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Q: Mass of magnesium (g) 0.016 Moles of magnesium (mol) 0.00066 25.0 Temperature of water (°C)…
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Q: 3. Souring of wine occurs when ethanol is converted to acetic acid by oxygen: C2H$OH) + O2(g)*…
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A: (1) (a) Given, 100 ml of 0.250 M HBr Therefore number of mmols of HBr =(100 x 0.250) = 25 mmol…
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A: Sulfuric acid is a strong dibasic acid. H2SO4 <---> H+ + HSO4- HSO4- <----> H+ + SO42-…
Q: Consider the reaction between magnesium metal, Mg, and HCe(aq) to produce aqueous magnesium chloride…
A: It is given that 12.15 g of magnesium is reacting with an excess of HCl, to produce MgCl2 and H2,…
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Q: A solution is prepared by adding 0.19 mole of Ni(NH3), Cl2 to 0.50 L of 3.9 M NH3. Calculate Ni…
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Q: 2) If cobalt(II) sulfate is heated too strongly, the following reaction will occur COSO4(s) → CoO(s)…
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Q: s.com/course.html?courseld%3D15828855&HeplD353706194671Of71a192e43597b01c6e0#10301 Principles of…
A: Given, Volume of gaseous CH4 burned = 0.55L. The balanced equation for combustion of methane with…
Q: (4) Calculate the molarity (M) of nitric acid if its concentration is 80.0% (w/w), and its density…
A: (1) Molarity of the solution can be defined as the mass of solute which is present in a litre of…
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A: The volume of N2 is to be calculated.
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Q: Dapsone tablets, labelled 50 mg has an average tablet weight of 0.6509 g. 2.0g of powdered tablets…
A: Given: Dapsone tablets, labelled 50 mg has an average tablet weight of 0.6509 g. Mass of powdered…
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A: The method to prepare a 2.0 L solution of 1M MgCl2 from a 4M MgCl2 stock solution is to be described
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Q: Dapsone tablets, labelled 50 mg has an average tablet weight of 0.6509 g. 2.0g of powdered tablets…
A: The balanced reactions given are, 1) NaNO2 + HCl → HNO2 + NaCl2) R-NH2 + HNO2 + HCl → R-N2Cl + 2 H2O…
Q: Astatine Iodide, AtI, is the heaviest known interhalogen compound. To produce AtI, astatine should…
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Q: Souring of wine occurs when ethanol is converted to acetic acid by oxygen: C2H5OH(l)…
A: a. When oxygen is leaked into the wine, it reacts with ethanol forming acetic acid and water. 1…
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A: Given information: Range of mercury = 50-200 ppb Mass of coal = 1.5 million tons = 1.5 x 106 tons…
Q: (a) Phosphine gas, PH can be prepared by adding phosphorus, P, to warm concentrated 8. aqueous…
A: The balanced reaction taking place is given as, => P4 (s) + 3 NaOH (aq) + 3 H2O -------> PH3…
Q: Detonation of nitroglycerin proceeds as follows:4 C3H5N3O9(l)------>12 CO2(g) + 6 N2(g) + O2(g) +…
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Q: Calculate the volume of 0.4000M NaOH required to take the reaction of HCl+NaOH>H2O+NaCl to 70%…
A: In order to calculate the volume of NaOH required for the neutralization, we should calculate the…
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A: Given, Time = 0.75 hours Production of CO2 / person =0.018 m3/h Outdoor concentration = 390 ppm…
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A: 2.90 moles of iron are produced with the help of the volume of carbon dioxide, therefore, the volume…
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A: Here we are required to find the mole fraction of ammonia.
