What is the chemistry involved in sunscreens? What is the process of making sunscreens? Chemicals use in spf? What/why are chemicals bad in SPF Step by step chemistry process of spf

Q: Help balance.

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A: Let's analyze each change:An endothermic chemical reaction between two liquids results in gaseous…

Q: Provide the major products, including steps

A: Step 1: Step 2: Step 3: Step 4:

Q: Question 25 Predict the FINAL (?) product (or a mixture of products) for the following synthetic…

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Q: 3. Provide a mechanism for Boc-protection. H2N. Дон Вос20 R R ΟΗ

A: Step 1   The amine attacks a carbonyl site on di-tert-butyl dicarbonate (Boc2O) resulting in…

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A: The two compounds in the image are constitutional (structural) isomers. So the answer is option…

Q: Based on their neutron to proton ratio, what type of nuclear decay would you expect for each of the…

A: We can use the concept of the belt of stability to predict the type of nuclear decay an isotope…

Q: Please answer chem

A: Step 1:Alkene produces epoxide (cyclic ether) when reacts with m-CPBA (meta-chloroperoxybenzoic…

Q: Question 12 Predict the FINAL (?) product (or a mixture of products) for the following synthetic…

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Q: Draw the starting structure that would yield this product under these conditions. N N H > Select to…

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Q: 1. Compare ... M 2. Standard ... 3. AS surroundi... 4. AG° = AH°... 5. AG: Pre... 1req 6. AG:…

A: Step 1:First, we need to find the standard free energy change of the reaction, ΔG°. We can do this…

Q: A tank contains 330 gallons of oil. This is the equivalent of 4.83×1010 J of energy. How many kcal…

A: Approach to solving the question:Please see attached photos for detailed solutions. Thank you.…

Q: a. Draw structures and give sum formulae or names, whichever is appropriate, of the following…

A: (i) [Ni(OH₂)₅(NO₂)]Br - Pentaaquanitritonickel(II) bromideNaming:"Pentaaqua": This indicates the…

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A: In conclusion, by analyzing the formal charges and octet rule adherence, we can determine the…

Q: Question 8 Please predict the product for each of the following reactions. Make sure to clearly…

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Q: Calculate the solubility (in M) of O2 in the blood of a scuba diver at a depth of 100 feet, where…

A: We can calculate the solubility using the the formula for Henry's Law:Sg​=kPg​Where:Sg​ is the…

Q: Question 2 Which set of Newman projections represents correct the most stable and the least stable…

A: Because it's most stable conformer is arranged in anti form in which both CH3 and C2H5 are opposite…

Q: Determine whether the following are aromatic, nonaromatic or antiaromatic.

A: Thank you.

Q: find the mechanism step by step

A: Step 1: Step 2: Step 3: Step 4:

Q: (a) A voltaic cell is constructed as follows: Zn | Zn2+ | H+ | H2   The half-cell reactions are:…

A: Step 1: Step 2: Step 3: Step 4:

Q: The corrected cell potential for the following galvanic cell was determined to be (1.62x10^0) V.…

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Q: What is the solubility of SrCO₃ in water? (Ksp of SrCO₃ is 5.6 × 10⁻¹⁰)

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Q: 16.36 For the reaction 2A+B+C+D+ 2E, data for a run with [A], 800 mmol/L and [B] = 2.00 mmol/L are…

A: Step 1:Step 2: Step 3: Step 4:

Q: Based on the reaction and its DH° CI -OH rxn, why is this reaction exothermic? OH AH-110.6 kJ/mole…

A: This statement implies that the products have weaker bonds than the reactants, resulting in the loss…

Q: The following shows 1.00L bulbs connected by valves. Each bulb contains neon gas with amounts…

A: To solve this problem, we'll use the ideal gas law, which states:PV=nRTWhere:-  P  is the pressure…

Q: Help me calculate.

A: Step 1:Step 2: Step 3: Step 4:

Q: Draw the structure(s) of the major organic product(s), including counterions, of the following…

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Q: Name: Formula of a Hydrate Lab Chemistry Date: Per._ 6. The following data were obtained when a…

A: 6)Given mass of empty test tube is 18.42g.Mass of test tube and hydrate(before heating) is…

Q: Can you write down retrosynthesis ( RSA)and show pilar   dont provide hnadwriting solution...

