What is the relative amount in percentage of η phase in 90 wt% Zn-10 wt% Cu at 400°C

Q: Solution )100 mL 0.02M potassium permanganate potassium permanganate Mw = 158.03 g mol-1 potassium…

A: Use the molarity formula to calculate moles and the mass of a potassium permanganate.

Q: Measure the mass of 0.400g of Co(NO3)2 + 6H2O and dissolve it in 15mL of distilled or deionized…

A: Limiting reagent is that reacts completely in the reaction.     Number of moles of…

Q: A 200. mL solution that is 6.7 x 10 M in Cu²+ is mixed with 0.30 mole NH3. There is no change in…

A:

Q: define phase chaneg and calculate the amount of each phase present in 15 kg of 60 wt% Pb-40 wt% Sn…

A: Phase change is defined as the change in the physical state of the component or the change in the…

Q: Of 10.0mg of silver chromate is mixed with 100.0ml of water, how many milligrams of silver acetate…

A:

Q: calculate the solubility of ca3(po4)2 in water ksp = 2.07 x 10-33

A: Solubility product (Ksp)  of a sparingly soluble salt  is defined as the product concentration of…

Q: 3. If 30.65 mL of Ca(OH), solution is needed to react with 0.240 g of primary standard H,C,0, •2H,O,…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: A 20.330 g sample of aqueous waste leaving a fertilizer manufacturer contains ammonia. The sample is…

A: Titration is a volumetric analysis in which the unknown concentration of the sample is measured by…

Q: Q3 Draw the phase diagram for metals (A. B) with melting points (1180°C, 1455°C respectively). They…

A: Melting point of pure - 5600C (100%A,0% B ) Melting point of pure B - 10800 C  (0%A, 100%B) Scale:…

Q: Calculate the empirical formula for each over-the-counterpain reliever(a) acetaminophen (Tylenol):…

A: (a) For calculation of the Empirical formula of acetaminophen (Tylenol) Element  % Composition…

Q: Aluminum percent in a bauxite sample is determined by gravimetric analysis.  8-hydroxyquinoline…

A: Answer  = 0.784%

Q: Consider 8.5 kg of austenite containing 0.52 wt% C, cooled to below 727'C (1341'F). (a) What is the…

A: Given that, 8.5 kg of austenite containing 0.52wt% C, cooled to below 727°C (1341°F).

Q: Iron(III) hydroxide (MM = 106.87 g/mol) has a Ksp of 6.3 x10-38.  If 35.9 g Fe(OH)3 is stirred into…

A: The solubility reaction of Fe(OH)3 is  Fe(OH)3 (s) ----> Fe3+ (aq) + 3 OH- (aq)  Assuming that…

Q: The scatter plot below shows the density of ethylene glycol solutions vs. the mass % of those…

A: Use the trendline equation to find out the mass percent of ethylene glycol in a solution for a given…

Q: Average No. of moles of KMNO4 - No. of moles of H20 = 1.07 x 10 mol %3D = 2.675 x 10mol =D0.0535 M…

A: Question given, Concentration of H2O2 = 0.0535 (M), we have molecular weight of H2O2 = 34 gmol-1…

Q: Activity: Calculate the volume of 2 moles of gas at a temperature of 25 °C and a pressure of 101…

A: Apply formula  PV = n RT  where P = pressure , V = volume n= no. Of moles , R = gas constant, T =…

Q: A 5.186 gram sample of the anti-malarial pesticide DDT was dissolved in 100.0 mL of alchohol and…

A: The structure of DDT is as shown below: One molecule of DDT has 5 atoms of Cl.

Q: 2HF (g) = H₂(g) + F₂ (g), Kc = 1.0 x 10-95 ibrium mixture contains mostly reactants. 2NO(g) + O₂(g)…

A:

Q: Write the balanced NET ionic equation for the reaction when aqueous SrBr₂ and aqueous K₂SO₄ are…

A: The objective of this question is to write the balanced net ionic equation for the reaction between…

Q: To carry out a hydrolysis of an ester in lab, a basic condition(saponification of the ester) is as…

A: As per the bartleby expert guidelines, I am allowed to one question at a time. Please repost the…

Q: The gravimetric factor used to express CoCBr6·H20 in a sample that is finally weighed as PbClBr is…

A: Gravimetric factor

Q: In Lab 2, if the mass of Fe, NaCl and SiO2 recovered are 1.5g. 2.3g and 2.5g. The initial mass of…

A: The question is based on the concept of experimental chemistry. We need to calculate percentage…

Q: What is the mole fraction of magnesium nitrate, Mg(NO3)2, in an aqueous solution that is 5.549 wt %…

A:

Q: Hydrogen fluoride is produced industrially by the action of sulphuric acid on CaF2. Suppose 308 kg…

A: 1) the percent of yield is = 73.5%. 2) the unreacted CaF2 is = 81.7 Kg.

