165, How many protons and neutrons are in an atom of Number of protons=0 Number of neutrons = [ Ho ? X 5

Q: Problem 7.3 Give the structure corresponding to each name. a. 3-chloro-2-methylhexane b.…

A: Structures of compound can be drawn by following IUPAC nomenclature rules.

Q: At a constant temperature and pressure, the reaction of 150 mL of N₂ gas with 150 mL of H₂ gas via…

A: Given data :

Q: Which of the following atoms has the smallest first ionization energy? O AI O si OP Os

A: The ionization energy of an element increases across the period because the number of electrons in…

Q: 0 个 o A AX TETET h HH CHLH L…

A:

Q: turer may prepare from each I g of drug. 20. How much of a 70% w/v sorbitol syrup can be prepared…

A:

Q: Give the polarity, melting point, boiling point, solubility, and state at room temperature of the…

A: A molecule is polar when it is unsymmetric and has nonpolar bonds.  The polarity of polar molecules…

Q: Draw and upload a separation scheme for the isolation of benzoic acid from the reaction mixture.…

A: The above reaction is a solvent solvent extraction method

Q: On the planet Kracalac, in another solar system, argon has three naturally occurring isotopes as…

A:

Q: When mixing 40 mg of a medication in 100 ml total solution, the resulting strength

A: When mixing 40 mg of a medication in 100 ml total solution, the resulting strength is ..?

Q: H.C Which would be the best way to make the compound above? CH,CH,CH, A В H.C с D Н.С Ос OD Ов О А…

A:

Q: 1.37 moles of O2 were used to combust pentane (C5H12).  The measured enthalpy of combustion from…

A:

Q: C+02 CO₂(g) H₂ (g)+1/2 O₂(g) →H2O(1) C14H10(s)+33/2 O₂(g) →14CO₂(g)+5H₂O(1) Using Hess's law combine…

A:

Q: Use the standard enthalpies listed in Appendix G of your textbook to determine the enthalpy of…

A:

Q: Chlorine and bromine react in the dark with alkenes. The reaction shown below affords a single major…

A:

Q: Is the molecule shown chiral? Is it a meso compound? CI

A: Given that, 1-chlorobicyclo[2,2,1]heptane. We have to tell whether the given compound is a chiral or…

Q: 19. A blood volume expansion solution con- tains 6% (w/v) of hetastarch and 0.9% (w/v) of sodium…

A:

Q: 35. How many grams of sucrose must be added to 475 mL of water to make a 65% (w/w) solution? 35.…

A:

Q: Which of the following terms best describes the pair of compounds shown: enantiomers, diastereomers,…

A:

Q: d. If 2500. kJ of heat are released by the reaction, how grams of C12H26 must have consumed/used?…

A: The given reaction is - 2C12H26 (l) + 37O2 (g)→24CO2 (g) +26H2O (l)                ∆H=-15,026 kJ…

Q: Given the following values for the heats of formation, what is the number of moles of ethane (C₂H6,…

A:

Q: Determine if the following linear chain molecules are enantiomers, diastereomers, meso, the same…

A:

Q: H (a) Assign the C (lowercase Roman numerals - i, ii, iii, etc.) and H (lowercase Roman letters a,…

A: C13 NMR determination:  In this molecule 4 types of C-atoms are present. They are designated by i,…

Q: Based on the balanced reaction: 3A 4B+C K = 0.407 It is found that when using starting…

A:

Q: III. Fill in the Box. Complete the table below by determining the atomic number, atomic mass, number…

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Q: Question 20 Which one of these is most likely to be soluble in water? a) acetophenone b)…

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Q: What is the actual concentration of the molecular form of HF in a 1.0 M HF solution given that Ka of…

A:

Q: 4. If 100 mL of a pharmaceutical prepara- tion contains 20 μL of a 50% w/v solution of benzalkonium…

A: Here we are required to find the percentage strength of benzalkonium chloride.

Q: MISSED THIS? Watch KCV Mixtun of Gases and Parhet Pressure (WE Total Pressure and Bartal Pressures…

A: Given, Volume of flask = 295 mL

Q: The preparations of two aqueous solutions are described in the table below. For each solution, write…

A: ♦ 1 mol of KOH is added to 1.0 L of a 0.9 M HF solution .♦ 0.46 mol of KOH is added to 1.0 L of a…

Q: Q1. How much caffeine is required to make a 5 mL 10 mM stock solution?

