4. From the following data table find the average rate of reaction between 25 min to 55 minute. t (min) 5 10 20 [A] mol/L 30 0.607 0.368 0.1353 0.0498 40 0.01832 50 0.00674 60 0.00248

Q: What is the molar solubility of Pb(103)2 in 0.1295 M Pb(NO3)2? The solubility reaction is…

A: Recall the data, molar solubility of Pb(NO3)2=0.1295M Ksp of Pb(IO3)2=2.57*10-13 molar solubility of…

Q: QUESTION 8 What is the major product of the following reaction? 00. of CHCH₂ B CHCH₂ D

A:

Q: O A generic solid, X, has a molar mass of 81.6 g/mol. In a constant-pressure calorimeter, 19.5 g of…

A: According to calorimetry heat absorbed by one substance (cold body) is equal to the heat released by…

Q: H2. When the experiment was set up there was a large air bubble trapped inside the tube, how would…

A: Dalton's Law:According to the law of partial pressure that was given by Dalton, the pressure of the…

Q: For each of the following sets of reactants, write the balanced equation for the double displacement…

A: To solve this problem we have to write the balanced chemical equation of given problem .

Q: C. [H+] = 12 M * Your answer d. [H+] = 5.4 x 10^-5 M* Your answer

A:

Q: Which compound of each of the following pairs is the stronger acid/base? H3AsO3 or H3AsO4 H2SO4 or…

A: Strong acids or strong base are those acids which  are completely or nearly 100% ionized in their…

Q: 1.33g of iron(II) bromide is dissolved in 350.mLof a 14.0mMaqueous solution of silver nitrate.…

A:

Q: Calculate the [OH-] of each aqueous solution with the following [H3O+], and then identify the…

A: pH : it can define have the negative logarithm of H+ ion or H3O+ concentration. When pH > 7…

Q: + CH3 "ІН

A: The pi molecular orbitals diagram of the given cation is as below

Q: Use the following reactions for which the reaction enthalpies are given to determine the reaction…

A: Enthalpy of a reaction is the energy released or absorbed during a reaction.  If energy is released…

Q: Predict the products: i Å K+ + HO- →

A: Here we have to predict the products formed in the following given reaction.

Q: Consider the following crossed aldol condensation. Which statement explains why a single cross…

A: Given : reaction of cross aldol reaction.  For aldol reaction there should be alpha hydrogen.

Q: A solution is made by mixing 3.40 g of tea in 76.0 g of water. What is the mass percent of tea in…

A:

Q: Write equations for the half-reactions that occur at the anode and cathode for the electrolysis of…

A:

Q: Which of the following is true of charge? Choose all that apply Charges are always attracted to each…

A: Given question about characteristics of charges . Here given many characteristics about the charges…

Q: How many lone pair of electrons are on O in HCOCl?  Z of O = 8,   Cl = 17  , C =6, H =1

A:

Q: An element has 2 isotopes : The 1st isotope has the atomic mass of 154.2 amu and abundancy% of…

A: Recall the data, 1st isotope => 154.2 amu, %abundance=81.20% 2nd isotope=> 155.7 amu,…

Q: Which of the following is an effective way to complete the synthes below. O LNH, 2) H₂O* 1) HNOyH₂50…

A:

Q: A 10 ml of concentrated acetic acid was added in a sufficient quantity of water to make 350 ml of…

A: Since you have asked a question with multiple sub-parts, as per our company guidelines we are…

Q: ¿ A 1. Me3S I, NaH, THF 2. NaN3, DMF, heat 3. PCC, CH₂Cl₂ N3 N3 OH "Z" a 3 d. N3 B ? C D

A:

Q: What is the Hydronium ion concentration?

A: Concept based on the dissociation of the weak acid in the solution.

Q: A stock solution of drug G is available 2 points at 10%w/v. You need to dilute this with syrup, in…

A: A stock solution of drug G is 10% (w/v) which means  10 gm of the drug G is dissolved in 100ml of…

Q: Draw the Lewis structure (including resonance structures) for methyl azide (CH3N3).

