Which of these is true about mass?
I. It is the amount of matter an object consists of
II. It...
Which of these is true about mass?
I. It is the amount of matter an object consists of
II. It is an objects weight
III. Inertia is a consequence of having mass
IV. It changes with the strength of gravity g
A) I only
B) II only
C) I and II
D) I and III
E) all of these are true for mass
Answers: 2
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A175 g lump of molten lead at its melting point (327 c) is placed into 55.0 g of water at 20.0 c. the specific heat of lead is 130.j/kg c and the hf of lead is 20,400 j/kg. when the lead and the water have reached equilibrium, what is the temperature of the mixture?
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Examine the drawing of a molecule. each ring represents an atom of nitrogen (n). what’s the chemical formula of this substance?
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