If nerves respond to electrical currents, why do you think putting aluminum foil on an amalgam (gray) filled tooth hurts? Dental amalgam is a mixture of Ag, Sn, and Hg.

Q: Q.2 ANSWER THE FOLLOWING POINTS . List of equipment required for oxy-acetylene welding with their…

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Q: Name the central metal atom/ion present in (a) Chlorophyll (b) Haemoglobin (c) Vitamin B-12.

A: Name the central metal atom/ion present in (a) Chlorophyll (b) Haemoglobin (c) Vitamin B-12.

Q: Which metal carbonyls do not obey 18-electron rule Co6(CO)16 2--1 Iro(CO)16 3- Co4(CO)12 4- V(CO)6…

A: A chemical rule of thumb that is used majorly used for identifying formulas for stable transition…

Q: Na,Cr,07, acetone HO- H2SO4

A: Alcohols are oxidized in the presence of acidic sodium dichromate. The secondary alcohol is oxidized…

Q: Given the following net ionic equation Cr2072- + Fe2+ → Cr3+ + Fe3+ (All of the species are in…

A: Answer option D) [oxidized species] = Fe2+ (aq); [oxidizing agent] = Cr2O72- (aq)

Q: In the determination of iron in limonite, 0.5166 g of mineral is dissolved in acid and Fe2 + is…

A: Amount of limonite = 0.5166 g 42 96 ml of 0.0213 M Na2Cr2O4 is added in the titration. Molar mass of…

Q: In four or more sentences, how do transition metals react with acid?

A: In laboratory, the general procedure to remove metal impurities is the treatment of metal with…

Q: What is the oxidizing product for the following reaction? Cd(s) + NiO2(s) +2H2O(l) >>> Cd(OH)2 +…

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Q: Identify the charge on the iron in Mn3N2

A: Here in Mn3N2 Charges on nitrogen is -3 Let the charge on Mn is x Then,  3x  +  2×(-3) = 0 x = +2

Q: MCQ 122: What is correct about halogens? A. they loose one electron while reacting with metal atoms…

A: We know that,. Halogens are F,Cl,Br,I

Q: Which is (are) able to oxidize Cl - ?(a) F2(b) F -(c) Both Br2 and I2(d) Both Br - and I -

A: Oxidation is explained as the loss of electron from any species and reduction is explained as the…

Q: 2. Why does grapefruit juice left in an open can taste metallic? 3. If nerves respond to electrical…

A: Given:-

Q: Can someone please explain to me what happens when the equilibrium is shifted with the following…

A: According to Le Chatelier's principle when a system at equilibrium is subjected to any change then…

Q: Solid Cu(OH)2 dissolves in water to produce a solution that is 1.77 x 10-7 M in Cu2+(aq). What is…

A: A numerical problem based on solubility product, which is to be accomplished.

Q: a 250 g steel contains ca2c. what is the of %c in the steel? number of moles in 100g Fe(OH)2? Mass…

A: Stoichiometry involves the calculation of concentration and moles in the given conditions of mass,…

Q: E0 values ​​for Ce4 + / Ce3 + and Fe2 + / Fe moieties are +1.72 and - 0.4 V, respectively. What…

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Q: GROUP II FLOW CHART Al", Cr". Fe". Mn", Ni", Co" colorless, purple, yellow, pale pink, green, pink…

A: The chart given for the prediction of group III ions is,

Q: The TI in a 11.760 g sample of rodenticide was oxidized to a trivalent state and treated with an…

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Q: The less electropositive element is: A. Na B. Be C. Li D. Mg

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Q: How many grams of silver metal are produced from Ag⁺(aq) in 2.00 h with a current of 3.50 A? (F =…

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Q: a. What is the denticity of SCN in Co(en)2(SCN)Cl+? b. What is the coordination number of Cobalt in…

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Q: metal, semi metal, or non metal? low density ? can behave live a metal or non metal? malleable?…

A: The periodic table is differentiated into metals, non-metals, and semi-metals (metalloids). The…

Q: AJ Why are Iroh oxides in rocks evidence for prehistoric photosynthesis? (1 Iron oxides form when…

A: Please find your solution below : In the prehistoric period, primitive photosynthetic blue/green…

Q: How many d electrons are associated with the metal ion in [Ru(py)6]3+?  [py = pyridine] 3 4 5 6

A: We will first calculate oxidation number of central metal then write its electronic configuration to…

Q: Tagnesium hitride

A: As it is ionic compound. So name of compound is  magnesium nitride (d) is correct option

Q: Identify each as a solution (S) or not (N): ___ tungsten alloy          ___ dusty air…

A: Solution It is a mixture of two or more components.

Q: Uses of Substances based on their Chemical Bonds Objective: To discover the uses of some substances…

A: As marked in the end by you, we are summarising the experiment :   Conclusion: As the bulb didn't…

Q: Why do heavy metals, like Hg2+ and Pb2+ , cause poisoning? How does an antidote, like milk or raw…

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Q: The most expensive material in the world because of the difficulty in isolating it, is/are ____:…

A: Material is expensive due to its rarity and method by which such material is obtained.

Q: What are Inclusion compounds? Draw an example.

A: Compounds are composed of one or more molecules or contains different atoms in different…

Q: U2, gives čar- Reaction of pentane, C,H12, With oxygen, bon dioxide and water. (a) Write a balanced…

A: The balanced equation of the reaction of pentane with oxygen has to be written.

Q: Aluminum and iron ions (from FeCl3 and AlCl3)  have _______  positive charges that _______ the…

A: Ionic compound : ionic compound is formed by metal ion and non-metal Anion that means when metal…

Q: g) If the current efficiency is less then 100%, explain how unused current is lost during the…

A: In the electrowinning process, non-ferrous metals like Cu, Ag, Au, Ni, Zn, etc. are purified from…

Q: sulfides of tin O Sn2S2 Sns2 O Sn3S2 O SnS Your answer is incorrect. nitrides of tin O Sn2N3 O Sn3N4…

A:

Q: Question 2: For the following reaction, answer the questions below: Fe2O3(4) + C») → Fe) + CO2(@) a)…

A: This question belong to in organic chemistry reaction and Atomic structure chapter involved. We have…

Q: EN 1. 2. H₂O* MgBr

A:

Q: 5. Explain why metals exhibit the following properties. – page 269 shiny flexible Electrical…

A: Metals are shiny-The positive metal ions are surrounded by pool of electrons. The electrostatic…

Q: Given the Zn²+ + 2e- following data: Zn Cu²+ + 2e- 2 Cu Cr₂O7²- + 14H+ + 6e- = 2Cr³+ +7H₂0 Which is…

A: Reduction potential : It is the tendency by the virtue of which the tendency of any chemical species…

Q: Q2.(d) Explain why ultra-pure substrate materials and stringent health and safety requirements are…

A: Fabrication of semiconductor materials takes place in a cleanroom.While silicon-based semiconductor…

Q: Consider the Ellingham diagram shown below. Choose the INCORRECT statement among the following…

A: Ellingham diagram is the graph plotted between ∆G° and Temperature for the formation of oxide for…

Q: Which of the following contains only metals?     Ag, As, Ba, Ca   Ag, Au, Pb, Rb   As, Ge, Si, Te…

A: Metal: Metals are situated on the left-hand side of the periodic table. The metals are…

Q: How would C1q2 have to change to make 12 million tons the optimum reduction?

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Q: (g) CaCO3(s) CaO(s) + CO2(8)

A: As per student demand, solution for part g follow as:  Equillibrium constant (Kc) gives the relation…

Q: What is the double replacement of Na2SO4 + Sr(NO3)2

A: Instructions To balance a chemical equation, enter an equation of a chemical reaction and press the…

Q: Reducción b. ArNO, + Fe + HCl 2. OH- AFNH,

A: Given,

Q: (a) What are the central metal ions in chlorophyll, heme,and vitamin B₁₂? (b) What similarity in…

A: The given problem deals with Bio-Inorganic chemistry. It is the branch of chemistry which involves…

Q: Ebonite has a stronger hold on electrons than fur. If an ebonite rod is rubbed with fur, what…

A: Electrons are negatively charged particles If any substance gains electrons it will get negative…

Q: Dissolve 0.25g NaClI, 0.20g NaHCO3. 0.35g KCI, and 1.5g of glucose in 100 mL distilled water using a…

A:

Q: The elements which has/have the most unstable oxidation state is:  a. alkali earth metals b.…

A: OXIDATION STATE: It is also known as the oxidation number. It is defined as the measure of oxidation…

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:

Analytical Tools

Analytical tools or analysis tools help one to get into a conclusion or results from the data collected. Analytical tools can be applied for simple data sets and also in the case of big data analytics.