(hydrogen sulfide) Six properties are 1- Product Definition 2- The chemical composition of the substance 3- The extent of the toxicity of the substance 4- First aid in case something goes wrong. 5- The expected risks from the use of the substance. 6- Methods of extinguishing fires caused by the substance.

Q: The analysis of a mixture established that it contains 32.55% Fe203 and that the per cent loss in…

A: percent on dry basis = mass of substance/ mass of dry solid x 100

Q: A company produce 100kg of butter cookies a day using the following ingredients: wheat flour, water,…

A: Given: 100 kg of butter cookies produced: Ingredients Ratio Wheat flour 80 Water 18…

Q: Calculate the gross and net calorific value of a coal which analyses: C 60%, H 9%, N 2%, O 8%, S 2%,…

A: Since Two different questions are given. Only the first one will be answered. The composition of…

Q: Figure P5.6 shows a plot of BOD remaining versus time for a sample of effluent taken from a…

A:

Q: A concentration process increases the solid content of 350 kg fresh tomato juice (TJ) from 14 % to…

A: Let F=feed, C=concentrated juice W=water removed overall mass balance, F=C+W C+W=350 overall mass…

Q: Which solid has the highest melting point? Why? Ar(s), CCl,(s), LICI(s), CH;OH(s)

A: The compound that have highest melting point is to be chosen with reason.

Q: When a compound is formed which undergoes decomposition with formation of another solid phase at a…

A: After analysis the fighure ; when compound C formed, the mol% of B is around 25% and the mol% pf A…

Q: If you mix 100 kgs each of Complete, Urea, and Ammophos (16-20-0), what is the resulting fertilizer…

A: To find the resulting fertilizer grade of the mixture if 100 kg each of  Complete, Urea, and…

Q: Q5/ Find the number of milliliters of a solution which contains 0.2000 mole BaCl, in 500 ml solution…

A: The number of milliliters of a solution required is to be determined.

Q: Alum is used as a coagulant. The best dry alum dose from the jar tests is 10 mg/L. Assume dry alum…

A: Given that, The dose of alum = 10 mg/L Converting into kg/L, the dose is = 10 mg = 10×10-6 kg = 1×…

Q: Homework Q1:- prepare 0.7% potassium Chloride (KCI) in 0.3 liter ?

A: Given  X = 0.7 % Total volume (V) = 0.3 Liter Final volume (Vf) = ?

Q: A solution is prepared by mixing 5.00 mL of 0.00100M iodine, 10 mL of 0.500M HCl, and 10 mL of 2.00M…

A: A Solution containing 5.00 mL of 0.0010 M  iodine      10ml of .005 HCl     10 mol of  2.00 M…

Q: A certain tool steel consists of the following chemical composition (typical analysis in %):

A: Given percentage-wise chemical composition of a tool steel  To 1. provide some of the most important…

Q: The accepted value for AHcomb for paraffin is -1.8 x 10ªkJ/mol. Determine the percent error.

A:

Q: Addition

A: Identification of an unknown white powder though various tests

Q: 1. Given the chemical composition by weight to a sample of the cement as follows Ca O SiOz Al203…

A: Chemical Composition by weight to a sample of the cement is: CaO SiO2 Al2O3 Fe2O3 SO3 MgO LOSS…

Q: if You need to make 3200 g of 87. solution in solutic of Nacl Hhe mass of solute need to be…

A: Given data: Concentration of NaCl solution = 8 % The mass of the solution which is to be prepared =…

Q: 9. A lead-tin alloy has a mole fraction Pb of 0.73. Convert this to weight percent (wt%) Pb. (You…

A: To convert the mole fraction of lead (Pb) to weight percent (wt%), we need to know the atomic…

Q: Wet air containing 4.0 mole % water vapor is passed through a column of calcium chloride pellets.…

A: Adsorption is a unit operation where the molecules or atoms of fluid will transfer and form a layer…

Q: (2) Translation: Effluents from metal finishing plants have the potential to discharge unwanted…

A: Step 1: Step 2: Step 3: Step 4:

Q: Q2/ A limestone analyses (wt%): CaCO; 87%, MgCO3 8.5% and Inert 4.5%. By heating the limestone you…

A: Calcium carbonate is a common substance found in rocks as minerals calcite and aragonite. It is also…

Q: what will be the API of crude B?

A: Distillation - It is the process of separation of components of the liquid mixture by partial…

Q: Determine the computed air fuel ratio of ethanol (C2H5OH) at standard conditions

A:

Q: A solution contains 0.1 g of RbCl (Rubidium chloride, 120.921 kg/kmol) per the solution contained.…

A: Mass of RbCl present in the solution, mRbCl = 0.1 g Molecular mass of RbCl, MWRbCl = 120.921 kg/kmol…

Q: time in underground magazines 3-Watergels, emulsions and straight gelatin are explosives with high…

A:

Q: You have a 1 g sample of an alloy containing Al and Mg dissolved and treated to prevent…

A: Given: Weight of Alloy = 1 g Weight of all precipitates = Al(C9H6NO)3(g)+ Mg(C9H6NO)2(g) = 7.98 g…

Q: What is the optimum dosage ?   Effect of dose on adsorption percentage of cadmium onto magnetite…

A: Cadmium is a heavy pollutant in waste water and is harmful to the environment. It is removed from…

Q: . The equivalent conductances at infinite dilution of various electrolytes are given: A0(HCI) =…

A: The equivalent conductance at infinite dilution for AcOH is to be calculated.

Q: How ideal the sample is: sample pressure volume temperature (atm) (L) (°C) A 25.0 5.0 -5.0 |(Choose…

A: for sample A  Pressure = 25 atm , volume = 5 L , temperature = -5C° for sample B Pressure = 25 atm ,…

Q: Xylene (pic) is an important chemical in the production of plastics. You have 15 kmoles of xylene…

A: Xylene is an organic hydrocarbon compound that contains only oxygen and hydrogen atoms. It contains…

Q: A triple effect evaporator concentrates a sugar solution from 12% sugar to 60% sugar. Assuming that…

A: To Find :             Composition of products leaving each effect. Here, Triple effect evaporator is…

Q: 4. Name two distinct physical methods that can be used to decontaminate groundwater?

A: Contamination is described as the presence of a constituent, impurity, or some other undesirable…

Q: Example 3: If the Solution resistivity = 0.3 ohm-m @ 75°F. Find: Solution resistivity at 200°F…

A: Given, Initial temperature, T1 = 75 °F Initial resistivity, R1 = 0.3 ohm-m Final temperature, T2 =…

Q: To analyze the alcohol content of a certain wine, a chemist needs 1.36 L of an aqueous 0.199 M K 2Cr…

A:

Q: Determine the number of moles and the mass of barium peroxide, BaO2, needed to produce 1.5 kg of…

A: 2BaO2 ---->2BaO  + O2 BaO = 1.5Kg= 1500gm moles and mass of BaO2=  ?

Q: Design the Absorption system to absorb (HCI + Cl2) gas mixture. Feed Gas: 800 kg/hr of HCI & 900…

A: Absorption system Feed-HCl+Cl2+air Solvent-pure water HCl=800 kg/hr Cl2=900 kg/hr Air=300 kg/hr…

Q: Calculate the percent by mass of each component of this solution.

A:

Q: What is the difference between coconut oil and vegetable oil? What are the contents of these oils…

A: coconut oil incorporates the very best stages of saturated fat whereas Pure vegetable oil has the…