13. What is the final concentration of zinc oxide, as a percent concentration (w/w), when 15 g of zinc  oxide powder, 40 g of zinc oxide 20 % (w/w) paste, 50 g of zinc oxide 40 % (w/w) ointment, and 75 g  of pramoxine ointment are mixed together?

Q: Review Topics] Select the most acidic hydrogen in the molecule below. [References) . Gray C; white =…

A:

Q: 3. Dé el producto principal para las siguientes reacciones a) b) нос COCH, CH₂CHCOCH, .COH A

A: These reaction are followed by 4n+2 cycloadditon reaction in which a six membered transition state…

Q: Explain crystalline solid.

A: We need to explain crystalline solid substance.

Q: Write the common name for each of the following. Part A CH3 HNCH2CH3 Spell out the full name of the…

A: The common name of amines is by writing the alkyl group or groups attached to the nitrogen atom in…

Q: Suppose 2.61g of zinc chloride is dissolved in 150.mL of a 70.0mM aqueous solution of potassium…

A:

Q: Use this table to answer the following questions below: Before reaction Before reaction Theoretical…

A: Given reaction: CH3OH + CO → CH3COOH We have to find whether the reaction is balanced or not. Also,…

Q: The balanced equation for the reaction of metallic iron with O₂ gas to produce ir oxide is shown…

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: In the reaction, 2 NaN, (s) 2 Na(s) + 3 N₂(g) ->> how many liters of nitrogen, N₂, measured at STP,…

A:

Q: Balance the following equation and then solve the question below. e2O3 +SO3 → Fe2(SO4)3 alculate the…

A:

Q: 5. 6. 7. What is an activated complex? an unstable arrangement of atoms formed as reactant bonds are…

A: Dear student , since you have posted multiple questions we solve first three questions for…

Q: Me Me Me OH A Me Me B 1. MeMgBr (xs), THF; aq. HCI 2. TSCI, pyridine 3. KOtBu, tBuOH Me Me Me O C Me…

A:

Q: CHEMWORK Choose pairs in which the specles listed first is the conjugate base of the species listed…

A: Acid and Base: Acid: acids are proton (H+) donor. Base: bases are proton (H+) acceptor. Conjugate…

Q: A vessel contains 2.00 moles of an ideal gas at a standard temp and pressure od (0C and 1atm). if…

A: Using the relationship of pressure with temperature, the change in pressure can be calculated with…

Q: Consider this reaction: 2HI (g) → H₂(g) + 1₂ (g) At a certain temperature it obeys this rate law. =…

A:

Q: HạBO, SF, Xeo, H-O-B-O-H I :0: .. :F :0: :0- IH H 1 :F: :0-8-Ö: .. - Xe — 0: Yes, it's a reasonable…

A:

Q: Draw structures for the two organic products formed in the following reaction. Upload a jpg image of…

A: LiAlH4 is strong reducing agent. It is less selective but more reactive reducing agent. LiAlH4 is…

Q: Predict the product formed in the nucleophilic aromatic substitution reaction between…

A:

Q: Example: cis-C₂H₂Cl2 Consider the highlighted bond. If the bond is polar, click on the more…

A: The bonds between two atoms may be consider as polar bonds and non-polar bonds;  The non-polar bonds…

Q: The equilibrium constant, K, for the following reaction is 1.29x102 at 600 K. COCI₂(g) CO(g) +…

A: Given reaction is :  COCl2 (g) <------------> CO (g) + Cl2 (g)  Value of equilibrium constant…

Q: If a can of diet soda contains 0.185 28.1 how many N, O, C, and H atoms are present in this amount

A:

Q: Match the unit abbreviation with the quantity being measured cm mL g/mL C bb mol °℃ atm [Choose]…

A:

Q: How do you separate kerosene and alcohol from ammonia

A: Kerosine is a long chain alkane hydrocarbon, alcohol is R-OH, and ammonia is NH3.

Q: Suppose the stockroom made a mistake and gave you a mixture of potassium chlorate and potassium…

A: We are to discuss if mass percent of oxygen is smaller or larger in mixture of potassium chlorate…

Q: Was s your average experimental mass percent of oxygen in potassium chlorate higher or lower than…

A: Based on the given data, the experimental mass is higher than the theoretical mass.

