Chemistry, asked by shalokama, 7 months ago

streams of methane and air (79 mole% n2, the balance o,) are combined at the inlet of a combustion furnace preheater. the pressures of each stream are measured with open-end mercury manometers, the temperatures are measured with resistance thermometers, and the volumetric flow rates are measured with orifice meters 3.53. measurement point 1 ch measurement point 3 preheater air measurernent point 2 data: flowmeter 1: v = 947 m / h flowmeter 2: v2 = 195 m / min manometer 1: h = 232 mm manometer 2: hz = 156 mm manometer 3: h = 74 mm resistance thermometer 1: = 26.159 ohms resistance thermometer 2: n 26.157 ohms resistance thermometer 3: r 44.789 ohms atmospheric pressure: a sealed-end mercury manometer reads h 29.76 in. the resistance thermometers were calibrated by measuring their resistances at the freezing and boiling points of water, with the following results: t 0 ° c: t 100 ° c: r = 33.028 ohms r 23.624 ohms a straight-line relationship between t and r may be assumed. the relationship between the total molar flow rate of a gas and its volumetric low rate is, to a good approximation, given by a form of the ideal gas equation of state: 12.186p (atm) v (m? / s) t (k a where p is the absolute pressure of the gas.

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