Calculations (Show all your work completely and Calculate the mass of the solution for each trial (given the density of the solution is 1.04 g/ml) . Calculate the heat absorbed by the solution in each trial. (qson) show your work

Q: If mass of an empty 9.5 mL pycnometer is 10.6 g and the mass of the same pycnometer with an unknown…

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Q: Arrange the following chemical species in order of increasing radius: Be 2+, Na+, Ne 2+ Na + < Be 2+…

A: Atomic size is the distance between the centre of the nucleus of an atom and its outermost shell

Q: Q2/A) Identify the characteristic signals the you would expect in the diagnostic region of an IR…

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Q: Determine the concentration of H+ in each solution at 25°C. A solution with pH = 1.0. [H*] = A…

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Q: Which of the following pairs of species is not a conjugate acid-base pair? O H₂CO3, HCO3- O 0²-, OH-…

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Q: You are on a new planet and discover a substance, Z2O that undergoes autoionization just like water…

A: Water self-ionizes as follows: H2O+H2O⇌H3O++OH- Equilibrium constant is expressed as:…

Q: Identify whether the following mechanism is SN1, SN2, E1, E2, or E1cB or a combination. Aa a. b. C.…

A: SN1: Weak nucleophile, tendency of substrate to form stable carbocation and polar-protic solvent…

Q: Calculate the amount of heat needed to boil 96.0 g of benzene (CH), beginning from a temperature of…

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Q: At 25.0 °C the Henry's Law constant for dinitrogen monoxide (N₂O) gas in water is 0.025 M/atm.…

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Q: Draw the structure di-tert-butylamine

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Q: Consider a cell constructed from standard Q2+/Q and D*/D electrodes. Q and D are symbols of…

A: we have to calculate the overall cell potential

Q: Free radical dibromination of isopropylcyclopentane with Br₂ in the presence of light and heat gives…

A: We have to give the product of the free radical bromination of the isopropylcyclopentane with Br2 in…

Q: The equilibrium pressure of hydrogen H2 over solid uranium U and solid uranium hydride UH3 at 500 K…

A: We have find out standard Gibbs energy of formation of UH3 (s) in the reaction: U(s) + 3/2 H2 (g) →…

Q: Molecule or lon SnCl4 #valence e **NO3 #valence e 6 **PF6 #valence e 6 SbCl5 #valence e 5 **N3-…

A: Valence electrons: These are the electrons that are present in the outermost shell of an atom.…

Q: The heat of vaporization AH, of acetonitrile (CH3CN) is 29.8 kJ/mol. Calculate the change in entropy…

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Q: In an aqueous mixture made up barium chloride and magnesium chloride, what is the identity of the…

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Q: Consider the following reaction: 2A (aq) + B (aq) C (aq) + D (aq) If the Kc for this equilibrium…

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Q: Identify all symmetry elements and point group of 50 y ²².

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Q: Be sure to answer all parts. Using the periodic table only, arrange the elements in each set in…

A: Electronegativity is defined as tendency of atom to attract the shared pair of electrons towards…

Q: What is the organic product formed in the following reaction? ото CH CH Br Br I III 0 Select one: O…

A: The elimination reaction of an alkyl halide is given and we have to tell the organic product of the…

Q: Calculate the amount of heat needed to melt 124. g of solid acetic acid (HCH₂CO₂) and bring it to a…

A: Given: Mass of acetic acid = 124 g Final temperature = 98.2oC Known: Heat capacity of acetic acid =…

Q: Choose the correct answer:- 1. Homolytic fission of C-C bond leads to the formation of: a) Free…

A: Carbocation is a species which carry positive charge on carbon whereas carbanion is a species which…

Q: Pyrethroids are insecticides that target the nervous systems of insects. They have found widespread…

A: The increasing order of stability for free radical is as follows: Primary &lt; Secondary &lt;…

Q: 7. What is the concentration in ppm of a solution that is 550 μM NaCl? OA) 550 OB) 3.2 x 10° OC) 32…

A: The mass of solute in mg present in a one-liter solution is known as ppm (parts per million)…

Q: Q19 Q9 H₂N NH₂ 9) How many resonance structures of the molecule below can be drawn that do not…

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Q: An electron microscope focuses electrons through magnetic lenses to observe objects at higher…

A: Given , For any microscope the smallest object that can be observed is half of the wavelength of the…

Q: Acid strength decreases in the series HI > HSO 4 - 1 > HF> HCN. Which of these anions is the…

A: Answer: A

Q: Molecule or lon CIF₂ # val 7 H3O+ Lewis Structure ALL Number of Regions of Electron Density on…

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Q: A certain metal M forms a soluble sulfate salt M₂SO4. Suppose the left half cell of a galvanic cell…

A: Answer: Left electrode will be positive. The voltage shown by the voltameter is ≈0.10V (0.0977V).

