What is an ionic crystal? What physical properties do they have? What is a metallic crystal? What physical properties do they have? What is an molecular crystal? What physical properties do they have? What is a covalent network crystal? What physical properties do they have?

Q: The single strand of nucleus acid shown is representative of A)RNA B)DNA C)Protien D)both RNA and…

A: The nucleic acid that serves as the primary blueprint for protein production in cells is called DNA…

Q: 31.29 mL of a 0.294 M solution of K2CrO4 is mixed with excess AgNO3. What mass (g) of Ag2CrO4 (MM =…

A: Given chemical reaction :-  K2CrO4 + AgNO3  ---->  Ag2CrO4 + KNO3 Molar mass of K2CrO4 is…

Q: Calculate the molar solubility in water at 20 °C and the respective partial pressure for: a) Oxygen…

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Q: what is the molecular geometry of KrBr₄?

A: The molecular geometry of the compound can be predicted using the Steric Number(S.N), which further…

Q: When 0.144 mol of CIFy is injected into a 1.00L flask, the following equilibrium is esablished.…

A: Given, 2ClF3(g)⇌Cl2(g) + 3F2(g) Initially moles of ClF3 = 0.144 mol At equilibrium, moles of ClF3…

Q: I do not understand Which of the following will have lowest vapor pressure? A. 1M salt water…

A: We know that Lowering of vapour pressure is a colligative property. Therefore it depends upon the…

Q: 3. For the reaction PCl3 + Cl2 → PC15 AH = - 124 kJ/mol The activation energy for the process is 154…

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Q: Consider this: PCI5 decomposes to PCI3 and Cl2 according to the equation PCI5 = PCI3+C12 When a…

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Q: Knowing

A: in mathematical terms ; m = M * I* T/N *F m=theoretical yield (current efficiency ) M= molar mass I…

Q: Option ОН Option 3 OH OH OH EtOH Option 2 EtOH Option 4 EtOH ОН OH

A: Hemiacetals are formed by reaction of alcohol with carbonyl compound in presence of acid this…

Q: Calculate the mass of nitrogen dissolved at room temperature in an 81.0 L home aquarium. Assume a…

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Q: (c) Propose reagents and conditions for the following 3-step synthesis of secondary amine 10,…

A: We have find out the reagents  and conditions for the  3-step synthesis of secondary amine.

Q: 9 4 Be + 1 1 H -    + 4 2 He what is the missing isotope

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Q: Balance the following equation (NH4)2SO4+NaOH=NH3+H2O+Na2SO4

A: Stoichiometric coefficients must be added to the reactants and products in order to balance chemical…

Q: (A) Compound 1 name: НО. H Holl CH₂ 1

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Q: What is the pH of a 2.0 M solution of sulfuric acid? Ka₂ = 1.2 x 10-² pH = [?] pH Enter

A: Given the concentration of H2SO4, C = 2.0M Since H2SO4 is a strong diprotic acid, the first…

Q: Calculate the potential of a Zn2+/Zn concentration cell, for aZn2+=0.05 activities in one half-cell…

A: In the given question we have to calculate the cell potential of concentration cell. First of all,…

Q: a) b) Sn1 Sn2 O E1 O E2 O Ecb1 Br Br (H3C)₂HC-N-CH(CH3)2 -N-CH H₂C-N-CH3 ~á N.

A: A). In first we are using lithium diisopropyle amine(LDA) which is very bulky base, not act as…

Q: Given всесод+ 2нд роц-р саз сро у 2а+ 3 Co2 + 30 3. 25 mol са сод 475 дор #з роу L...T.y 3 E.R Find…

A: Limiting reagent are those reagent which get exhausted during the chemical reaction and due to which…

Q: Name the structural diagram for the following:

A: Since,Rule of IUPAC-1) Longest chain as parent chain.2) Numbering start from those side where more…

Q: Consider this: PCIs decomposes to PCI3 and Cl2 according to the equation PCI5 = PCI3+Cl2 When a…

A: PCl5(g) = PCl3(g) + Cl2(g)…

Q: Use the calculations of CFSE to explain why [Ni(H2O)6]2+ is more reactive than [Co(NH3)6]3+ and…

A: Note: Since you have posted multiple questions, we will provide the solution only to the first…

Q: Why were some fuels called unleaded? I. Lead used to be added to diesel to improve its octane rating…

A: Any substance that can react with other materials to release energy as thermal energy or for use in…

Q: 3. What will happen if hydrochloric acid is added to the following equilibrium system? H+2…

