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1. Air at 20°C and atmospheric pressure flows horizontally through a collection chamber 3 m high and 5 m long. The air carries particles 70 µm diameter, with a specific gravity of 1.5. What is the maximum air speed that can be used to ensure that all particles have settled out in the chamber?
2. Air at 60°F and atmospheric pressure flows horizontally at a speed of 1 f t/s through a collection chamber 12 ft high. The air carries particles 0.002 in. diameter, with a specific gravity of 2.0. What is the minimum length of the chamber necessary to ensure that all particles are collected?
Sodium metal reacts with water to produce hydrogen gas and sodium hydroxide according to the chemical equation shown below. When 0.030 mol of Na is added to 100.00 g of water, the temperature of the resulting solution rises from 25.00°C to 37.90°C
How many moles of chloride ions are there?
Hydrogen gas (a potential future fuel) can be formed by the reaction of methane with water according to the following equation: CH4(g)+H2O(g)?CO(g)+3H2(g) In a particular reaction, 26.0L of methane gas (measured at a pressure of 734torr and a temp..
Is 1-propanol soluble in hexane? Why or why not? What is the sketched formula for ethyl methyl ester and is it an isomer of butanoic acid? If not, what is the isomer of butanoic acid?
Consider the reaction 4KO2(s) + 2CO2(g)->2K2CO3(s) + 3O2(g) . How much KO2 is needed to react with 75.0 L of carbon dioxide at STP?
Question- The highest possible oxidation state for halogens is +7 and the lowest possible is -1. Which of the following could not disproportionate
write the balanced reaction for the equilibrium. if CoCl6(4-) solubility is endothermix, predict what will happen to the solution color of the solution is heated.
which is present in all living tissue radioactivelydecays via a first order process. a one-gram sample of woodtaken
In a high-altitude city, the normal atmospheric pressure is 619.0 torr. Use the Clausius-Clapeyron equation to estimate the boiling point of water in this city. The heat of vaporization of water is 40.70 kJ/mol.
The water level in a graduated cylinder initially at 220 rises to 279 after a piece of lead is submerged. What is the mass in grams of the lead.
A water sample contains 204 mg of CaSO4 per liter. Calculate the hardness in terms of CaCO3 equivalents
one mole of a monatomic ideal gas is held at a constant temperature of 300k while the volume is changed reversibly form
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