A 100 gram piece of ice is placed in an insulated calorimeter of negligible heat capacity containing 100 grams of
water at 373K.
a. What is the final temperature of the water once thermal equilibrium is established?
b. Find the entropy change of the universe for this process.
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Two charged particles, q1 and q2, are located on the x-axis, with q1 at the origin and q2 initially at x1 = 12.2 mm. in this configuration, q1 exerts a repulsive force of 2.62 µn on q2. particle q2 is then moved to x2 = 18.0 mm. what is the force (magnitude and direction) that q2 exerts on q1 at this new location? (give the magnitude in µn.)
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