Calculate the pressure of the gas if its volume is changed
A sample of gas occupies a volume of 400 mL at 0.740 atm and 70 oC. Calculate the pressure of the gas if its volume is changed to 360. mL while its temperature is held constant.
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A 10.9-g mixture of nitrogen and carbon dioxide is found to occupy a volume of 8.88 L when measured at 641.9 mmHg and 28.5oC. What is the mole fraction of nitrogen in this mixture?
Steam enters the first-stage turbine shown in Fig. 2 at 40 bar and 500°C with a volumetric flow rate of 90 m3/min. Steam exits the turbine at 20 bar and 400°C.
The volume of a component is to be measured by a process whose uncertainty is 0.05 ml. If 25 independent measurements are made and the average of these is used to estimate the volume, what will the uncertainty be?
An organic liquid is a mixture of methyl alcohol and ethyl alcohol. A 0.220g sample of the liquid is burned in an excess of O2(g) and yields 0.342 g CO2(g). What is the mass of methyl alcohol in the sample?
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A satellite is in Earth with an altitude at perigee of 550 km and an altitude at apogee of 5000 km.
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