Change in the length of the pendulum rod
A grandfather clock is controlled by a swinging brass pendulum that is 0.90 m long at a temperature of 30.°C.
(a) What is the change in the length of the pendulum rod when the temperature drops to 0.0°C?
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A grandfather clock is controlled by a swinging brass pendulum that is 0.90 m long at a temperature of 30.°C. (a) What is the change in the length of the pendulum rod when the temperature drops to 0.0°C?
A solution made by mixing 45.0 ml of 0.360 M propionicacid, CH3CH2COOH, and 10.0 ml of 1.40 M sodiumpropionate, CH3CH2COONa, has a pH of 3.81. Calculate the corresponding value of Ka for propionic acid.
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