Q: 1. Acetone is a well-known industrial solvent with a molecular formula of: C3H60. Calculate for its…

A: Given, the molecular formula of acetone = C3H6O We have to find the formula weight of acetone and…

Q: CH3CO2(CH2)3CH3 = convert to complete structu

A: Condensed structural formula is a more compact way of drawing the structural formula of a molecule.…

Q: Calculate the [OH] in 0.2110 M H3PO4. The stepwise dissociation constants are Ka1 = 7.50e-3 and Ka2…

A:

Q: When a particle of mass 9.1 x 10-28 g in certain 1-D box goes from the n = 5 level to the n=2 level,…

A:

Q: Consider the of a diatomic molecule. Intensity 0 B. 2400 rotational-vibrational spectrum a. 18 cm-1…

A: In rotational vibrational spectrum of diatomic molecule,  There is three type of spectrum line that…

Q: Show your calculations clearly. Suppose you are provided with a 36.55 g sample of potassium…

A:

Q: Calculations for the Specidfic Heat for an Unknown Metal   Trial 1 Trial 2 Mass of unknown metal(g)…

A: Heat lost by metal is equal to the heat gained by water in the calorimeter as total energy remains…

Q: What is the value of Ksp in water, if 7.25e-6 M of A3B2 dissolves according to the reaction below?…

A:

Q: During the titration of a polyprotic acid, neutralization of its ionizable protons happens...…

A: Neutralization is a chemical reaction in which acid and base react with each other.

Q: If a physician prescribed 4 grams of aspirin to be taken by a patient daily, about how many 5 grain…

A: Mass of asprin in each tablet = 5 grain  Mass of asprin required = 4 g

Q: What volume of purified water, in milliliters, do you need to add to 5 mL promethazine 2 mg/mL…

A:

Q: Consider a hypothetical chemical reaction: A+B → C+D (In this equation A, B, C and D stand for some…

A:

Q: Acids and bases are described through several theories (Arrhenius and Bronsted-Lowry theories). The…

A: The construction and revising of these theories demonstrate the development of science.   Other…

Q: Example: trans-C₂H₂Cl₂ Consider the highlighted bond. If the bond is polar, click on the more…

A: Relationship between polarity and electronegativity difference (∆EN): Polar character of the bond…

Q: Which numbers have four (4) significant figures? Choose all that apply. 3.925 x 1023 4.5 x 103…

A: Significant digit : Any combination of digit which starts from the far most left digit which is non…

Q: When the following equation is balanced properly under basic conditions, what are the coefficients…

A: we have to balance the given reaction and fill the boxes

Q: The following data were obtained for the reaction represented by the equation 2 SO₂(g) + O₂(g) →…

A: In the question, we have a concentration of SO2 at 0 sec (0.1000 mol/L) and at 15 sec (0.0053 mol/L)…

Q: Provide the name for CoN. Cobalt nitrate Cobalt nitride Carbon oxygen nitride Cobalt (III) nitride

A: The name of CoN is Cobalt nitrate.

Q: = What is the vapor pressure of Cu at 2633.8 K if its heat of vaporization and boiling point are…

A: We will use the clausius-clapeyron equation.

Q: (B) Energy level Diagram Sr Atom S-2 ion Sn Atom Cu+2 ion

A: As you need help in energy level diagram so I am mentioning energy level diagram here one by one.

Q: (25) Consider the following equilibrium that currently has a purple color: Heat + Co(H₂O)6 2+ +4 CI…

A: We have to find the condition that will cause the equilibrium mixture to become pink.

Q: Question 9 Which ion has +3 charge, 28 electrons, and an atomic mass of 70 amu? A 7231 Ga+3 B 7132…

A: Recall the given data of the following, charge=+3 no. of electron=28 atomic mass = 70 amu

Q: Use the standard heats of formation (data table) to determine the change in enthalpy for the…

A:

Q: Sodium butanoate is the conjugate base of __________.     CH3CH2CO2H     (CH3)2CH2CH2CO2H…

A: Introduction :-  Conjugate acid-base pair :-              The chemical species whose formulae differ…

Q: Wt of precipitate (Silver chloride) MW of silver nitrate MW of silver chloride Meg silver nitrate…

A: Given : Wt of precipitate (Silver chloride) = 0.750g Normality of silver nitrate = 0.105N  MW of…

Analytical Tools

Analytical tools or analysis tools help one to get into a conclusion or results from the data collected. Analytical tools can be applied for simple data sets and also in the case of big data analytics.