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- 15.00g of aluminum sulfide and 10.0g of water react until the limiting regeant is used up: AI2S3+6H2O=2AI(OH)3+3H2S What is the limiting regeant?For every one molecule of NaHCO3(s) there is one molecule of CO2(g) that forms: NaHCO3(s) + CH3CO2H(aq) --> CO2(g) + H2O(l) + NaCH3CO2(aq) This means that if we know how many moles of gas we need, we need the same number of moles of sodium bicarbonate to produce it. Now, we need something to fill with gas. I'll be filling a 1-quart sealable plastic bag. 1 quart is 946 mL (0.946 L). We can use the ideal gas law to determine how much gas (in moles) is needed to fill 946 mL. Remember there are four variables for the ideal gas law. Ideal Gas Law: PV = nRT P = pressure: typically 715 mm Hg in Spokane <-- unit dictates which R to use V = volume: 1 quart bag = 0.946 L <-- must be in Liters T = room temperature: 20 °C in my lab, +273 = 293 K <-- must be Kelvin n = moles: what we are solving for I used atmospheric pressure in mm Hg, so I'll have to pick the R value with "mm Hg" in the units: R = 62.4 L × m m H g K × m o l Now, use these values to calculate how many moles of…he production capacity for acrylonitrile (C3H3N)in the United States is over 2 billion pounds per year. Acrylonitrile, the building block tor acrylonitrile fibers and a variety of plastics, is produced from gaseous propylene, ammonia, and oxygen: :math>2C3H6(g)+2NH3(g)+3O22C3H3N(g)+6H2O(g) l type='a'> Assuming 100% yield, determine the mass of acrylonitrile which can be produced from the mixture below: l> Mass Reactant msp;5.23102g propylene td> msp;5.00102g ammonia td> msp;1.00103g oxygen td> i>What mass of water is formed from your mixture? Calculate the mass (in grams) of each reactant after the reaction is complete.
- A student synthesizes tin oxide to create a compound with generic formula SnxOy. She does this by combining 30.80 g of tin and when the tin oxide product is produced, the total mass of the product is 39.10 g. Given that tin has a molar mass of 118.71 g⋅mole-1, the number of moles of tin in the product is A) 3656.07 B) 0.25946 (dont round yet)What mass in grams of NaN, is required to produce 50.2 L of N2 gas density = 1.25 g/L according to the balanced chemical reaction:C9H8O4 is synthesized by reacting stoichiometric amounts of C7H6O3 and (CH3CO)2O, as shown by the balanced chemical equation in the picture: During the synthesis, 500 grams of salicylic acid was available for use in the experiment. Other information: MW of Salicylic Acid: 138.121 g/mol MW of Acetic Anhydride: 102.09 g/mol Density of Acetic Anhydride: 1/08 g/ml Question: The available Acetic anhydride reagent in the lab is in the liquid form. How many mL of Acetic anhydride is needed to react with the available salicylic acid stoichiometirically?
- How many moles of O2 will form when 40.0 moles of CO2 react with excess KO2? Enter your answer to the tenths place. Do not include units. 4KO2(s) + 2CO2(g) ⟶ 2K2CO3(s) + 3O2(g)How many moles of O2 will form when 1.818 moles of CO2 react with 3.583 moles of KO2? Enter your answer to the thousandths place. Do not include units. 4KO2(s) + 2CO2(g) ⟶ 2K2CO3(s) + 3O2(g)Q2: A fuel oil is burned with 65% excess air, and the combustion characteristics of thefuel oil are similar to a paraffin series dodecane C12H26. Determine: (a) the actualair/fuel ratio (A/F) on a mole basis, (b) the actual air/fuel ratio (A/F) on a mass basis,and (c) the actual volumetric (molar) analysis of the products of combustion. State allthe assumptions that you would made before solving this question. Air contains 21%O2 and 79% N2 by mole. Do not solve in tabulated form.
- Consider the following unbalanced equation: C2H6(g) + O2(g) → CO2(g) + H2O(g) Which amount requires more oxygen gas, 2.35 mol C2H6 or 30.6 g C2H6? What information do we need to determine which amount of C2H6 requires more oxygen gas? Select ALL correct options. Group of answer choices a 2.35 mol C2H6 b molar mass of C2H6 c balanced chemical equation d number of grams present in 1 kilogram e 30.6 g C2H6If a 1.101 g sample of an unknown organic molecule that contains C, H, and Cl is burned with excess oxygen gas to produce 1.977g of CO2 and 0.268 g of H2O by the generalized reaction below C[a] H[b] Cl[c] + excess O2 = xCO2+ yH2O+zCl2 Determine the mass % of Cl in the unknowna piece of zn metal (25)g reacts with 100ml of a 2m hcl solution to form zncl2 and h2 gas. What mass of H2 will be produced if the limitng reagant is fully consumed? How many moles of limiting reagant remains after the reatioin?