Q: A 2.37 mol sample of NO, (g) is added to a 3.75 L vessel and heated to 100° C. N,0,(g) = 2 NO,2(g)…
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Q: 2. Calculate the value for R using the following information Determine the limiting reagent if 0.084…
A: Mg (s) + 2 HCl (aq) → MgCl2 (aq) + H2(g) It is given that,mass of Mg reacted = 0.084 g volume of…
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A: For a given reaction a chemical equation is its symbolic representation in the form of chemical…
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Q: ← MasteringChemistry: Chapter 8: X 220215 SCHE-1008-02: Activity x + https://session.mastering…
A: Given, The initial volume of H2 balloon = 36000 L. At pressure = 757 mmHg and temperature = 22 °C.…
Q: The student reacts the magnesium with 6.66 mL of 6 M HCl. Demonstrate that the amount of HCl is in…
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Q: mass of eva dish+soap= 87.278 mass of evaporachingd=60.2055 moss of evadishE =67.206 soap Lab 4:…
A: After heating, the water content of the salt solution will evaporate leading to a smaller mass of…
Q: A reaction of 0.028 g of magnesium with excess hydrochloric acid generated 31.0 mL of hydrogen gas.…
A: The balanced chemical equation for the reaction of magnesium with hydrochloric acid is:- Mg(s) +…
Q: Baking soda (sodium hydrogen carbonate) is used as a leavening agent on making bread according to…
A: The balanced reaction is: NaHCO3(s)+HCl(aq)→H2O(l)+CO2(g)+NaCl(aq) Calculation of no. of mol of…
Q: A chemist prepares a solution of zinc oxalate (ZnC,04) by measuring out 0.00346 µmol of zinc oxalate…
A: Molarity : It is the number of moles of the solute dissolved per litre of the solutionMolarity = NO.…
Q: For the reaction: 2 NO2 (g) + O2 (g) --> 2 NO3 (g) at 923 °C , Kc is 42.5. If 0.0500 moles of NO2…
A: Equilibrium constant is defined as concentration of reactant and product at equilibrium
Q: of gas welC 1ONH 2.4. 48 g of sodium hydride were reacted with 2 L of water. Find mass fraction of…
A: Mass fraction=mass of NaOH/Mass of solution Mass of solution = mass of NaoH + mass of H2O + mass of…
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A: GivenIdeal gas equationSolve it for n = No of moles PV = To be determined Molar Mass = To be…
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Q: A student performed a lab where ammonia and oxygen gases were bubbled through water at different…
A: When a solute is dissolved in a solvent or a solution, the solubility of the solute depends in the…
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A: The given Picture is the hydrolysis of protein catalysed by the enzyme histidine.
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A: First the number of moles of air is calculated using PV= nRT formula.
Q: 2. A 1.43g mixture of KCl and KCIO, is heated. When heated, the KCIO, decomposes as follows:…
A: At STP, volume of 1 mole gas = 22.41 L Volume of oxygen gas = 243 mL
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- for the reactor below:N2(g)+ 3H2(g) -> 2Nh3(g)Kc= 9.60 at 300degrees celcius Calculate Kp for the reactor at the same temperatureA 51.0-LL reactor at 1600 KK is charged with 50.0 gg of NiO(s)NiO(s) and 1.40 atmatm of CO(g)CO(g). After equilibrium is reached, what is the partial pressure of CO2(g)CO2(g) in the reactor?Zinc may be directly leached from zinc-lead sulphide concentrates by reaction with sulphuricPbS(s) + H2SO4 + 1 O2(g) → PbSO4(solid) + S° + H2O 21ZnS(s) + H2SO4 + 2 O2(g) → ZnSO4(aq) + S° + H2Oacid and oxygen. In addition, lead sulphide will be oxidized to give insoluble lead sulphate:Assume that a plant is to treat 400 t/day of concentrate containing 20.0 weight % Zn as ZnS and 110.0 weight % Pb and PbS. The concentrate and leach solution enters the leaching vessel at 32.0% solids. During the leach, 85.0% of the zinc is extracted and all the lead sulphide is oxidized. After the leaching step, the slurry passes to a thickener.(a) Calculate the concentration of Zn (in g/L) in the solution passing to metal recovery. Assume a solution density of 1.11 g/mL.(b) Calculate the tonnes per day of elemental sulphur produced.NOTE: “% solids†is the solids content of a slurry (consisting of particles and solution) and is defined as…
- A) Generate a graph of ln Ksp vs 1/T (K) and find the best-fitting line. This line equation will give you the slope, which is -∆H˚/R and an intercept of ∆S˚/R. B) Determine ∆G˚ at 298K Borax is also useful as a water softener. Hard water is caused primarily by the presence of magnesium and calcium ions, which enter the water supply from minerals (calcite, gypsum and dolomite) within an aquifer. Hard water will form deposits that clog drains. Borax will react with these ions in a single replacement reaction releasing free sodium ions, which do not react with water and produce deposits. C: Write a balanced chemical equation for the reaction of Borax with calcium and magnesium ions to produce an insoluble product that will in effect, remove these ions from the water supply, thereby 'softening' the water. Please help with parts A B and CCalculate 2NaHCO3 = Na2O + 2CO2 + H20 (Show work please!)Mass of empty evaporating dish: 46.233gMass of evaporating dish + sodium bicarbonate: 48.230gMass of evaporating dish + product after 1st drying: 47.504 gMass of evaporating dish: 46.233gMass of evaporating dish + product after 2nd drying: 47.485 use the data to solve the equation! balance the equationconsider the balance to reaction 6 A + 9 B -> 3C + 5D If 6.448 moles of A (MW = 39.34) are consumed, how many moles of B (MW = 42.66) are also consumed?
