What mass of Ag2NO3 is needed to convert 3.46g of Na2CO3 to Ag2CO3. and calculate the mass of Ag2CO3 will be formed? Discuss your results 2AgNO3(aq)+Na2CO3(aq)¬Ag2CO(s)+2NaNo3
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- Cocaine (C17H21O4N) is a natural substance found in the leaves of the coca plant, which has been used for centuries as a local anesthetic and stimulant. Illegal cocaine arrives in the USA either as a pure compound or as the hydrochloride salt (C17H21O4NHCl). At 25oC, the salt is very soluble in water (2.50 kg/L), but pure cocaine is much less so (1.70 g/L). What is the maximum amount of salt (in gram) that can dissolve in 50.0 mL of water? [1 mark.] When a 25 mL aqueous solution that contains 62.50 g of the salt is treated with NaOH, the salt is converted to pure cocaine. How much water (in liters) is needed additionally to dissolve the formed pure cocaine? Round your final answer off to two decimal points. C17H21O4NHCl(aq) + NaOH(aq) → C17H21O4N(aq) + H2O(l) + NaCl(aq)2.48g of hydrated copper(ii)chloride (CuCl2.xH2O) were heated to constant mass. 1.96g of anhydrous copper(ii)chloride were obtained. determine the value of x in CuCl2.xH2O.(AO2)Hydrazine, N2H4, can be used as fuel to orient and maneuver spacecraft. The energy used to do so is obtained by reacting the hydrazine with dinitrogen tetroxide to form nitrogen gas and water vapor. a. Write and balance the chemical equation for this reaction. b. The spy satellite US-193 had 453 kg of hydrazine on board when it was destroyed. What mass of dinitrogen tetroxide would have had to be on board in order to completely react with the hydrazine? c. This reaction is a redox reaction. Assign oxidation states to each atom in the reaction, identify what is oxidized, what is reduced, the oxidizing agent, and the reducing agent.
- A sample of washing soda (a hydrate of sodium carbonate) has the formula Na2CO3.xH2O. When 2.558 –g sample of washing soda is heated at 125 oC, all the water of hydration is lost, leaving 0.948 g of Na2CO3, What is the value of x?2a. Calculate the volumes of ammonia and oxygen required to produce 28 moles of nitrogen dioxide. 4NH3(g)+7O2(g)→4NO2(g)+6H2O(l) 2b. What is the mass of nitrogen dioxide produced if the yield is 88%?Cocaine (C₁₇H₂₁O₄N) is a natural substance found in cocaleaves, which have been used for centuries as a local anestheticand stimulant. Illegal cocaine arrives in the United States eitheras the pure compound or as the hydrochloride salt(C₁₇H₂₁O₄NHCl). At 25C, the salt is very soluble in water(2.50 kg/L), but cocaine is much less so (1.70 g/L). (a) Whatis the maximum amount (in g) of the salt that can dissolve in50.0 mL of water? (b) If the solution in part (a) is treated withNaOH, the salt is converted to cocaine. How much additionalwater (in L) is needed to dissolve it?
- Coal is a leading source of energy for the world. While coal is primarily composed of carbon and hydrogen, a small amount of sulfur is also present. This leads to the production of pollutants such as sulfur dioxide (SO2) through the following reaction: S(s)+O2(g)→SO2(g) A sample of coal was found to contain 1.35% sulfur by mass. If 1,250 kg of this coal were burned, what mass of sulfur dioxide could theoretically be formed (in kg)?Cocaine(C17H21O4N) is a natural substance found in the leaves of the coca plant, which has been used for centuries as a local anesthetic and stimulant. Illegal cocaine arrives in the USA either as a pure compound or as the hydrochloride salt(C7H21O4NHCl). At 25 degrees celsius, the salt is very soluble in water(2.59kg/L), but pure cocaine is much less so(1.70g/L) a. What is the maximum amount of salt in grams that can dissolve in 50.0mL of water? b. When a 25mL aqueous solution that contains 62.50 g of the salt is treated with NaOH, the salt is converted to pure cocaine. How much water in liters is needed additionally to dissolve the formed pure cocaine,1- Alum used in cooking is potassium aluminum sulfate hydrate, KAl(SO4)2. XH2O. To find thevalue of X, you can heat the sample of compound. Assume you heat 4.74 g of the hydratedcompound and that sample loses 2.16 g of water. What is the value of X?
- Diiodine pentoxide is used in respirators to remove carbon monoxide from air. I2O5(s) + 5CO(g) → I2(s) + 5CO2(g)a) What mass of carbon monoxide could be removed from air by a respirator that contains 50.0 g of diiodine pentoxide, and what mass of I2 would remain in the respirator?Pentaerythritol tetranitrate (abbreviated PETN, chemical formula C5H8N4O12) is an explosive material with a structure that is very similar to nitroglycerin. It is one of the components of plastic explosives such as Semtex. The explosion of PETN can be represented by: C5H8N4O12(s)→2CO(g)+4H2O(g)+3CO2(g)+2N2(g) A plastic explosive charge is formed into a cylinder about 30 cm long and about 2 cm in diameter. It weighs about 276 grams and is 58.5% PETN by mass. What is the total number of moles of gas produced when this plastic explosive charge explodes?7.A 4.035 gram sample of an organic compound containing only C, H, and O is analyzed by combustion analysis and 5.721 g CO2 and 3.514 g H2O are produced.In a separate experiment, the molar mass is found to be 62.07 g/mol. Determine the empirical formula and the molecular formula of the organic compound.Enter the elements in the order C, H, Oempirical formula = _______molecular formula =_______