1. A tape is known to have expanded 56 mm. At the beginning of the experiment, the tape measured 80 m at 20C, expansion was achieved at expansion was achieved when reaching an ambient temperature of 45C. What is the coefficient of linear expansion?

2. From a glass tube of 1.5 cm in diameter, 5.4 cc of mercury has been spilled as it has increased from 20C to 100C. increase from 20C to 100C. What is the height occupied by the mercury?

3. What is the amount of heat necessary to raise the temperature from -130C to 0C by melting a mass of 16 kg of ethanol?

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