1.72. Calculate the average grade using equation 1.32 if the scores on a 10-point quiz are 5, 5, 5, 5, 10, 10, and 10.

Q: Please answer the following study question: Please describe and compare three types of batteries…

A: A battery is a device that stores and provides electrical energy through a chemical reaction.

Q: Consider the following reaction: PC15 (9) PC13 (9) + Cl₂ (9) If 0.00686 moles of PC15 (g), 0.438…

A: Given -> Moles of PCl5 = 0.00686 mole  Moles of PCl3 = 0.438 mole  Moles of Cl2 = 0.462 mole…

Q: Draw a reasonable mechanism for this reaction: O: H Но O -H -ÖH -H -ÖH :O: H+ H HÖ- H -он -H -ӧн…

A: The 5th hydroxy group attacks the carbonyl group of the given fisher projection and followed by…

Q: The mass unit associated with density is usually grams. If the volume (in mL or cm3) is multiplied…

A:

Q: Consider the combustion reaction of glycine at standard condition and 298 K: NH₂CH₂COOH (s) + O₂ (g)…

A: This problem is based on First Law of Thermodynamics. The solution is given below.

Q: What is the elimination product for the reaction on #19  guess that is what it is  looking for thank…

A: given : reaction and mechanism

Q: The following endothermic reaction is allowed to reach equilibrium. NH4HS(s) NH3(g) + H₂S(g) a)…

A:

Q: B OH A OH NaH PBr3 C D F (a) Name the functional groups in compounds A, B and F, including, if…

A:

Q: Identify the atomic and/or hybridized orbitals in the C-O sigma bond in propanal. H3C C H₂ O A. (2…

A: Answer: Hybridized orbitals of an atom always forms sigma bond, so in propanal we have to find out…

Q: how ton lliw anoitoss1 s2sri to smoz Jedi bnim ni go 8. Draw the second-order resonance structures…

A: 8) The resonance structures differ in the position of multiple bonds and non bonding electron. The…

Q: Q/ The intensity of the incident light radiation is reduced by 20% when it passes through a 1 cm…

A: Initial path length = 1 cm Final path length = 5 cm Using the absorbance and path length…

Q: Find the energies (E+) and forms of the o orbitals (4) in the HCI molecule using ß=-1.0 eV and S=0.…

A: Bonding molecular orbitals are formed by the combination of two atomic orbitals to produce a lower…

Q: 4. COOH COOH

A: The given reaction is Diels-Alder reaction.this is also called (4+2) cycloaddition reaction.

Q: Which one is correct: a) If the enthalpy of combustion is reported as positive, it always means…

A: Enthalpy is a thermodynamic quantity that measures the total energy of a system, including both…

Q: How many total atoms are in 0.180 g of P₂0,? total atoms: 7.64 X1020 Incorrect

A: Given: mass of P2O5 = 0.180 g Total number of atoms = ?

Q: Use average bond enthalpy values to calculate ΔrH for the following reaction: 2NH3 + 3Cl2 → N2 +…

A: Since, The standard enthalpy of the formation is defined as change of enthalpy of 1 mol of the…

Q: H-Br Br H 1.2 Br 1,4 H

A: A 1,4-addition is also called a conjugate addition. Here the nucleophile adds to the carbon which is…

Q: The rate constant for AB is 1.70 x 10-2 L mol-1 s-1 at 24 °C and 2.01 x 10-2 L mol-1 s-1 at 37 °C.…

A:

Q: 3. Show the mechanism for the major product that will be formed in this reaction. vilider2 lesibel…

A: This is the reaction of alkylation on bromobenzene.

Q: Difluoroethene has two isomers with very different properties despite having the same chemical…

A: Given, Enthalpy of vaporization (∆Hvap) = 21.4 kJ/mol = 21400 J/mol Note: vapour pressure of isomer…

Q: In a fluorescence resonance energy transfer experiment... a) Minor conformational changes can induce…

A: FRET (Förster Resonance Energy Transfer) is a phenomenon in which energy is transferred from one…

Q: a. b. C. CI NO₂ NH₂ HNO3, H₂SO4 Br2, FeBr3 SO3, H₂SO4

A:

Q: B LOH A OH NaH PBr3 C D F (a) Name the functional groups in compounds A, B and F, including, if…

A: A functional group is a specific arrangement of atoms within a molecule that is responsible for the…

Q: Which of the following is the formula for an alkene? a. C3H7 b. C7H14 c. C5H12 d. C5H8 e. C6H6

A: Check the general formula for alkene and plug in the value of carbon in the formula to check the…

Q: c) d) 6. b) a) Which is likely to be on top, the aqueous or the organic layer*? "hint: which is more…

A:

Q: For the image attached make a graph of the average volume and density vs year. Be sure to label the…

A: To plot the graph of the average volume and density vs year . Also, to label the axis

Q: Indicate whether either an increase or a decrease of pressure obtained by changing the volume would…

A:

Q: Please answer the following study questions, thanks! a) Explain what makes a molecule organic. How…

A: We will discuss above question one by one.

