Which element resides in the third period under group 4A (14) of the periodic table? A) Ge B) Si C) AI D) Sc E) P

Q: a) Consider a pot of water at 100°C. If it took 1,048,815 J of energy to vaporize the water. How…

A: Enthalpy of vaporization of water = 2260 J/gTemperature of water = 100oCEnergy required to vaporize…

Q: The synthesis of spinel Mg, TiO can 2 4 be achieved by heating TiO with 2 MgO at 1400 °C over a…

A: Given that the synthesis of the spinel Mg2  TiO4 can be achieved by heating TiO2  with MgO at…

Q: The oxidation of nitrogen monoxide by oxygen at 25 °C 2NO+O₂ → 2NO2 is second order in NO and first…

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Q: Predict the product for this reaction. Can someone please explain this to me I do not know what is…

A: A question based on reactions of alkene. For the given diene, the appropriate product of its…

Q: Mass of unknown ammonium salt Molarity of NaOH(aq), M2 Molarity of HCl(aq), M1 Volume of NaOH(aq)…

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Q: Dehydration of alcohols is the reverse reaction of the hydration of an alkene. Typical reaction…

A: Rearrangement happens to make the carbocation more stable. It can happen via alkyl shift or ring…

Q: Draw the product of the reaction shown below. Ignore inorganic byproducts. HO CrO₂ acetone, H₂O:

A: CrO3 is called jones oxidising reagent. It will oxidised primary alcohol to aldehyde or carboxylic…

Q: 3. A student followed the procedure of this experiment to determine the percent NaOCl in a…

A: Given The volume of bleaching solution diluted from The volume of  required to neutralize 20 mL…

Q: A sample containing only carbon,hydrogen,phosphorus and oxygen is subjected to elemental analysis.…

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Q: Veff (r) (eV) 80 60 40 20 -20 -40 -60 -80 The following figure was presented in lecture. Zeffe²…

A: Given is a curve of  for sodium.To find the curve which represents the core electrons of sodium we…

Q: What amount of energy is required to change a spherical drop of water with a diameter of 2.00 mm to…

A: Given that, Diameter of big droplet = 2.0 mmSurface tension of water = 72.0 mJ/m2

Q: The following initial rate data are for the reaction of ICI with hydrogen: 2IC1 + H₂ → I₂ + 2HCl…

A: This problem is based on Chemical kinetics.Here, we have to find the rate of the equation and then…

Q: Which is the product of the following mini-synthesis sequence? A Y O Structure A Structure B O…

A: We have been given a reaction sequence which we have to complete.

Q: O нн н 111 н-с-с-с-н Н н Н TI 1 н-с-с-с-с-с-н Н н н Н н н н н

A: As the molecular weight increases, the boiling point also increases. Also, with a decrease in the…

Q: According to the Safety Data Sheet (SDS) of Benzoic acid, what would be appropriate to do if someone…

A: We should know the safety data sheet to answer this problem.

Q: Using Slater'srules, determine Z* for a 3d electron of Cu.

A: From  number of protons in  nucleus as well as  effective shielding of electrons within every…

Q: Fill in the name and empirical formula of each ionic compound that could be formed from the ions in…

A: To find the empirical formula of an ionic compound : first identify the cation and write down its…

Q: Identify the functional groups present in the given pair of compounds. Choose all that apply. a.…

A: Functional group is the group or atoms present in the organic compound which shows the…

Q: The complete reaction of 6.8 g of FeCl₂ (MM = 126.75 g/mol) produced 1.34 g of CrCl3 (MM Calculate…

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Q: a pharmacy technician measures the mass of a pill. the mass of one pill is 386 mg. what is the mass…

A: According to the question,The mass of the 1 pill = 386 mgThe number of pills = 100Find- The mass of…

Q: For this assignment I want you to look up some of the following compounds with their conjugate acid…

A: If the pH is greater than pKa then deprotonation occurs and it exists in deprotonation form. While…

Q: This energy diagram shows the allowed energy levels of an electron in a certain atom or molecule: B…

A: An absorption spectrum is constituted by the frequencies of light transmitted through dark bands…

Q: tructures. (a) (b) (C) + +

A: A Lewis Structure is a very simplified representation of the valence shell electrons in a molecule.…

Q: ход CI H OCH3

A: The unequal proton environments in NMR spectroscopy arise from the different chemical surroundings…

Q: Polymers may be composed of thousands of monomers. Draw three repeat units of acrylonitrile. Assume…

A: To draw the three repeat units of acrylonitrile polymer

Q: Calculate the formal charge for each atom and find the hybridization of each atom. H₂C ZI H -CH3

A: Hybridization is a process that involves the mixing of atomic orbitals with each other to form…

Q: CH3O CH3OH Draw the molecule(s) on the canvas by choosing buttons from the Tools (for bonds and…

A: The given reaction is a base catalysed ring opening reaction of epoxide. In this reaction,  the…

Q: Please how many vertical nodes each have

A: Node is a point or area surrounding the nucleus ,where the probability of finding electron is zero.