- Chemistry Calcium in a 5.00 mL urine sample was precipitated, redissolved and required 16.15 mL of 0.1157 N KMnO4. Calculate the % (w/v) of calcium in the urine.Jansen Gas creates three types of aviation gasoline(avgas), labeled A, B, and C. It does this by blendingfour feedstocks: Alkylate; Catalytic CrackedGasoline; Straight Run Gasoline; and Isopentane.Jansen’s production manager, Dave Wagner, hascompiled the data on feedstocks and gas types inTables 4.6 and 4.7. Table 4.6 lists the availabilitiesand values of the feedstocks, as well as their keychemical properties, Reid vapor pressure, and octanerating. Table 4.7 lists the gallons required, theprices, and chemical requirements of the three gastypes. Table 4.6 Data on Feedstocks Feedstock Alkylate CCG SRG Isopentane Gallons available (1000s) 140 130 140 110 Value per gallon $4.50 $2.50 $2.25 $2.35 Reid vapor pressure 5 8 4 20 Octane (low TEL) 98 87 83 101 Octane (high TEL) 107 93 89 108 Table 4.7 Data on Gasoline Gasoline A B C Gallons required (1000s) 120 130 120 Price per gallon $3.00 $3.50 $4.00 Max Reid pressure 7 7 7 Min octane 90 97 100 TEL level Low High High Note that each feedstock…Heterogeneous chemical reactionConsider the following reaction to form an industrially important solid product B:A (g) ↔ B (s) + C (g) + D (g)a) How many phases are present?b) What is the maximum amount of solid product B you can make for each mole of A fed to the reactorif the reactor is operating at 400 ºC and 1 bar. Data: K = 10.43 at 400 ºC
- An aqueous waste stream that has a maximum concentrationof 0.50 M H₂SO₄ (d=1.030 g/mL at 25C) will be neutralized by controlled addition of 40% caustic soda (NaOH; d=1.430 g/L) before it goes to the process sewer and then to the chemical plant waste treatment facility. However, a safety re-view finds that the waste stream could meet a small stream of animmiscible organic compound, which could form a flammable vapor in air at 40.°C. The maximum temperature of the causticsoda and the waste stream is 31°C. Could the temperature in-crease due to the heat of neutralization cause the vapor to ex-plode? Assume the specific heat capacity of each solution is 4.184 J/gK.Certain amount of pure charcoal (carbon) has to be burnt with supplied natural air. Process engineer allowed exact amount of air required to burn the entire charcoal completely to carbon dioxide. Carbon has no reaction with nitrogen gas present in the air. In the reaction outlet if 5 kg of nitrogen gas was found, calculate the amount of charcoal used. (12C, 16O, 14N)The percentage protein content of chicken breasts are determined 5 times and the following results obtained: 28.5, 30.1, 30.2, 30.0 en 30.2%. The first value (28.5%) appears anomalous. Should it be retained or rejected at a 90% confidence level? Show all equations.