Q: An aqueous solution containing 36.6 g  of an unknown molecular (non-electrolyte) compound in 148.7 g…

A:

Q: solution A sodium sulfide silver nitrate nickel(II) acetate solution B copper(II) chloride potassium…

A: Some combinations of ionic compounds will not soluble in water. If the mixture of the solutions…

Q: How much heat (in kJ) is evolved in converting 2.00 molmol of steam at 134 ∘C to ice at -41 ∘C? The…

A: Given data, Moles of steam (H2O) = 2.00 mol Initial temperature = 134oC Final temperature = -41oC…

Q: Calculate deltaU when 1.00 mole of H20 goes from 25.0 degrees C and 1.00 atm to 30.0 degrees C and…

A: Internal energy is the difference between the initial and final internal energy of a system. It is a…

Q: 0.700 mol Na₂SO STARTING AMOUNT 0.700 mol Na₂SO ADD FACTOR x( ) 0.700 0.0833 mL Convert the…

A: Conversion factor - When we have to convert one unit to another unit we must use conversion factor.…

Q: How could 250 mL of a 4.0 M solution of hydrochloric acid (HCl) be prepared from a 10.0 M solution…

A: The formula of dilution is  C1V1 = C2V2 Where, C1 and C2 are the concentrations of stock and diluted…

Q: 6. Consider the chemical equation: CO2 + H₂O → C6H12O6 + 02 To balance this equation, place…

A: Balanced chemical equation: A balanced chemical equation is one in which the number of atoms on the…

Q: 0.30h+0.50(15-h)=6.30

A: Given : equation

Q: What is ΔrH° for the following chemical reaction? CS2(g) + 2H2O(l) → CO2(g) + 2H2S(g) Express your…

A:

Q: A solution of CaCl₂ in water forms a mixture that is 35.0% calcium chloride by mass. If the total…

A: According to the question, The solution of CaCl2 = 35.0 % by mass The total mass of the…

Q: 1) For each structure below, write the molecular formula and then determine what the expected m/z…

A: Molecular formula have total each type of atoms present. As for example, C8H18 have eight C element…

Q: Balance the chemical reaction.

A: According to the law of mass conservation, the atoms are neither created nor destroyed during the…

Q: upper atmosphere, where chlorine atoms can be generated by the reaction CCl2F2 --> CF2Cl + Cl…

A:

Q: The activation energy Ea for a particular reaction is 50.0 kJ/mol. How much faster is the reaction…

A:

Q: How many atoms of Ca are in 2.00 mol of Ca? Show your work. Be sure each step is written out…

A:

Q: Which structure is the Markovnikov product for this reaction? CH3 + HCI CH3 HCI CH3 CI CH3 CI .CI…

A: According to Markovnikov rule, when HCl adds to alkene, Cl adds to the double bonded carbon atom…

Q: When a metal was exposed to photons at a frequency of 1.13×1015 s-1,1.13×1015 s-1, electrons were…

A: Answer: When photons are bombarded on the metal surface they collide with electrons and if that…

Q: Draw the product that could be formed when 2,3- dimethylbuta-1,3-diene reacts with…

A: •As Given reaction is "Diels elder reaction". •In diels elder reaction diene and dinophile react…

Q: A chemical engineer is studying the two reactions shown in the table below. In each case, she fills…

A: A question based on equilibrium concept. Two numerical problems are prescribed that are to be…

Q: Consider the reaction described by the chemical equation shown. AHin = -44.2 kJ C₂H₂(g) + H₂O(l) →…

A: The given balanced chemical reaction is  C2H4 (g) + H2O (l) → C2H5OH (l) ,       ∆H°rxn= -44.2 KJ…

Q: Potassium perchlorate (KCIO4) has a lattice energy of -599 kJ/mol and a heat of hydration of -548…

A: Answer: When a salt is dissolved in water energy is absorbed during the break down of salt into its…

Q: Propose a sequence of reactions that efficiently converts the given starting material(s) to the…

A: In this question, we will convert the starting material terminal alkene to the product which is…