Hilda1383idn
Answered

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A student notices that an inflated balloon gets larger when it is warmed by a lamp. Which best describes the mass of the balloon as a result of this change?
 
  A. The mass of the balloon increases because the size of the balloon has increased.
  
  B. The mass of the balloon increases because the temperature of the balloon has increased.
  
C. The mass of the balloon stays the same because the gas inside the balloon still has same mass after it warms up.

D. The mass of the balloon stays the same because warming decreases the mass enough to cancel out the effect of  increasing the size.
                  

                                    Please explain why you chose your answer

Sagot :

AL2006idn
A). No.  Mass doesn't just appear out of thin air.  The total amount of mass never changes, no matter what you do to it.

B). No.  Same reason as (A).

C). Yes.   The total amount of mass never changes, no matter what you do to it.

D).  No.  The amount of mass never changes, no matter what you do to it.
Marley101idn
C is the correct answer
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