1 1.3.5 Qute Using Models Question 3 of 5
This student is holding a model of the human brain.
What are two benefits of this model?
A It shows how the parts of the brain fit together
B. It shows how the brain works in the body
C. It shows the location of the brain in the body
D. It shows the shape of the brain
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The drawing represents the movement of particles in a substance. what changes of state can this substance undergo

Which of these is not an example of chemical weathering? a. iron-rich mineral rusting b. feldspar turning into clay c. limestone reacting with acid d. granite breaking up into sand

100 grams of molten lead (600°c) is used to make musket balls. if the lead shot is allowed to cool to room temperature (21°c), what is the change in entropy (in j/k) of the lead? (for the specific heat of molten and solid lead use 1.29 j/g⋅°c; the latent heat of fusion and the melting point of lead are 2.45 × 104 j/kg and 327°c, respectively.)