If sample lg was fired up to 1000°C for 30min. the weight after firing was 0.3g calculate the L.O.I of this sample where the crucible weight is 5g.

Q: Calculate 2NaHCO3 = Na2O + 2CO2 + H20 (Show work please!)Mass of empty evaporating dish: 46.233g…

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Q: 10. Gaseous propane at 20 °C is burned with 70% excess air that enters the combustion chamber at a…

A: Given data: Air = 70 %  Rate= 1.3 kg/min Temperature = 9° C Pressure = 1 atm   Combustion of propane…

Q: Pre-Heat Item Crucible Lid Crucible Crucible & Lid Crucible Lid & Sample Sample (Preheat)…

A: Answer: During the crystallization of a solid some water molecules remain in the structure of the…

Q: Use the References to access important values if needed for this question. Consider the following…

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Q: 1. Benzoic acid sample weight, g 0.1702 2. Water volume used, mL 10.0 3. Methylene chloride volume…

A: Answer in 2nd step

Q: need (Theoretical yield

A: Solution: Acetyl salicylic acid experience it is one of the antipyretic agent in most of the aspirin…

Q: A fly ash aerosol of monodisperse particles with a density of 2.0 g/mL and particle diameter of 10.0…

A: Stokes' law is a formula for measuring the settling velocities of small spherical particles in a…

Q: 2) Consider a copper-nickel (Cu-Ni) alloy composed of 45 wt% Ni:55 wt% Cu that is at equilibrium at…

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Q: 7. Comparing the equation for your line to the equation AG = -AS-T + AH. a. Solve for the value of…

A: Question: 8 As per given information on enthalpy and entropy  ∆S°=315.48 Jmol.K∆H°=110399 JmolT=298K

Q: Solutions A and B are combined in a test tube, producing the following reaction: A + B-→ C + D Which…

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Q: help solvinf for the %T, and both diluted and actual PO4s Beer's Law Plot Information Linear…

A: A numerical problem based on absorption that is to be accomplished.

Q: Naturally occurring barium sulphate is converted into water–soluble form by heating with carbon,…

A: Answer -

Q: and

A: Given data set; Mass of empty flask = 351.74 g Mass of heated flask = 354.40 g Molar mass of acetone…

Q: Unkhown B- mass of unknownsulfate 0.48999 maus of Empty Crucible d cover 20 - 43 289 20.9526g 0-5198…

A: Mass of sulfate=mass of barium sulfateFormula mass of barium sulfate×Formula mass of sulfate

Q: 1. You wish to determine the %concentration of a stock solution of brilliant blue FCF…

A: Let's say that the molar concentration of stock solution be 'X M'.

Q: (c) The ore being placed on the heap has an average copper grade of 1.0% and the lixiviant addition…

A: The average recovery of the copper from the heap leaching is 90%.

Q: Using the Dumas method set-up, and eperiment was conducted using acetone ( MW=58.08). The mass of…

A: Dumas method is generally used to determine the molecular weight of volatile liquids. The method…

Q: For the reaction pictured, the experimental enthalpy is -41.3 ± 1.3 kJ mol-1. When using the…

A: The correct answer is given below

Q: HERMODYNAMICS DATA lute used Bocum Mitrate (BalNoz)z olecular weight of solute Imel BaCNsz)z…

A: Interpretation : From the data given we can see that the volume of water required to dissolve fixed…

Q: Cause and Effect: Identify the effect of the condition on the indicated parameter. Write increase,…

A: Given condition: The thermometer and stopper were inserted to the test tube 5 minutes after adding…

Q: 2-25. The compound is initially at 40°F. If the pressure is constant at P = 1 atm throughout the…

A: We may proceed via these way,

Q: wt% of Ca²+ 24

A: Volume of water = 20 mL The density of water = 1.0 g/mL Mass of water (Solvent) = Volume × density =…

Q: really need help calculating the molar mass using this formula setup: MM= gRT/PV = (0.016…

A: Welcome to bartleby ! We have to calculate molecular mass.

