
If steam enters a turbine at 600°K and is exhausted at 200°K, calculate the efficiency of the engine.
alekssr [168]
Answer: e = 3.333% or 33 1/3%
                       ^
                  repeated

Identify the given information.
Work input (Wi)= 600 K
Work output (Wo) = 200 K

Choose which formula you should use. In this case, you are finding efficiency.
e =  (Wo/Wi) x 100%

Substitute and solve. 
e = (200 K/600 K) X 100%
e = 0.333 X 100%
e = 33.333% or 33 1/3%
5 0
3 years ago
Read 2 more answers
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