A: Step 1:  Bromobenzene's Retrosynthesis : * Target Molecule : C6H5Br (bromobenzene). * Functional…

Q: None

A: Certainly, let's draw the structure of (2R, 5R) - 2 - bromo-5-methylheptanal:1. **Base Chain:** The…

Q: Complete solutions need all solve

A: The preparation of standard solutions through the direct method involves calculating the required…

Q: A gas occupies 15.5 L at 0°C and 879 torr. What temperature would be required to increase the…

A: Given:Volume = 15.5LInitial temperature T1 = 0°CInitial pressure P1 = 879 torrFinal pressure P2 =…

Q: Show work, thank you!

A: Step 1: The cell potential for the given cell as per the data given is calculated as

Q: RCO3H 1) Mg Br 2) CO₂ b) 3) H c) CO₂H 1) LiAlH4 2) H3O+ d) SOCI2 CO₂H (CH3)2CuLi CI 1) LIAI(OR)H, f)…

A: This chemistry problem which asks you to find the equilibrium constant (Kc) for the following…

Q: Organic Chemistry problem. Please help. Please provide a reasonable product structure for the…

A: Step 1: Information:  This is the example of Alpha substituted reaction going to carbanion or…

Q: Propose an efficient synthesis for the following transformation: ΕΙΟ OEt The transformation above…

A: Step 1: Step 2: Step 3: Step 4:

Q: Consider the following system at equilibrium where K = 1.80×102 and AH° = 10.4 kJ/mol at 698 K. 2 HI…

A: First Question: 1.) TRUE. The enthalpy change (ΔH) of the reaction is positive, which indicates that…

Q: Decide whether each of the molecules in the table below is stable, in the exact form in which it is…

A: For the last two compounds, they are enol forms of their ketones. But at lower pH the keto form…

Q: Draw a Newman projection of the anti conformation of 1,2-dichloroethane.

A: Approach to solving the question: Detailed explanation: Examples: Key references:

Q: Most common amines (RNH2) exhibit pKa values between 35 and 45. R represents the rest of the…

A: The presence of a cyano group (-CN) introduces significant electron withdrawal due to its strong…

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A: An electron's state is described by four quantum numbers:Principal quantum number (n): Defines the…

Q: What is the chemistry of how spf blocks uv rays from the sun Please please please answer as fast as…

A: Sunscreen works by shielding the skin from the harmful effects of ultraviolet (UV) radiation, which…

Q: Organic Chemistry problem. Please help solve. Provide reasonable product structure for reaction…

A: This reaction is cyanohydrin formation.In this reaction, the cyano adds to the ketone also forming…

Q: Outline the steps you would take to conduct a thorough risk assessment of chemical hazards in the…

A: Analyzing the approach to conducting a thorough risk assessment of chemical hazards in the workplace…

Q: To preview image click here Give a curved arrow pushing mechanism for the following reaction,…

A: Step 1:Carboxylic Acids.1) Draw the general structure of a carboxylic acid Step 2:2) T/F -…

Q: Please Write Step by Step Answer Otherwise i give DISLIKE !!

A: Step 1: The rules of IUPAC nomenclature are(i) Longest chain rule: The chain containing the…

Q: Predict the products of the following reactions. Show stereochemistry when applicable.

A: The second reaction, the addition may occur via syn or anti pathway. So both cases are possible

Q: Give the major organic product or missing starting material for the following reactions. Do…

A: Step 1: Step 2: Step 3: Step 4:

Q: Predict the products of the following reactions. Show stereochemistry when applicable.

A: When bromine water (aqueous solution of bromine, Br2) reacts with an alkene, a bromine addition…

Q: Name type of bond a) X (Imks) ...Ch.volent..bond........ 3. b) Y Dolive...bond........ (1mks) When…

A: 3)a)Explanation of the Observation:When crystals of hydrated iron (II) sulfate, FeSO4.7H2O, are left…