Q: Question 13 What could be the assumption when the MW of the sample does not match calculated…

A: Answer:  This question is based on the colligative properties of the solution where on dissolving…

Q: which version of the specific heat equation is both correct and is set up to solve for the final…

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Q: The concentration of a NaOH solution is determined in a single experiment by titrating a weighed…

A: (a)When KHP is titrated with NaOH, the following reaction occurs:

Q: A solution composed of 50% ethanol (EtOH), 10% methanol (MEOH), and the rest are (H2O) is fed in…

A: Considering no reaction ; Flowrate IN = Flowrate OUT .   Therefore , 100kg/hr IN = 60kg/hr + x kg/hr…

Q: Nacl(s) Product: 100 g Mixing unit Electrolysis Evaporator 50% NaOH unit P A 7% Naci 43% H20 (all…

A: NaCl+H2O = NaOH+0.5 H2+0.5 Cl2 Mass of product =100 g Mass of NaOH in product=50% of mass of…

Q: Data: INCLUDE UNITS!!! Barometric Pressure: A B C D 2 H,0,(aq) 759 forr Mass of 10 mL grad cylinder…

A: The average mass percentage of H2O2 in a solution is needed to be find out. The pressure exerted by…

Q: They mix: 40 mL of 10.0M HNO3 75mL KOH 1.20M 10mL NaCl 0.450M Kw or= 1.00 x 10-14 Assuming that the…

A: Disclaimer- “Since you have posted a question with multiple sub-parts, we will solve the first three…

Q: 1. Calculate the percent of SiO, in the mixture by using the equation: %= part * 100 whole 2.…

A: The unknown sample contains NaCl and SiO2. We are given the masses for different measurements of…

Q: Name Meso-Stilbene Dibromide Potassium Hydroxide Triethylene Glycol Formula Mol.-eq. Mw mmol…

A: A limiting Reagent is a reactant that reacts completely during the reaction. Number of mols =Amount…

Q: Parameters Trial 1 Trial 2 Mass of sample, ml 20 20 Concentration of standard AGNO3 0.06090 0.06090…

A: Given: Concentration of AgNO3 = 0.0609 M Volume of sample of NaCl used = 20 mL Initial volume of…

Q: 云 %24 session.maste DHO To... How To... CMasteri... Alina F. S Katiya. ysicist, contributed main…

A: Number of moles or molecules can be calculated by using mole concept. 1mole = Avogadro's number of…

Q: According to this, find the amount of CO2 absorbed by titration?

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Q: A.) Calculate the mass percent of carbon, hydrogen, and oxygen in the unknown liquid. There are no…

A: Gravimetry is a quantitative technique that measures the mass of the unknown compound. It is used to…

Q: A 5.0 g coal sample is given for analysis. After subjecting it to hot air oven at 107 oC for 1 hour,…

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Q: rom 702 3. BALANCE the following equation: KCIO3 -------> KCI + O, a) How many grams of KCl are…

A: Potassium chlorate decomposes to give potassium chloride and oxygen gas: 2 KClO3 →2 KCl(s)  + 3O2(g)…

Q: ass is produced by casting. Pressure of the D00 Pa) by placing in a vacuum oven and te he same time.…

A: Now, K=-1vdvdpTB=-1vdvdTp dvv =-Kdp+BdT

Q: In the reaction of propane gas fuel with 20% excess air, if 2 moles of CO, product, Determine the…

A: 20 % excess air (120 % theoretical air) is used. C3H8 + (1.2) a(O2 + 3.76 N2)  => 3CO2 + 4(H2O) +…

Q: At elevated temperatures, NaHCO3 is converted quantitatively to Na,CO3 : 2 NaHCO35) = Na;CO3) +…

A: The percent of purity of sample is given below

Spectroanalytical Methods

Spectroanalytical methods measure the wavelength and intensity of radiations that are either emitted or absorbed by a molecular or atomic species. These methods are useful for evaluating the electronic or atomic arrangement of the molecules of a given analyte.