Q: PV = nRT. The pressure is 0.9912atm.  V = 50.5 mL.  T = 21.5°C and n = 0.00200mol.   Calculate R…

A: We have to calculate the R that is gas constant.

Q: A medication order for a patient calls for 17 mEq of potassium chloride (MW 74.5, valence 1) in 1000…

A:

Q: (a) What is the concentration of hydrogen at the low-pressure (or B) side in wt%? CH(B) = i 4.65E+3…

A: Given data :

Q: How to you calculate the hazard quotient for lead and naphthalene? Please provide examples.

A: Hazard quotient (HQ) is the ratio of the potential exposure to a substance and the level at which no…

Q: HBr (A) (CH; CO),O2 A (predominantly) is

A: Given,

Q: Calculate the limiting and excess reagent of 3I2 + 6KOH → 5KI + KIO3 + 3H2O with solutions. 950g=I2,…

A: The chemical equation is given as:3 I2 + 6 KOH → 5 KI + KIO3 + 3 H2OMolar mass of I2 = 253.8…

Q: A516.7 mg sample containing a mixture of K2SO, and (NH4)2S0, was dissolved in water and treated with…

A: The mass of the mixture [K2SO4+(NH4)2SO4] = 516.7 mg The reaction can be given as follows:…

Q: What mass of Zn(CN)2 is produced?

A: Mass of Zn(CN)2 produced is 11.70g Zn(CN)2 .

Q: If there was a leak in the syringe and gas was escaping as the syringe plunger was being compressed.…

A: Step 1:The ideal gas equation would bePV=nRTWhere Pis the pressureV is the volumeR is the universal…

Q: > EL session.masteringchemistry.com MasteringChemistry ROSTER-2019-SPRI-PULLM-CHEM-101 blackboard…

A: When a solution is diluted, the expression that relates the concentration and volume of the original…

Q: A student performed the experiment described in this module, using 7.00 mL of a 1.8% H2O2 solution…

A: Given that,barometric pressure = 30.02 in Hg = 30.02 x 25.4 = 762.508 mm Hg1 in Hg = 25.4 mmHg Vapor…

Q: A 500.0 μL aliquot of a ferric chloride solution is added to a 50.00 mL volumetric flask. To this…

A: The concentration of Fe3+ in the original ferric chloride solution can be calculated as follows:…

Q: Please estimate the Km and Vmax and then calculate the kinetic constants (Km, Vmax, kcat, and…

A: Estimation of Km and Vmax can be done from the Michaelis-Menten equation.  The values of Km and Vmax…

Q: NUMERICAL PROBLEMS T0g of sodium hydroxide was dissolved in water to give a solution. with a volume…

A: Given,  Mass of NaOH = 10 g  Volume = 0.2 dm3  What is the molarity of the solution = ?

Q: 5.00 ml of the 1.0 x 10-4 M CV stock solution is first diluted to 100.ml. Then 1.00 ml pf this…

A: The objective of this question is to find the final concentration of the solution after two…

Q: A 100% 7:06 PM Wed Jan 29 ... Unanswered •1 attempt left • Due on Jan 30 What is the boiling point…

A: Given that molality is 2.065 0.35 m. Elevation in boiling point is determined from the following…

Q: Suppose you have a soil that is made up of 10% organic matter with CEC = 200 cmol/kg, 40% kaolinite…

A: Given: A soil with- 10% organic matter with CEC = 200 cmol/kg 40% kaolinite with CEC = 10 cmol/kg…

Q: Was the gradual color change observed when the sodium thiosulfate (Na2S2O3) crystal was added to the…

A: In this case we have to determine the gradual color change observed when the sodium thiosulfate…

Q: Toxic Cr(VI) can be precipitated from an aqueous solution by bubbling SO2 through the solution. How…

A: The amount of sulfur dioxide has to be calculated