Astha has been collecting silver coins and copper coins. One day she observed a black Coating on silver coins and a green coating on conner coins. Which chemicalphenomenon is responsible for these coatings? Write the chemical name of black and green coatings?

Q: tsp convert 228.5 g2 to ст You must use the following equalities and must use dimensional analysis…

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Q: Draw the structure of EDTA^4- and explain why EDTA^2- can act as a buffer?

A: The compounds given are EDTA4- and EDTA2-.

Q: For each of the following minerals, list the function, sources and deficiency: sodium, chloride,…

A: 1. Sodium :- Functions:• To conduct nerve impulses: During the resting state, the sodium-potassium…

Q: 7. Which of these equations correctly represents the Haber process? a) 3 H2 + N2 → 2 NH3 b) Cu2O + C…

A: Chemical equations for Haber process

Q: This equation models how pure silver (Ag) is extracted from ores of AgK(CN)2 (potassium…

A: Given that, pure silver (Ag) is extracted from ores of AgK(CN)2 (potassium argentocynate). The molar…

Q: Which of the following set of elements contain only type II metals? O Na, Ca, Mg O Mn, Cd, Co O Ni,…

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Q: Why is titanium metal called as strategic metal? Mention two of its properties which makes it so…

A: Titanium is called strategic metal because it is used for making certain war equipments.   The…

Q: Elemental phosphorus is used in the semiconductor industry. It can be obtained from an ore called…

A: The reaction above can be correctly written as below: 4Ca5(PO4)3 F + 18SiO2 + 30C ----->  3 P4 +…

Q: Here is a balanced reaction: 14 H+ (aq) + Cr2O7 2- (aq) + 6 Cl- (aq) ➔ 2 Cr3+(aq) + 7 H2O (l) + 3…

A: balanced reaction:                   14 H+ (aq) + Cr2O7 2- (aq) + 6 Cl- (aq) ➔ 2 Cr3+(aq) + 7 H2O…

Q: What Characteristics of Potassium minerals makes them suitable to be used as fertilizers

A: 1) Potassium is needed to complete many essential functions in plants, such as synthesizing proteins…

Q: What is the balanced chemical equation for potassium hydroxide with each of these Silver nitrate,…

A: Chemical reaction are those reaction in which two or more substance react togather to form new…

Q: A chemist prepares a solution of mercury(II) lodide (Hgl,) by measuring out 0.00033 umol of…

A: Given :-  No. of moles of HgI2 = 0.00033 umol  Volume of solution = 150. mL  To calculate :…

Q: The overall reaction for the synthesis of iron(III) oxalate complex is 6 KOH(aq) + 3 H2C2O4(aq) +…

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Q: If you began with 24 moles of Fe203, approximately how many moles of pure iron would be formed as a…

A: Given :-  2 Fe2O3 + 3 C ----> 4 Fe + 3 CO2  Number of moles of Fe2O3 = 24 mol  To calculate :-…

Q: Balance the following chemical equation (if

A: Calcium acetate is Ca(C2H3O2)2, Sodium carbonate is Na2CO3, Sodium acetate is NaC2H3O2 and  Calcium…

Q: What is the full equation (not the net ionic equation) for the chemical reaction of Fe(NO3)3 plus…

A: When lightly tinted Ferric nitrate, Fe(NO3)3 reacts with sodium thiocyanate, NaSCN, then soluble…

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: Given the reaction: 2HNO3 + Cu + H+ à 2NO2 + Cu2+ + 2H2O. Which statement is correct? A) N is the…

A: Since you have posted multiple question. We will solve the first question for you. To get the…

Q: In the Lineweaver-Burke plot below, which kinetic parameter(s) change upon addition of an…

A: The Lineweaver-Burk plot, also known as the double reciprocal plot, is a graphical method used to…

Q: The following chemical reaction takes place in aqueous solution: 2FeBrş(aq)+3Na,S(aq)…

A: It indicates the ions that are directly involved in the chemical reaction.To write the net ionic…

Q: what is the oxidizing agent in IO3 + Re --> ReO4 + IO-

A: It is based on the concept of Redox reaction which involves transfer of electron from one atom to…

Q: Based on the provided chart of reduction potentials, rank the following chemicals from strongest (1)…

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Q: QUESTION 37 Based on the provided chart of reduction potentials, rank the following chemicals from…

A: Given,Molecules or ions:Na+, Cl2, I2 , Fe3+ and Ni2+

Q: What chemical is described as 1MH2SO4?

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Q: Steam is really hot liquid water. What would be the products formed when a metal reacts with stream?…

A: Concept: 1. when a metal react with steam then it produces H2 gass and Metal oxide. In general, the…