Discuss why is the c18 column used to separate the capsaicin
1. Determine the final temperature when 50mL of water at the 40 degrees C are added to 25mL of water at 20 degrees C
2. Discuss why is the C18 column used to separate the capsaicin's considered the "reversed phase"?
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Benzoic acid (C7H6O2, 1.9862 g) was ignited in a bomb calorimeter containing water (2 kg) as the primary heats ink. The temperature increase observed was 3.83oC. The heat of combustion of benzoic acid is-3226.7 kJmol-1
(i) Determine the tangential acceleration of a point on the rim of the flywheel throughout this spin-up process? (ii) Find out the radial acceleration of this point if the flywheel is spinning at full speed? (iii) Through what distance does a poin
What is the heat capacity of the metal when a piece of metal weighing 10 g at a temp of 38C was placed into the 1.00 mL of water in a calorimeter at the 22C, and the final equilibrium temp was found to be 28C.?
(i) When its initial speed was 6.0 m/s, determine the magnitude of the frictional force? (ii) Determine the coefficient of friction among the puck and the ice?
Determine the final temperature when 50mL of water at the 40 degrees C are added to 25mL of water at 20 degrees C
A baseball of 175 g moving all along the x-axis with the speed 36.0 m/s, hits a fence at a 45 degree angle and rebounds all along the y-axis with unchanged speed. Write down the x and y components of its change momentum.
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You drop a ball of 10 g from a height of 1.0 m and it just bounces back to the height of around 0.70 m. Find out the net impulse on the ball when it strikes the floor? (Avoid air resistance)
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