What amount of energy is required to change a spherical drop of water with a diameter of 2.20 mm to five smaller spherical drops of equal size? The surface tension, y, of water at room temperature is 72.0 mJ/m². AE= 2.7 x10-³ ml

Q: Liquid butane is used in cigarette lighters. The boiling point of butane at 1 atm pressure is -1.0…

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Q: Draw Three examples of structural isomers that have the chemical formula C6H14.

A: Since, Isomer are those whose molecular formula same but structural formula is different. It means…

Q: 2Co²+ + 2Sb0++ 3H₂O2Co + Sb₂05+ 6H+ In the above redox reaction, use oxidation numbers to identify…

A: Since, In redox reaction, Oxidation and reduction reaction both takes place simultaneously. Thus,

Q: Using the Marcus Theory chart determine whether the reaction is endo or exothermic The chart looks…

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Q: ) show the major organic products са ·O· ОСПЗ YOCH ₂ Br Br H2O Hзот. - heat

A: Esters undergo hydrolysis to give caboxylic acid which on heating undergo decarboxylation. Allylic…

Q: Concentration conversions a) 1 g/L to ppm b) 20 ppm to mg/L c) 10,000 ppm to mg/L d) 0.8 mg/L to ppm

A: ♦ Parts per million or ppm is used to express the concentration of a substance . It is defined as…

Q: The central atom in does not violate the octet rule. KrF2 SF4 CF4 IC14 XcF4

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Q: Describe what is meant by chemical kinetics • Describe the factors that affect the rate of chemical…

A: We need to explain what is chemical kinetics and the factors affecting chemical reaction. Then we…

Q: Calculate the mass of CaSiO3 if 60.64 g of Ca3(PO4)2 were used in the reaction below: 2 Ca3(PO4)2(s)…

A: Mass of CaSiO3 can be determined from the moles of Ca3(PO4)2

Q: The correct name for Fe₂O3 is:

A: Using the nomenclature of inorganic compounds, correct name for Fe2O3 can be found out.

Q: [CLO-3] Which one of the following groups of elements would be expected to have very similar…

A: 1.The element having similar  outer electronic configuration belong to same group. 2. As outermost…

Q: Is a combustion of ethanol : C2H5OH(g)+3O2(g)?2CO2(g)+3H2O(g) exothermic reaction or a endothermic…

A: Exothermic reactions : The reactions in which the energy of the products is less than the energy of…

Q: How do you convert 1:20 to a dilution factor?

A: We need to explain how to convert 1:20 to a dilution factor. 1:20 is the ratio and we have to change…

Q: Give the molecular formula for any stable molecules that contain one atom of the specified elements,…

A: The molecular formula for stable molecules that contain one atom of carbon and chlorine as the only…

Q: given You are metal alloy nanoparticles. determine the How will you Size 도 the Chemical Composition…

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Q: Which of the following statements is/are true? a. Mixing acetone and ethanol resulted in an increase…

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Q: The vapor pressures (in atm) of solid and liquid ammonia in the vicinity of the triple point is…

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Q: solution was prepared by dissolving 10.25 g CaCl2 in 400 mL H2O. Given that, CaCl2 MW = 111…

A: Knowing the colligative property "depression of freezing point" of a solution after a solute is…

Q: a. Be(OH)2 + H₂SO4 → b. H₂B-NH₂ + HBr → c. PC15 (g) + SO2 (g) → d. Al2Se3 (s) + HCl(aq) → e. Cl2(aq)…

A: Finish and balance the following reactions.   Dear student, according to the Bartleby guidelines, we…

Q: What are the differences in the reactivities: a. Be and H2 compared to other Group 2 elements and H2…

A: To provide the difference in the reactivity of Be and other group 2 elements with (a)  H2 (b) H2O…

Q: Discuss the concept and importance of 1H-1H Correlation Spectroscopy (COSY) in structure…

A: Answer: There are a variety of methods for structure determination like X-ray crystallography, cryo…

Q: 1) Which is a triatomic molecule? a) NO2 b) Cl2 c) CuCl 2 d) HBr e) AsH 3 f) NaNO3 g) CaO

A: Molecule which have three same or different atoms are called triatomic molecules. a) NO2 is…

Q: (2) Draw 3 reson ance contribue fors for nap thabene wrong w/ 16) Breifly explain what is wor the…

