Which one of the following covalent compound structures is characterized by the SMALLEST bond angles between pendant hydrogen atoms? H₂O dihydrogen monoxide H-O: I H H₂O CH4 NH3 CH₂ carbon tetrahydride H H-C-H H NH₂ nitrogen trihydride H-N-H H

Q: Which of the indicators (i.e. litmus paper, universal indicator paper and/or pH meter) could NOT be…

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Q: A piece of zinc rod was placed in aqueous silver nitrate. Which of the following ionic equations…

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Q: Which of the given function groups is not present in the following structure? NH₂ HO H CH₂OOH

A: Functional group: Group of atoms of an organic compound which changes the chemical and physical…

Q: → X C Protons in different environments produce signals at different chemical shift positions. How…

A: Number of signals in proton NMR = Number if sets of protons in different electronic environment

Q: What is different for enantiomers? a)The rate at which they react with a chiral column b) the TLC Rf…

A: Enantiomers- These are compounds having the same physical and chemical properties but they are…

Q: How many oxygen atoms are in one mole of Sn(SO4)2- 4.818 x 1024 02 04 08 O 6.022 x 1023

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Q: Magnetite is reduced to iron atoms by graphite. In the reaction below, at what temperature does the…

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Q: Determine [H3O+] in each acid solution. If the acid is weak, indicate the value that [H3O+] is less…

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Q: 47. Four solutions of unknown HCl concentration are titrated with solutions of NaOH. The following…

A: Given , HCI is titrated with NaOH solution.

Q: Write the net ionic equation for the reaction when solutions of magnesium sulfide and copper nitrate…

A: Spectator ions do not participate in chemical reactions

Q: Rhodium is a bright, hard, and highly reflective metal. It is most commonly used to plate white gold…

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Q: Macmillan Learning Calculate the equilibrium constant, K, for the reaction shown at 25 °C. Fe³+ (aq)…

A: Given , Reaction : Fe3+(aq) + B(s) +6 H2O(I) →FeS(s) + H3BO3(s) + 3H3O+(aq)

Q: The buret was filled with 0.100 M HCl solution. Then was transferred in a 25.0 mL of saturated…

A: 1) Concentration of HCl is 0.1 M  Volume of HCl in trial 1, V1: 3.4 ml Volume of Ca(OH)2 , V2 = 25…

Q: Complete the equation to show how pyridine, C, H, N, acts as a Brønsted-Lowry base in water.…

A: Bronsted Lowry bases are those which can accept the proton in the solution from the counter molecule…

Q: Determine the age of rock that contains 32.4 mg of 238U and 2.89 mg of 206Pb. (1/2 of 238U = 4.51 ×…

A: Given: t1/2 of U238= 4.51×109 yr Mass of U238 = 32.4 mg Mass of Pb206 = 2.89 mg

Q: Using the following equation how many grams of water you would get from 744 g of glucose: Your…

A: Percentage yield = Actual yield /percentage yield ×100

Q: Which of the compounds listed would be one of the final major products for the following reaction…

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Q: Determine the pH of a 0.095M hypochlorous acid solution given that the K₂=3.0 x 10 (EQ3.7)…

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Q: Show preparations of these alcohols from alkenes. ОН b) ОН c) OH

A: There are various ways of preparation of alcohols from an alkene, like if we want alcohol to the…

Q: Draw the structure of the following compounds: (1) (2S,4S)-2-ethyl-4-hydroxycyclopentan-1-one (2)…

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Q: Kindly draw the structure of 3-isopropyl-5,5-dimethyl-6-phenylhexanal

A: The compound is 3-isopropyl-5,5-dimethyl-6-phenylhexanal  So,  in hexanal ( an aldehyde)  , four…

Q: Hydrazine, N₂H4, decomposes according to the following reaction: + N₂ (8) 3 N₂H4 (1) → 4 NH3 (g)…

A: ∆Horxn  is the heat of the reaction or the enthalpy of the reaction.It is a unit of measurement to…

Q: Write the electron configuration of an atom of the element highlighted in this outline of the…

