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Answer the following items scientifically.
- Using the concept of kinetic molecular theory, explain why a solid can directly evaporate.
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- 1 kg of a gas at a temperature of 40° C and a pressure of 120 Pa occupies a volume of0.25m°. If the Cv of the gas =743 J/Kg.K Find:a.The characteristic gas constantb.The molar mass and relative molecular massC.The specific heat capacity at constant pressured. The ratio of specific heats question is attached please solve showing full working and all formulas used along with all explanations and solve all section also there is a typing error its molar mass not modularConsider an ideal gas at temperature T = 578 K and pressure p = 2 atm. Calculate the average volume per molecule in this gas in units of cubic nanometers (a nanometer is 10-9 m). Do not include units in your answer and state your answer as a number in normal form.Compute the density of a substance if its pressure and temperature are 350 kPa absolute and 20°C, respectively. The gas constant of the substance is 0.462 kPa-m³/kg-°K.
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