A: Given : volume = 5 mL                Molarity = 10 mM

Q: What is the pH of a 0.030 M solution of oxalic acid? Ka for oxalic acid is 5.9 x 10-2.

A: pH of weak acid can be calculated by considering its Ka value.

Q: Termination of G protein-coupled receptor signaling involves: A) Activation of phosphodiesterases B)…

A: Signalling of G-protein coupled receptor (GPCR) is terminated by GTPase activity of of its G-alpha…

Q: The synthesis of maleic acid anhydride (C₄H₂O₃) can be accomplished by reacting benzene (C₆H₆) and…

A: Balanced chemical equation   2 C₆H₆(l) + 9 O₂(g) → 2 C₄H₂O₃(s) + 4 CO₂(g) + 4 H₂O(g)

Q: a) Draw the molecular orbital diagram for HF. Be sure to clearly label orbital symmetries and…

A: a) The M.O of HF can be constructed by combining the atomic orbitals(A.O) of H and F. H has only one…

Q: name the alkenes

A: According to IUPAC nomenclature:  Select the longest continuous chain of carbon atom containing…

Q: Which plot indicates that the reaction is first order? Он VIA In [A] Od (4) d) ЩА (sec) Ки о Ко

A:

Q: What is the pH of a 0.404 M C6H5CO₂H M solution if the K₂ of C6H5CO₂H is 6.5 x 10-5? Your Answer:…

A: Answer is given below

Q: Q3. Make 50, 25, and 10 µM solutions using the 500 µM stock solution. a. How much of a 500 µM…

A: To calculate the volume of stock solution required to make the diluted solution of given volume, we…

Q: Identify the correct Lewis electron-dot symbol for the following atoms: Ba O O O Kr -Ba: O -Ba- O…

A:

Q: The ideal gas law (PV=nRT) describes the relationship among pressure P. volume V, temperature T, and…

A: Temperature and pressure are linearly related, and if the temperature is on the kelvin scale, then P…

Q: Classify each chemical reaction: 2K (s) + 0₂ (8) 2KO (s) reaction 2CH₂CH₂(g) + 70₂(g) 4CO₂(g) +…

A: Combination reaction: The reaction in which two or more reactants combine to form single product is…

Q: true or false The heat of fusion of Au at constant pressure is approximately equal to the heat of…

A: This question is related to the thermodynamics. The given statement is in regard to the relation…

Q: The common name of this compound is: H₂C- CHS

A:

Q: How many milliliters of 8.13 M hydroiodic acid solution should be used to prepare 3.00 L of 0.800 M…

A:

Q: Identify the bond(s) broken and the bond(s) formed in the reaction shown. Select all that apply. Br…

A: For an exothermic reaction, ∆H° = negative sign  For an endothermic reaction, ∆H° = positive sign…

Q: The combustion of gasoline (Cg H18) leads to a change in internal energy, AU of 5404 kJmol-1 at…

A: We know the relation between delta U and delta H, from this relation we calculate the value of delta…

Q: 6. Determine the Km and Vmax from the LB plot for enzyme assays in buffer 1 and buffer 2. Buffer 1…

A: To determine the value of Km and Vmax from the given Lineweaver-Burk plot for buffer-1 and buffer 2.…

Q: 51. Express each of the following as a ratio strength: (a) 0.125% (b) 2.5% (c) 0.80% (d) 0.6% (e)…

A: The ratio strength is the ratio of amount of the solution to that of the amount of solution. Ratio…

Q: Draw a resonance structure that places a pi bond in a different position. Include all lone pairs in…

A: Resonance structure: If the Lewis structure of a molecule or ion cannot explain by a single…

Q: The recommended daily allowance (RDA) of calcium is 1.2 g. Calcium carbonate contains 12.0% calcium…

A:

Atoms and Molecules

An atom is the smallest unit of an element that possesses all the properties of that particular element. Molecules are the smallest unit of a substance that possess all the properties of that particular substance.