1. A lead rod has a length of 129.4 m when the temperature is 29.4 degrees celsius. What is its length when the temperature is 63.8 degrees celsius? 2. A cylinder containing 229.6 cubic centimeter of gas at a pressure of 190 kPa when its temperature is 423 K. Given that its temperature is unchanged when the pressure was increased by a factor of 3.1, Determine the new volume of the gas (In cubic centimeter). 3. If the temperature change of a steel pot is 28.6 then the same temperature change in Fahrenheit is