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- When calcium carbonate is heated strongly, it evolves carbon dioxide gas. CaCO3(s)CaO(s)+CO2(g) 25 g of CaCO3 is heated, what mass of CO2would be produced? What volume would this quantity of CO2 (CU at STP?Without consulting your textbook, list and explain the main postulates of the kinetic molecular theory for gases. How do these postulates help us account for the following bulk properties of a gas: the pressure of the gas and why the pressure of the gas increases with increased temperature; the fact that a gas tills its entire container; and the fact that the volume of a given sample of gas increases as its temperature is increased.ebixoiC 4 During the production of ammonia, hydrogen is produced from the steam reforming of methane. In the reformer methane gas is reacted with excess water and the resulting mixture is found to contain 12 kg of hydrogen and 15 kg water. Assuming all the methane is reacted calculate the amount of water used.
- True or False: Nitrogen Oxide is present in automobile exhaust.A 6.79 g sample of NH, gas and a 6.79 g sample of HCl gas are mixed in a 1.50 L flask at 25 °C. < EFeedback You have not correctly determined the mass of NH,Cl formed. Identify the limiting reagent. Convert the given mass of the limiting reagent to the mass of NH,Cl using the NH; mole ratio from the balanced chemical HCI equation and the molar masses for both NH,CI the limiting reagent and the NH,Cl as conversion factors. How many grams of NH,Cl will be formed by this reaction? 0.273 mass: Incorrect What is the pressure in atmospheres of the gas remaining in the flask? Ignore the volume of solid NH,Cl produced by the reaction. P = 3.42The density of F2 gas is 1.70 g/L.How many moles of F2 gas are present in a 475 L sample of a gas mixture that is 4.00 % fluorine and 96.00 % helium?
- When atomic phosphorous (P) and oxygen are directly combined and react, P4O10 is produced. Write the balanced chemical equation for this reaction. What is the coefficient of oxygen?Consider the following reactions:CoO (s) + CO (g) D CO2 (g) + Co (s) Kc(1) = 490.2 CoO (s) + 2 H2 (g) D 2 Co (s) + 2 H2O (g) Kc(2) = 4.5 x 103a. Write the overall equation for the reaction of hydrogen gas and carbon dioxide gas to produce carbon monoxide gas and steam.The molar mass of an unknown volatile liquid was determined using the Dumas method. From the following data, calculate the molar mass of theliquid. Mass of empty flask 65.347 g Mass of flask with condensed liquid = 65.739 g Mass of flask filled with water (room temperature) = 327.4 g Atmospheric pressure = 743.3 Torr Temperature of boiling water = 99.8°C Density of water at room temperature = 0.997 g mL1 [Answer: 46.7 g mol] %3D
- Ise SEVENTH EDITION sented by Macmillan Leaning Calculate the number of pounds of CO, released into the atmosphere when a 13.0 gallon tank of gasoline is burned in an automobile engine. Assume that gasoline is primarily octane, CaH8, and that the density of gasoline is 0.692 g · mL1. This assumption ignores additives. Also, assume complete combustion. 600.54 CO, released: lb IncorrectHow many moles of gas would be produced if this amount of sodium bicarbonate reacted completely with acetic acid, which you added as vinegar?Solid phosphorus and chlorine gas combine to produce phosphorus trichloride gas . Write a balanced chemical equation for this reaction.
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