The melting point of ammonia is -107 °  C.  Would you expect the melting point of PH3 to be -207°  C, -107 ° C or 7 ° C?

Q: Consider the perchlorate (CIO) anion. What is the central atom? Enter its chemical symbol. How many…

A: The central have highest number of bonds and least electronegative among the atoms of the compound.…

Q: Determine the name for N₂O5.

A: Given compound N2O5

Q: Check the box next to each molecule on the right that has the shape of the model molecule on the…

A: Molecular geometry is the three-dimensional arrangement of the atoms that constitute a molecule. It…

Q: Classify each of these reactions. Reaction 2 NaOH(aq) + Pb(CIO3)₂(aq) - C₂H₂(g) + 30₂(g) - 2…

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Q: Consider the thioformaldehyde (CH₂S) molecule. What is the central atom? Enter its chemical symbol.…

A: Since, According to the VSEPR theory, steric number (which represent hybridization) is the…

Q: + COOH Dissolve in diethylether Extract with aqeous NaHCO3 Upper Layer Lower Layer

A: Ethar is not soluble in water. Naphthalene is soluble in organic solvent. Hence it will dissolve in…

Q: 9. Use the step-wise mechanism for the following Gabriel Synthesis products. mje [1] [2] H₂O, OH 10.…

A: Gabriel synthesis is used to synthesis primary amine from primary halides under basic condition.…

Q: H₂C CHA CH₂ Ch 0₂ Air Ch Light Light 0₂ Air 460₂+5 + + +

A: A combustion reaction is a reaction in which oxygen combines with the fuel or hydrocarbon to produce…

Q: (e) Predict the major product(s) for the following reactions and provide mechanism. What is the…

A: The reaction of vicinal dihalide with Zn/heat produces an alkene.

Q: Question 6 If P (s) is added to the reaction, what will happen to the amount of O₂(g)? A. O increase…

A: According to Le Chatelier's principle, if a dynamic equilibrium is upset by changing the conditions,…

Q: What is the solubility of MgCO, in water? (Ksp of MgCO, is 3.5 x 10°)

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Q: ped Lewis structure [8-81 : 0: C || :O: [:-] Is the proposed Lewis structure reasonable? Yes. No, it…

A: we have to select the correct statement with respect to the Lewis structures and octet rule

Q: A chemist prepares a solution of magnesium chlonde (MgCl) by measuring out 0,40 g of MgCl, into a 50…

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Q: In a household ammonia, there is 4.25 g of NH3 in 500 mL of solution. Express the said concentration…

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Q: Determine the molality of a solution made by dissolving 4.50g of NaCl in 650.0 mL of ethanol.…

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Q: Calculate the moles of C2H6O in 9.47x10^24 molecules of C2H6O.

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Q: A cream contains 12% v/w of glycerol. How may mg of glycerol ( density 1.26 g/cm3) in 3.3 g of…

A: Given, % v/w of glycerol in cream = 12% Density of glycerol = 1.26 g/cm3  The mass (in mg) of…

Q: For each of the following molecules, indicate the hybridization requested and whether or not the…

A: We have to give the hybridization of the below given atoms in the molecules. Ammonia (NH3) central…

Q: Which of the following reactions will be slowed at 25°C? Select one: O a. Cu(s) + S(s) → CuS(s) +…

A: Reactivity orders 1) gases 2) liquid  3) solid

Q: ne pka of HCOOH is 3.74 and the pH of an HCOOH, fer solution is 3.89, which of the following is…

A: pH of buffer solution is calculated by using Henderson Hessalbalch equation

Q: Can someone help me determine the compound and match the signals?

A: Now, we have to calculate the double bond equivalence (DBE) by using the formula for molecular…

Q: Use the References to access important values if needed for this question. The formula for aluminum…

A: Dear student since you have posted multiple questions, As per BARTLEBY QnA guidelines we are allowed…

Q: The ?a of a monoprotic weak acid is 0.00380. What is the percent ionization of a 0.120 M solution of…

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Q: 5. Build another hexane molecule and place it alongside the first one you built. f) What types of…

A: Atoms in molecules are held together by bonds. A group of atoms that have a strong enough…

Q: 3. Sketch out a Born-Haber cycles for the formation of (a) YCl3 and (b) SrCl3. Explain why one of…

A: Born Haber cycle is a cyclic representation of enthalpy changes associated with the process of…

Q: TOPIC: Stoichiometric Calculations 1.) How do you prepare 75mL of 25% (w/v) sodium chloride? 2.)…

A: The question is based on the concepts of solutions. we have to prepare the desired solution.

