Chemistry, 10.10.2019 02:30 Pipemacias1711
Quenching lead shot in a bath. lead shot having an average diameter of 5.1 mm is at an initial temperature of 204.4°c. to quench the shot, it is added to a quenching oil bath held at 32.2°c and falls to the bottom. the time of fall is 15 s. assuming an average convection coefficient of h = 199 w/m².k, what will be the temperature of the shot after the fall? for lead, p = 11 370 kg/m and cp = 0.138 kj/kg . k.
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Chemistry, 22.06.2019 00:30
Elements that do not have full outer electron shells will donate, share, or take electrons from other atoms. choose the items that have the correct binary ionic formula.
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Chemistry, 22.06.2019 21:00
Kp is the equilibrium constant for dissociation of the propionic acid dimer. what is the sign of the slope for a plot of the natural logarithm of kp vs. inverse temperature for this reaction?
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Which best describes the present-day universe? opaque, expanding very slowly, stars produce heavy elements transparent, expanding at an accelerated rate, stars produce heavy elements opaque, expanding at an accelerated rate, stars produce only hydrogen and helium transparent, expanding very slowly, stars produce only hydrogen and helium
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Chemistry, 23.06.2019 08:30
Plz a person walks 1 mile every day for exercise, leaving her front porch at 9 am and returning to her front porch at 9: 25 am what was the total displacement of her daily walk a. 1 mile b. 0 c. 25 min d. none of the above
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Quenching lead shot in a bath. lead shot having an average diameter of 5.1 mm is at an initial tempe...
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