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Q: 49 g of an unknown metal is heated to a temperature of 150.0 C. A calorimeter is filled with 120.0 g…

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Q: What is the name of the compound: CH₂CH(OH)CH₂CHO OA. 3-hydroxybutanal O D. 2-hydroxypentanal O C.…

A: Naming of the organic compound is done using systematic method which is universally accepted. Here…

Q: Consider the equilibrium reaction,   MX3(s) ⇌ M3+(aq) + 3X-(aq)   Which of the following is TRUE…

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Q: A redox reaction used in an electrochemical cell has a negative standard free energy change, AGrxn-…

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Q: D Question 33 What are the hybridization state, molecular geometry and approximate bond angle for…

A: Number of electron pair on central atom (bp + lp)C Hybridization Molecular geometry Bond angle…

Q: Determine the following: a. Construct an ICE table for the reaction. b. Calculate the molar…

A: The reaction taking place is- 2HCl (aq) + Ca(OH)2→CaCl2(aq) + 2H2O (l)

Q: Which of the following is the conjugate base of the substance, HCr2O7-? Cr2O72- H2Cr2O7 Cr2O7

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Q: 3. A particular electromagnetic radiation (ER) has a wavelength of 562 nm. a) Calculate the…

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Q: Acetaldehyde (CH3CHO) is an important chemical both industrially and biologically. For instance, it…

A: Solution: Given the concentration of hydrated form =2.60M 2.0M CH3CHO is added to the flask Amount…

Q: You have prepared a solution using 2.08 g of NaOH (M.W.=40.00 g/mole) and 2.54 moles H2O(MW 1…

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Q: Select the correct IUPAC name for the compound shown to the right. O B) k OE)…

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Q: Identify each of the following as a strong electrolyte, a weak electrolyte or a nonelectrolyte,…

A: To identify the given compound as strong electrolyte or non-electrolyte, check whether the given…

Q: Use Woodward-Fieser rules to estimate the expected Amax for the following compound:

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Q: A closed vessel is charged with 0.74 bar of hydrogen gas and allowed to react with excess I2(s) at…

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Q: An increase in the temperature of a solution usually     increases the boiling point.…

A: Solubility is defined as the maximum concentration of solute that can be dissolved in a certain…

Q: The Ka of the conjugate acid of a pesticide is 6.7 x 10-6. What is the Kb of the pesticide at 25°C?…

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Q: Predict the name of the following compounds OH 01 CI O C. 3-hydroxy- 2-chloro-pentanoic acid O A.…

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Q: e aqueous s [Ni(CN)4] complex K, = 2.00 × 10³¹ at 25 °C. se equal volumes of 0.0096 MNi (NO3),…

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Q: Draw the major organic product formed in the reaction.

A: In the given reaction hydrogen bromide reacts with 1-phenyl-1,3-butadiene to give an addition…

Q: 2. Based on Appendix 1, identify any two (2) significant bonds and the approximate wavenumbers…

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Q: In basic medium, cyanamide reacts with itself (it dimerizes) to form dicyanamide whose Lewis…

A: Levis dot structure represent the diagram of covalent compound (polar and nonpolar) where electrons…

Q: How many protons does the As3-ion possess? 33 30 36 04 08

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Q: A chemist must prepare 650.0 mL of sodium hydroxide solution with a pH of 13.70 at 25 °C. She will…

A: We know that Molarity = number of moles of solute / volume of the solution in L pH + pOH = 14 Given…

Q: Cr2O72– (aq), reacts with zinc metal to produce Cr3+ (aq) and Zn2+ (aq) ions. When the reaction is…

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Q: D) 18. Fill in the reagent, reactant or product as required. А) OH OH OH

A: We have to give the reagents to carry out the below-given synthesis.   Introduction: Selective…

Q: 2. Provide the reagent(s) necessary to achieve the following reactions. لسلة a. b. سلام HO' OH ستر…

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Q: Briefly describe the preparation method of solid and liquid samples for the analysis by infrared…

A: l  For liquid compounds  apply 1 drops of liquid compound in the center of one plate then place a…