Q: A tiny sample of an aqueous solution of two substances R and P is sketched below, as if it was under…

A: Recall the interconvertion reaction of R and P,                                               R aq…

Q: 9) Designing a Synthesis Assuming that a single carbocation rearrangement occurs, which of the…

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Q: 15. The correct IUPAC name for the ester is which of the following? 16. The correct IUPAC name for…

A: According to the IUPAC nomenclature, First longest chain of carbon atom is identified. Numbering is…

Q: Part B How much Na SO, solution must be added to initiate the precipitation? Express your answer in…

A: 1.0 M Na2SO4 solution is added slowly to 40 mL of a solution that is 0.20 M in Ca2+ and 0.30 M in…

Q: A student is making a solution of NaCl in water. If the student uses 8.38 grams of NaCl and enough…

A: Molarity is defined as moles of solute present in 1 L of solution. it is a method of expressing…

Q: Draw the two possible products of this reaction. Ignore inorganic byproducts. 1. Strong Base 2.…

A: Strong base remove alpha hydrogen of a ketone to form an enolate ion , which reacts with primary…

Q: In the window below, draw the form of the alkyne that will predominate at equilibrium. CH,CH,CH,C=CH…

A: The incomplete chemical reaction given is CH3CH2CH2C≡CH + NaNH2 ⇌ ? + conjugate acid of the base

Q: Calculate the moles of Fe in 4.16x10^22 atoms of Fe

A: Given, number of Fe atoms = 4.16 × 1022 atoms  we know,  => moles of Fe = number of Fe atoms /…

Q: Write the hydrolysis to the anion and the hydraulic of cation and determine based on the arrows…

A: Hydrolysis is a chemical reaction that occurs when water molecules break apart the ions in a salt.…

Q: How is the molar mass of a compound related to its empirical formula?

A: The molar mass of a compound is related to its empirical formula through a simple mathematical…

Q: . (e) Predict the major product(s) for the following reactions and provide mechanism. What is the…

A: The question is based on organic reactions. this is an example of electrophilic aromatic…

Q: The halogens have .......(number of) electrons in their valence shell. Select one: a. 2 Ob. 8 O c. 5…

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Q: Determine the amount of concentrated sulfuric acid required to make 100 ml of 0.75 N H2SO4 in ml.

A: To determine the amount of concentrated sulfuric acid required, we need to know the concentration of…

Q: What species is represented by the following information? pt = 12 n° = 14 e¯ = 10 O Si4+ O Mg Ne Si…

A: Here the number of protons are 12; number of electrons available is 10 . In neutral atom number of…

Q: Calculate the PH and the POH for a .66 moles solution of NH3  Ki for NH3 = 1.9 x 10-5

A: To calculate the pH and pOH of the solution, we need to first determine the concentration of…

Q: name hypochlorous acid acetic acid 0.1 M KCIO acid solution 0.1 M HONH3Br 0.1 M NaCH3CO₂ 0.1 M KBr…

A: As we know,  salt of strong acid and strong base are neutral in nature . salt of weak acid and…

Q: Buffer is 200 ml of 0.15 M Tris-HCl buffer with a pH of 8.9  a. Calculate the concentration of the…

A: The Henderson–Hasselbalch equation to find the pH of a buffer is given by: pH=pKa+logbaseacid Here…

Q: 4. An unknown aromatic compound (C₂H₁₁NO₂) displays the following ¹H and ¹³C APT NMR spectra.…

A: The question is based on the concept of organic spectroscopy. we need to analyse and interpret the…

Q: How much energy (in kJ) is required to boil 0.26 kg of ethyl alcohol that is initially at 10.3˚C…

A: Given, The energy (in kJ) is required to boil 0.26 kg of ethyl alcohol that is initially at 10.3˚C…

Q: convert the following using proper significant figures : 45.3 g to ml convert the following using…

A: ♠ Conversion of 45.3 g to ml                            79.2 km/sec to cm/hr…

Q: CHEMWORK What volume of 0.100 M NaOH is required to precipitate all of the nickel (II) ions from…

A: Given, For NaOH solution, Concentration of NaOH solution = 0.100 M = 0.100 mol/L Volume of NaOH…

Q: From their charges, predict the periodic table family number for the following ions: Br (select) K+1…

A: A) Bromine have gained one electron so have -1 charge  b) potassium have lost one electron so…

Q: 3.4 Why is it difficult to deposit Al-Cu alloy by evaporation or by CVD? Why does sputter deposition…

A: The question asks why it is difficult to deposit Al-Cu alloy by evaporation or CVD, and why sputter…

Q: Based on bond polarity and VSEPR shape, for which of the following covalent compounds are…

A: The product of the charge's magnitude and the separation between the positive and negative charge…