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Author Question: The internal energy can be increased by ________. (a) transferring heat from the surroundings to ... (Read 60 times)

2125004343

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on: Aug 27, 2018
The internal energy can be increased by ________.
 
  (a) transferring heat from the surroundings to the system
   (b) transferring heat from the system to the surroundings
   (c) doing work on the system
 
  A) a only
  B) b only
  C) c only
  D) a and c
  E) b and c

Question 2

Pb (as Pb2+) is
 
  A) toxic at all concentrations.
  B) safe at all concentrations.
  C) toxic at high concentrations but not at low concentrations.
  D) toxic to children but not to adults at high concentrations.

Question 3

Rank the penetrating power of nuclear radiation from the least to most penetrating.
 
  What will be an ideal response?


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krakiolit

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Reply #1 on: Aug 27, 2018
Answer to Question 1

D

Answer to Question 2

C

Answer to Question 3

(Most penetrating) Gamma rays, beta particles, alpha particles (Least penetrating)


2125004343

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  • Posts: 566
Reply 2 on: Aug 27, 2018
:D TYSM

tuate

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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