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HELP PLEASE! 1. In an alcohol-in-glass thermometer, the alcohol column has length 11.82 cm at 0.0°C and length 25.85 cm at 100.0°C. (a) What is the temperature if the column has length 16.10 cm? __°C (b) What is the temperature if the column has length 21.00 cm? __ °C 2.In an internal...

I need a little help please. These problems are killling me! -_-" 1: A tire is filled with air at 15°C to a gauge pressure of 235 kPa. If the tire reaches a temperature of 35°C, what fraction of the original air must be removed if the original pressure of 235 kPa is to be maintained? 2.A...

A tank contains 20.0 kg of O2 gas at a gauge pressure of 8.30 atm. If the oxygen is replaced by helium, how many kilograms of the latter will be needed to produce a gauge pressure of 7.00 atm? ____ kg

By what factor will the rms speed of gas molecules increase if the temperature is increased from 0°C to 90°C?