Q: The blood of a reckless driver contains 0.10% alcohol. The concentration of alcohol is equivalent to…

A: we are given concentration of alcohol in the blood sample and asked to convert the same to ppm

Q: 1. Calculate the molarity of 0.060 moles NaHCO3 in 2500. mL of solution.…

A: • Thus, the molarity of 0.060 moles of NaHCO3 in 2500. mL of solution is 0.024 M in correct number…

Q: 1. Which of the following describes the difference between protic and aprotic solvents? a.aprotic…

A: We have been given two questions. One question is related to difference between protic and aprotic…

Q: Identify the atom with the following orbital-filling diagram. 1s² 2s² 2p 3s² 3p6 ↓↑ 4s UTUTUTUTUT 3d…

A: Electrons are filled in a different atomic orbital in an atom. According to the Aufbau rule, the…

Q: e. Use the below diagrams to answer the following questions. 1. Q1. For each shape identify the…

A: VSEPR theory: The structure of a molecule can be determined by using the VSEPR theory. According to…

Q: (a) CH3CO₂H H2O CH₂ ОН OH

A: Alkene react per acid to give epoxide then followed hydrolysis to give trans diol

Q: The "Like Dissolves Like" rule for covalent compounds states that [Select] solutes will dissolve in…

A: Solubility rule  As like as means polar dissolve in polar and non polar dissolve in non polar…

Q: What is the Eº for the cell: L | L2+ (aq) || T²+(aq) | T? Final answer: two decimal places; include…

A: Oxidation: It involves loss of electrons or oxidation number increases Reduction: It involves gain…

Q: A 50.0-mL sample of 0.50 M HCI is titrated with 0.50 M NaOH. What is the pH of the solution after…

A: Answer:- This question is answered by using the simple concept of calculation of pH during the…

Q: What is the pH of a 0.0025 M Ba(OH)2 solution? O 11.70 O 2.60 11.40 8.70 O2.30

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Q: What is the quantity of heat (in kJ) associated with cooling 121.1 g of water from 25.60 °C to ice…

A: we have to calculate the heat associated with cooling of water

Q: What is the K, equilibrium-constant expression for the following equilibrium? Sro(s) + H₂(g) = Sr(s)…

A: Kc is the ratio of the equilibrium concentrations of product over equilibrium concentrations of…

Q: book bus ng over 4 The following titration curve depicts the titration of a weak base with a strong…

A: Titration is a quantitative method of chemical analysis in which we determine the concentration of…

Q: (8) Calculate the Eºcell for the following electrochemical cell: Pb(s) Pb²+ ||Cu²+ Cu(s) (9)…

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Q: A What is the mass percent of potassium chloride when 9.35 grams of potassium chloride is mixed into…

A: Given : mass of KCl = 9.35 g               Mass of water = 162.98 g

Q: Determine the numbers of protons, neutrons, and electrons in each of the following species: (a)…

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Q: What is the IUPAC name of this compound?

A: This is the example of aryl halide which contains bromine and chlorine.  Aryl halides are also known…

Q: Suppose that you have 100.0 mL H₂0 (d = 1.000 g/mL) at 20.00 °C and you add to the water 55.00 g of…

A: Q = m . s . ΔT Where, Q = heat absorbed or evolved; m = mass of substance; s =specific heat of…

Q: In Problem Set #4, the equilibrium constant was calculated at 298 K for reaction: N2O4 (g) → 2 NO2…

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Q: Calculate the binding energy (in MeV) of a nuclide 192 J77 from the following information: mass of a…

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Q: Which of the acids below would have the strongest conjugate base? CH3CO2H pKa = 4.75 CICH2CO2H pKa =…

A: A conjugate base is formed when a proton is removed from an acid.  HA ---------&gt; H+ + A-  HA is…