How does hydrocholoric acid and sodium chloride isolate barium-137 from cesium source?

Q: how would I calculate the molarity ( in units of micromolar) of the phosphate of tube 7, with the…

A: Number of moles of a substance refer to the unit of amount. One mole of a substance can be defined…

Q: Which of the following releases Hydrogen Sulfide? a. Solar Energy b. Biomass Energy c. Wind…

A: There are various methods to generate energy that is required for various purposes. They are mainly…

Q: Why are group 17 elements more reactive than other elements

A: Periodic table is an assembly of elements,in which all the elements are arranged according to their…

Q: Why does less iodine cause giiter

A: Thyroid gland uses iodine to make thyroid hormones , this hormone is required to control the level…

Q: If 5.585 g of Fe31 were reduced in the reaction Fe31 1 V21 S Fe21 1 V31, how many coulombs of charge…

A: Given, Mass of Fe3+ = 5.585 g Fe3+ reduced in the reaction Fe3+ + V2+ → Fe2+ + V3+ Here we are asked…

Q: Write a short note on biological relevance of sodium and calcium

A: The biological relevance of SODIUM: Sodium is found mainly in blood plasma and in the fluid that…

Q: Draw the structure of EDTA and write the reactions in the ionization steps.

A: This question have to subparts, in first part draw the structure of EDTA and in second part we write…

Q: what is the formula for determining the chemical formula created when gallium (31) bonds with sulfur…

A: Gallium(III) sulfide, Ga2S3, is a compound of sulphura gallium, that is a semiconductor that has…

Q: How is Arsenic produced?

A: Arsenic is one of the naturally occurring element. It can be either organic or inorganic form.

Q: Can you relate it to activated carbon? When activated carbon is acid treated with sulfuric acid.…

A: Sulfonation: The chemical reaction in which the sulfonic acid, sulfonyl chlorides and its…

Q: Use the data below to determine if selenocysteine will migrate toward the cathode or anode on paper…

A: Given amino acid is selenocysteine. Its structure is shown below: At pH =6.0 towards which…

Q: 0.3458 g of an organic sample is weighed, and the phosphorus it contains is brought to a constant…

A: Mole is the amount of the substance that contains the same number of particles or atoms or…

Q: fuel cell uses which of the following reactions to generate electricity?     the radioactive decay…

A: In this question, we will Identify which process in a fuel cell generated electricity. You can see…

Q: Write the equation for the reaction of Pb2 with CrO42-.

A: The reaction between Pb+2 and CrO4-2 is a precipitation reaction.

Q: How did you know to make Fe 54 x and Fe 57 .0825 -x

A:

Q: The first stage in corrosion of iron upon exposure to air is oxidation to Fe2+. (a) Write a balanced…

A: Corrosion is a galvanic process by which metals deteriorate through oxidation, usually but not…

Q: v. An electrolysis experiment is conducted with fused CaCl2 How long would it take to eposit 1.00…

A: Mass of Ca = 1.00 g  Current = 10.0 A  Time,t = ?

Q: Why is lead(Pb) connected with chemistry and biology?

A: Lead (Pb)  is a heavy metal with an atomic number of 82 with an electronic configuration of…

Q: Time felt 0:04 An aqueous of gold (III) nitrate Au(NO3)3 was electrolyzed with a current of 0.015 A…

A:

Q: A synchrotron is an extremely powerful source of X-rays. The X-rays also can be geerated by…

A: Synchroton is powerful Source for generating xray.Xray are produced by high energy electron.

Q: Give the reason for the fusion of an organic compound with sodium metal for testing nitrogen,…

A: For the detection of Nitrogen, sulphur and halogens is done by fusing the organic compound sodium…

Q: Write the equation for the formation of calcium hydride. 5.

A: Solid Calcium react with Hydrogen gas at 350 oC to formed Calcium Hydride.  Ca (s) + H2 (g)…

Q: n measures the ar

A: Equilibrium constant expression is ratio of concentrations of products over the reactants.