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Q: Consider the cell: Pt(s) | Sn2+, Sn4+ || Fe2+ | Fe(s). Starting with 1 M each of Sn²+, Sn4+ and Fe2+…

A: The equilibrium constant is determined using the Nernst equation. During equilibrium, Q Equals K. We…

Q: How many of the following molecules do require an expanded octet on the central atom for its Lewis…

A: The molecules which has more than 8 electron requires expanded octet

Q: Identify the chirality centers in the following molecules

A: Chiral carbon: The sp3 hybridized carbon atom that is attached to the four different types of atoms…

Q: 2. Account for the bond angle differences between (i) H-C-H (109.5°) in methane and H-S-H (90°);…

A: Bond angles

Q: Homework: What mass of Ca(OH)2 is present in a sample if it is titrated to its equivalence point…

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Q: Compare the quantities given in Column A and in Column using the given information. Choose: A - if…

A: Ans. H2CO3 is diprotic acid and releases H+ in two steps. The first dissociation constant Ka1 is…

Q: 4. Show how you could carry out the following syntheses: (a) (b) (c) (d) xox from from from from Br

A: All these involved multiple steps. Here, simple organic chemistry reactions like Grignard reagent…

Q: Br O O A dimer would form; treat C=0 with diol in acid O Mg would react with C=0; treat C=0 with…

A: The problem is based on organic chemistry and its basic reaction mechanism. The solution of the…

Q: What are antidepressants? Give an example

A: Antidepressants : Anything ( especially a drug) which is used to treatment of dipression is term as…

Q: 3+ Complete the table below. For example, in the first row decide whether Sc is a cation or anion.…

A: Cations are ions that are positively charged and  anions are ions that are negatively charged.If an…

Q: (a) CH3. (b) CH3

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Q: What evidence of chemical change might you expect to observe from this reaction?

A: The given reaction is a type of displacement reaction. The formation of ammonia is evidence of the…

Q: 1) With the information given, draw the correct chemical structures (in standard bond- line) in each…

A: Hydroboration–oxidation reaction: Alkene gives an electrophilic addition reaction with borane.…

Q: Calculate the equilibrium constant of thi s redox reaction at 25 degrees celsius. F = 96500 C/mol…

A: Formula used ∆G° = — nFE° —(1) ∆G° = — 2.303 RT log K  —(2) from (1) & (2) nFE° = 2.303 RT log K…

Q: Draw the electron dot diagram for carbon monoxide and carbon dioxide. Predict the products…

A: Given Lewis structure of CO and CO2

Q: What is the electrostatic potential energy (in joules) between an electron and a proton that are…

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Q: 3) Step 1) A B+C (Fast, equilibrium) Step 2) CD+E (slow) Write a rate law that is consistent with…

A: 3. Answer:

Q: Suppose you have collected the X-ray powder diffraction pattern of tetragonal BaTiO3 at room…

A: Ans a. Four most intense reflections are 2θ (°)             (hkl)             Intensity (%)31.45…

Q: Consider these react 1 Reaction 1: Reaction 2: Reaction 3: H₂(g) + Cl₂(g) →→→ 2HCl(g) 20F2(g) ->…

A: Answer-528 g chlorine consumed

Q: Consider the reaction below: A (aq) + B (aq) C (aq) If the initial concentration of [A] = 0.225 M…

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Q: NH₂ N Ph CO,t-Bu MeO. OH 1.H Η Cl OMe NO2 THF, -10°C 2. H₂O* 1. OMe 2. NaBH4, MeOH SMe CHO CHO, THF…

A: A). The bulky reducing agent lithium aluminium (tri t-butoxy)hydride can reduce acid halides to…

Q: 5. Which of the following is true of orbitals? a. They are two-dimensional paths around the nucleus.…

A: We have to select the correct statement from the given options with respect to orbitals.

Q: What is the the solubility product constant (Ksp) of Ag₂SO, that has a molar solubility of 0.350 M?

A: We have to calculate the solubility product constant

Q: Which of the following is the strongest acid? O a. H₂Se O b. H₂S O c. H₂Te Od. H₂O

A: Given, Which of the following is the strongest acid. a) H2Se b) H2S c) H2Te d) H2O

Q: The following experimental data were obtained for the reaction A + 2B →3C: Initial speed of…

A: For reaction  A + 2B → 3C the rate or velocity law is given as rate (R) =…

Q: 55) What is the major product of the following reaction sequence? 1. Br2, CC14 A) B) 2a. NaNH₂…

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