A: The resonance structure of a compound is the similar and equal energy structure contributor to the…

Q: (a) Rank the following molecules from most acidic to least acidic. Use the format 1>2 if you want to…

A: Acidity of a compound depends on the stability of its conjugate base. Greater is the stability of…

Q: Concerning the rate law, Rate = k[A]2[B], which of the following conditions will increase the rate…

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Q: 3. Answer the following questions about the isomers fulminic acid(left) and isocyanic acid(right).…

A: The given data shows The affect of bond strength due to the internuclear distance in isocyanic acid…

Q: Consider a lab measurement where the mass of a solid substance was needed. The student weighed an…

A: To find out the mass of the solid, we need to do the subtraction of the two given values. Then check…

Q: Which combination will not act as a buffer? A. 0.25 M KHSO3 and 0.20 M H₂SO3 B. 0.20 M NH4Br and…

A: A question based on equilibrium concept. Four choices about different combinations are prescribed,…

Q: The decomposition of acetaldehyde is a second order reaction with a rate constant of 4.7 × 10−2 M−1…

A: Given: The rate constant for the decomposition of acetaldehyde = 4.7 × 10−2 M−1 s−1 We have to find…

Q: Find the total amount of energy released (in J) when 45.7 g benzene (m.p. = 5.53 °C; b.p. = 80.1 °C;…

A: Given : thermodynamic data

Q: -F Two protein structural features are illustrated below. These features represent two types of ISCR…

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Q: Identify if the following name and structure have any mistakes. If it has a mistake, fix them by…

A: The naming of an organic compound can be done with help of rules of international union of pure and…

Q: What is the half-life of a sample that decays from 200 grams to 12.5 grams in eight hours?

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Q: Cis-[PtCl2(NH3)2] is a complex commonly known as cisplatin. When the two chloride ligands in this…

A: The geometry of this complex is square planer. Diagram :

Q: Use the following structure of aspartame to answer the following questions NHz: Ο Н.з.С.. H N ОН a)…

A: Zwitter ion is the species generated by the exchange of protons in amino acids. In simple terms, an…

Q: What is the mole fraction of solvent in a solution of aqueous sucrose (a nonelectrolyte) that has a…

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Q: Nickel crystallizes in a face-centered cubic lattice. If the density of the metal is 8.908 g/cm³,…

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Q: (b) A sample of radioactive material has an initial activity of 135.0 decays/minute. After 5 days 7…

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Q: The concentration of a reactant compound decaying according to first order kinetics undergoes 6 half…

A: We are given a reaction with no. of t1/2 (n) = 6. Time elapsed (T)= 309 min. t1/2 = T/n t1/2 = 309…

Q: O₂NNO

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

Q: Given the reaction:  CaCO3(s)  ??  CaO(s)  +  CO2(g), the entropy (ΔS) change for this reaction is…

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Q: solution of 0.732 m NaBr (M.W. = 102.894 g/mole) concentration has a density of 1.03 g/mL. What is…

A: Molality of a solution is defined as the number of moles of solute in 1000 g of solvent. Given…

Q: 4. Synthesis problem: synthesize the following product from starting material given. Give all the…

A: We have find out the reagents.

Q: in acid-base titration 50.0 mL of a solution of sodium hydroxide is neutralized by exactly 12.50 mL…

A: We know that for acid base titration of H2SO4 and NaOH H2SO4 is dibasic. So, 2M1V1 = M2V2 M1 =…

Q: SCR What amino acid sequence would you expect from the translation of the following mRNA segment?…

A: We need to write the amino acid sequence corresponding to the mRNA segment given. The given mRNA…

Q: Javi wanted to use a Styrofoam ball calorimeter to determine the enthalpy of dissolution when NH4Cl…

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Q: Calculate the ratio [A-]/[HA] for a pH 10.00 buffer composed of HCO3- (pKa = 10.25) and CO32-

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Q: Provide the major organic product of the reactions shown below. CO₂H to CH 3 CH3COCI, pyridine -OH…

A: We have find out the major products.

Q: Provide the names for the following (3 points each): a) Blank 1 b) Blank 2 c) Blank 3 Last saved…

A: We are provided some organic compounds and we need to write the IUPAC name of the compounds.

Q: Identify the false statement regarding the given redox reaction. Note that the reaction is under…

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