Q: 45. Addition of 6M hydrochloric acid to which substance will NOT result in gas evolution? c. Zinc d.…

A: a) Aluminium = Reaction between HCl and Al is given by, 2Al + 6HCl→2AlCl3 + 3H2(g)↑ Here H2 gas is…

Q: Discuss other medical applications on the use of EDTA to treat poisonings by radioactive materials…

A:

Q: A Downs cell operating at 25.3 A produces 83.1 kg of Na. (a) What volume of Cl,(g) is produced at…

A: In down cell molten sodium chloride is electrolysed to deposit sodium metal at cathode and chlorine…

Q: How is Compound 24 . manufactured?

A:

Q: Why, do you think, the sulfur extracted during the Frasch process is 99.5% - 99.9% pure? Why can’t…

A: Frasch process is based on the principle that sulfur has a low melting point. Sulfur is pushed out…

Q: All of the following contribute to nitrogen-fixation except Select one: a. lightning b. bacteria on…

A: nitrogen fixation is the process through which moleculer nitrogen which is present in the atmosphere…

Q: What is the allowable contamination of Aluminum?

A: The contamination in water is the presence of unwanted chemicals, microbes, and physical alterations…

Q: Which of the following describes the reaction: 218 Po →°,e+ 218 At 84 ³Po→,e+ 85

A: In above reaction atomic number on product side increase by one while mass number remains unchanged.…

Q: how do iron-54 and iron-56 differ from each other?

A: Iron-54 means its mass number is 54. The atomic number of iron (Fe) is 26. The mass number is the…

Q: An amount of pore gypsum was calcined at 200°C. After that, 1000 kg of the product was mixed 150 kg…

A:

Q: In a copper-plating experiment, the experimental amount of mass of copper deposited is 2.0 grams.…

A: Given,  Experimental amount of mass of Cu deposited = 2.0 g  Amount of current = I = 1.5 A  Time = t…

Q: The first stage in corrosion of iron upon exposure to air is oxidation to Fe2+(a) Write a balanced…

A: a. Acid rain contains dissolved acids such as sulfuric acid and nitric acid.  The protons from these…

Q: Electrochemical Equilibria: Electrolytic Deposition Olympic gold medals are plated with gold rather…

A: Given current= 50 A Gold / medal = 6g  Total gold required to be deposited= 6x 340 g = 2040 g

Q: Calculate Eº for the process PbI6) + e- → (s) + e > Pbs) + 21,

A: Given reaction is :  PbI2 + e- <---------> Pb (s) + 2I2  Find standard cell potential = E0 = ?…

Q: What else is produced when sodium carbonate decomposes? Na2CO3 - Na20+

A: There are different type of chemical Reactions. These are - (1) Combination Reaction - When two or…

Q: Find out the uses of carbon 14 and phosphorous 32.

A: Carbon 14 is a radioactive isotope of carbon which has six protons and 8 neutrons. Because of…

Q: The following metals could be used in the photovoltaic cell described above (mark all that could be…

A:

Q: What is Lanthanoid contraction? What are its two consequences?

A: Lanthanoid contraction: A regular decrease in the size of Lanthanide ion due to increases in nuclear…

Q: - A student wanted to plate a silver ring with a layer of gold, He passed an electric current of 10…

A:

Q: what is the chemical formula created when gallium (31) bonds with sulfur (16)

A: The given elements are gallium and sulfur. The atomic number of gallium is 31 and sulfur is 16.

Q: Which process is used as nuclear energy application for Uranium enrichment?

A: Uranium enrichment is a process that is necessary to create an effective nuclear fuel out of mined…

Q: Usually, to make H2S, H2Se, or H2Te gas, one has to add acid to a metal sulfide, selenide, or…

A: Water reacts with the given compounds i.e. FeS, Al2Se3, MgTe to yield H2S, H2Se, or H2Te gas…

Q: Make a balanced chemical equation for the addition of barium acetate with the Group II anions…

A: A balanced chemical eqution for the addition of barium acetate with the group II anions specifically…

Q: For pH values of 2.00, 6.00, and 10.00, calculate the alpha values for each species in an aqueous…

A:

Q: A 0.100 M solution of nitrous acid (HNO2) had a pH of 2.074. What is the Ka value for nitrous acid.

A: