Silver is the best conductor ofelectricity. Hypothesize why silver is not used forelectric wires if it is such a good conductor ofelectricity.

Q: estimate the fraction of electrons above fermi level in sodium and copper at room temperature

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Q: Which of the following elements will bond with oxygen in a 1:1 ratio? Is it Lithium, Boron,…

A: The formation of compound by the transfer of electrons results in the formation of ionic compounds.…

Q: What is Oxide Ceramics? Demonstrate the advantages and disadvantages of ceramic materials compared…

A: Oxide ceramics are inorganic compounds of metals like aluminium, zirconium, titanium etc. or of…

Q: Write the equation for the reaction of:(a) Iron with steam(b) Calcium with water(c) Potassium with…

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Q: Which of the following bonds is the strongest bond( highest bond energy)? Periodic table pdf Si H S…

A: We know that, double bond much stronger than single bond because overlapping of orbitals is more in…

Q: Discuss the Following: Why although a non-metal, graphite is often used as an electrode material?…

A: Doping is the process of addition of metal that causes enhancement in conducting properties of the…

Q: Name the following compounds and assign oxidation states to the halogens in them: Ca1IO322

A: Ca(IO3)2 is called as calcium iodate

Q: What chemical process is used for obtaining a metal from its oxide?

A: The chemical process used for obtaining metal from its oxide:

Q: What is the LOQ and LOD? How do they influence each other? And what is the reason for having low LOD…

A: In chemical analysis such as the analysis of trace elements, the contents are accurately measured in…

Q: How the ns2np5 configuration accounts for halogen reactivity with metals

A: The reactivity of halogens with metal has to be explained.

Q: general background of aluminium.

A: There are in total 118 elements in chemistry. Aluminium is one of them which is very useful in our…

Q: Which of the silver halides are the most sensitive to light and would be useful in the photographic…

A: Silver halides are used in the photographic industry because they possess the unique property of…

Q: Write the balanced chemical equation for the reaction of dilute sulphuric acid with iron.

A: Balanced reaction is a chemical reaction in which number of atoms for each element in the reaction…

Q: (AlOOH) ore is the most preferred in aluminum production and hematite in iron production of the…

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Q: Given: 2H+(aq) + 2e– → H2(g); 0.00 V Rb+(aq) + e– → Rb(s); –2.98 V F2(g) + 2e– → 2F–(aq); 2.87 V…

A: 2H+(aq) + 2e– → H2(g);   0.00 VRb+(aq) + e– → Rb(s);.   –2.98 VF2(g) + 2e– → 2F–(aq);    2.87…

Q: Is the reaction of rubidium with water more or less vigorous than that of sodium? How does the rate…

A: The chemical reactivity indicates the readiness of a compound to take part in a chemical reaction.…

Q: What is the significance of leaching in the extraction of aluminium ?

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Q: Why alkali metals donot exist as free in nature?

A: Alkali metals are s-block elements or 1A group elements.  These metals have only one electron in the…

Q: Discuss the following structure of AB2 and ABO3 type oxides in detail with proper diagrams and…

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Q: Predict the reaction of Cr2+, Fe2+, Cl-, HClO, Zn(s) when blowing air into an acidic aqueous…

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Q: Main-group elements Match with the correct main-group element. Use each choice in only one answer.…

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Q: Describe the role of impurities such as sulphur and phosphorous on the properties of grey cast iron.…

A: Cast iron is a ferrous metal and iron- carbon alloy having iron as main component. There are many…

Q: Semiconductors made from elements in Groups 3A(13)and 5A(15) are typically prepared by direct…

A: Given: Mass of molten gallium     = 32.5 g Volume of molten gallium = 20.4 L Temperature…

Q: Elemental Li and Na are prepared by electrolysis of a molten salt, whereas K, Rb, and Cs are…

A: a) Aqueous salt solutions are mixtures of ions and water. When two half-reactions are possible at an…

Q: Give a brief descriptive comparison of super oxides, peroxides and ordinary basic oxides.

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Q: Which groups of elements have the best and which the poorest electrical conductivities? Explain.

A: For an element to conduct electricity, it must have free electron to move around.

Q: Describe some uses for (a) calcium and its compounds, and (b) magnesium and its compounds.

A: There are many  uses for (a) calcium and its compounds, and (b) magnesium and its compounds.

Q: Using balanced chemical equations suggest the synthesis of sodium tetraboroaluminate from H2, Na,…

A: Sodium tetraboroaluminate, also known as sodium aluminate tetraborate or Na2[B4O5(OH)4]·8H2O, is a…

Q: Write a balanced chemical reaction for the reaction of S2O32- ions with bromine to give bromide and…

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Q: Explain why the energetics of dissolution can be different for elements in the same group?

A: Dissolution energy is defined as the amount of energy released when a solute is dissolved in a…

Q: what is the role of silica in the metallurgy of copper?

A: The most important ore of copper found on the earth is the copper-pyrite ore whose chemical formula…

Q: Describe the nature of electrical conduction in (a) germa- nium doped with indium and (b) cadmium…

A: (a) Germanium doped with indium: When germanium is doped with indium, it creates new levels at the…

Q: Compare the geometries of Nickel(II) acetonate and Palladium (II) acetonate and comment on their…

A: The geometries of Nickel(II) acetonate and Palladium (II) acetonate a) geometries of Nickel(II)…

Q: Despite their ability to heal, drugs can naturally become dangerous if consumed in excessive…

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Q: How is Vanadium a Problem and an opportunity?

A: Interpretation: How vanadium is a problem and an opportunity is to be determined.

Q: Senoff was working with ruthenium-based compounds, and upon discovering a brown compound, proposed…

A: The compound that Senoff discovered is a brown color compound. On the other hand, boron monoxide is…

Q: Rank the following in order of increasing electrical con-ductivity, and explain your ranking: Po, S,…

A: The given elements have to arranged in the order of increasing electrical conductivity, The given…

Q: Name an alloy of:(i) Aluminium used is construction of aircrafts(ii) lead in joining metals for…

A: (i) Duralumin is the aluminium alloy used is construction of aircrafts. Composition of duralumin is,…

Q: Mn^2+orbital filling diagram

A: The distribution of electrons of an element in the orbitals is termed as its electronic…

Q: Why is it important to know the reactions of alkali and alkaline metals in metallurgical processes?

A: Alkali metals are group 1 elements like potassium, sodium, Lithium, cesium, rubidium etc. Alkaline…