A:

Q: 2. Rank the ligands in order of their increasing effect on Act for Cr³+. Do this by looking at the…

A:

Q: a. Calculate the pH in the titration of 50.0 mL 0.03200 M chloroacetic acid (Ka = 1.36 x 10 ¹) after…

A: Given :-  Volume of Chloroacetic acid, ClCH2COOH = 50.0 mL  Molarity of Chloroacetic acid, ClCH2COOH…

Q: 13. What is the final concentration of zinc oxide, as a percent concentration (w/w), when 15 g of…

A: First we need to find total amount of zinc-oxide in the mixture,and total weight of the mixture.…

Q: 3. For the following reactions, determine the major product(s) and the primary mechanism giving rise…

A:

Q: Diagram the pi molecular orbitals for the ion below. This drawing should be top view. + CH3…

A:

Q: To prepare a solution of NaCl, you weigh out 2.634 (+0.002) g and dissolve it in a volumetric flask…

A: Molarity = ( given mass / (molar mass * volume (mL) ) * 1000

Q: 1.80x10-5) with 0.146 M NaOH. If the weak acid and NaOH reacts in 1:1 ratio, what is the pOH of the…

A:

Q: Which compound of each of the following pairs is the STRONGER BASE? (A) (B) O Option A Option B…

A: On going from left to right along a period, the basicity of MO32- species decreses. More…

Q: 20:27 : 18. LIAIH(Ot-Bu)3 allows for only one hydride to attack a reactant, unlike LIAIH4 (LAH). For…

A: Lithium tri-tert-butoxyaluminum hydride (LTBA) is a less reactive reducing agent than lithium…

Q: A sample of nickel carbonyl, Ni(CO)4, is placed in a vessel and allowed to reach equilibrium.…

A: Given, Ni(CO)4(g)  <---> Ni(s) + 4 CO(g) Reactant                            gaseous  product…

Q: Which compound of each of the following pairs is the STRONGER BASE? * (A) (B) O Option A O Option B…

A:

Q: Find the absolute and percent relative uncertainty. a. 6.2 (10.2) -4.1 (+0.1) = ? b. 9.43 (±0.05) x…

A:

Q: Laroka decided to titrate 39.3 mL of 0.100 M HCI with 0.190 M NaOH. What is the pH of the solution…

A: pH can said as potential of hydrogen of an aqueous solution as it is used to determine the H+ ion…

Q: Calculate the pOH of the following solutions at 25 degrees Celsius.   a. [H+] = 1.0 x 10^-7 M b.…

A: pOH can be calculated by following methods 1) pOH = -log[OH-] [OH-] = (1×10-14)/[H+] 2) pOH = 14 -…

Q: Br CO₂Me A 1. Mg, THF; CO2; aq. HCI 2. H2SO4, MeOн 3. LiAIH4, THF В ОН с OMe ? D ОН E OH

A:

Q: Compound A exhibits the following H1 NMR, 13C NMR, and partial mass spectra respectively.…

A:

Q: You are going to be thrilled to know that the amino acid cysteine has the formula What mass of…

A: Solution  Correct option is A) 13.4 g

Q: H₂N Classify the amino acid depicted here in the form at physiological pH (~7.4). CH₂ A) acidic B)…

A: we need to select the correct option for the given amino acid structure

Q: Find the final concentration of BAK as a ratio strength (w/v), when 80 mL of BAK 1:500 (w/v)…

A:

Q: Choose the best reagent (A-E) for carrying out the following conversion from the list provided…

A:

Q: What is the best reason for why nitriles do not undergo overaddition with Grignard reagents? A the…

A: A question based on alkyne that is to be accomplished.

Q: A liquid has the volume  of 12.6 mL.  and density of 2.75 g/ mL. .  Calculate the mass in cg.

A: Density is equal to ratio of mass to volume

Q: f. Is there any periodicity in the maximum oxidation number for elements 11 through 17? If so,…

A: Oxidation number for an atom is the number of electrons lost or gain to achieve a stable noble gas…

Q: Ozone reacts with sulfur dioxide to form sulfur trioxide and molecular oxygen, as shown here. O3 (g)…

A: Average rate of consumption of a reactant, -dR/dt  -dR/dt = (C1 - C2)/(T1-T2) C1 - concentration at…

Q: Calculate [H₂0%), (OH-) and % jonization FOR a 79 in solution of AND₂ K: FOR H₂U₂ = 5.1 X107

A: Given the molarity of HNO2 = 0.79 M  HNO2(aq) is a weak monoprotic acid with Ka = 5.1*10-4

Q: QUESTION 48 In the mechanism of an acid catalyzed nucleophilic substitution of an alcohol with a…

A: A nucleophile can be either a neutral of a negatively charged species that has affinity for the…