Q: Mixture 1: Initial Concentrations Mixture 1 22 Table 1: Reaction data for Mixture 1 Temp (C) Temp…

A: The mathematical form of the Arrhenius equation can be shown as follows-Here, k is the rate…

Q: Protons can be accelerated to speeds near that of light in particle accelerators. Estimate the…

A: de Broglie wavelength formula is 1 m = 109 nm

Q: Identify which of the following molecules can exhibit hydrogen bonding as a pure liquid. Check all…

A: Given:The given molecules are:Determine the hydrogen bonding as a pure liquid.The attractive or…

Q: Constant-volume calorimeters are sometimes calibrated by running a combustion reaction of known and…

A: Here, energy released due to combustion of glucose = energy absorped by the calorimeter

Q: Indicate if the following double bonds are isolated, conjugated, or cumulated. Please answers A, B,…

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Q: Complete the equation: HC1(aq) +KHCO3(aq) →> O H₂O(1) + CO₂(g) + KCl(aq) O KCl(s) + H₂CO3(aq)…

A: A neutralization reaction is a chemical reaction between an acid and a base that forms a salt and…

Q: 3. A student followed the procedure of this experiment to determine the percent NaOCI in a…

A: “Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: 8. Give the reactants (including stereochemistry) that would give the following Diels-Alder product.…

A: Here by using retrosynthesis analysis ,we can predict the reactants required to synthesise the given…

Q: Determine the configuration of each stereogenic center in the compound below. Highlight the carbon…

A: Given is organic compound.Stereogenic center is carbon that has four different groups attached.

Q: Rank the acids in the table below from strongest (1) to weakest (4). The most acidic H atom in each…

A: Acid is a species that can donate proton (H+) .The acid strength depends on the stabilty of its…

Q: the theoretical yield, in grams, of salicylic acid expected from 0.65 grams of methyl salicylate.…

A: Methyl salicylate convert to salicylic acid via the saponification reaction which is basically a…

Q: || 3 R' C - Fatty acid - OH Find the reactant that reacts with free fatty acids to produce a…

A: We know that in triglycerides ester groups are present and also we know that fatty acids contains…

Q: How much heat is required to convert 135 g of ice at -15 °C into water at 80 °C? The specific heat…

A: First, we have to convert the ice at  to ice at . Then, the ice at to liquid water at . Next, the…

Q: Thin layer chromatography :  When placed on a plate, the silica gel has a polar surface. Explain…

A: The objective of the question is to understand why silica gel has a polar surface when used in thin…

Q: 2-Pentanol reacts with hydrochloric acid to undergo a substitution reaction. What is the mechanism…

A: An arrow always depicts from a region of high electron density to low electron density ; that is…

Q: For benzene (C6H6), the normal boiling point is 80.1 Degree Celsius and the enthalpy of vaporization…

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Q: What is true for this chemical reaction: 2SO₂(g) + O₂(g) Select an answer and submit. For keyboard…

A: If any reaction is happening then .

Q: B Give the IUPAC name for the following compounds. To preview the image click here 1. Choose the…

A: Cosidering the root suffix alkyl group base name, IUPAC of the given compounds done. Priority of…

Q: For a first-order reaction, if 22.5% of the sample has decomposed after 25.0 s, what is the…

A: Given : 22.5 % decomposition after 25.0 s.We need to calculate the half life of the first order…

Q: Draw the product of the reaction shown bel wedge bond to indicate stereochemistry of substituents on…

A: -> An electrocylic reaction is pericyclic reaction in organic chemistry where a cyclic compound…

Q: At a certain temperature the vapor pressure of pure heptane C7H16 is measured to be 178. torr.…

A: The objective of the question is to calculate the vapor pressure of the solution prepared by mixing…

Q: The representation of the potential of an indicator electrode against the logarithm of the analyte…

A: The question is asking about the graphical representation of the potential of an indicator electrode…