When does a non-toxic ingredient become toxic and unsafe to be used in cosmetic and/or cosmeceutical product formulation?

Q: Match the correct response When the pH of a solution rises what happens to the followings [H3O+] A. ...

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Q: 1. CI AICI, followed by hydrolysis 2. CI AICI, 3. NH,NH2 followed by NaOH (heat) O:

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Q: Name the highlighted chemical group in each molecule. Lewis structure name of highlighted group it H...

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Q: Given: Solubility product for a series of hydroxides: BIOOH Be(OH), Tm(OH); K, =4.0 x 1010 =[BiO*][O...

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Q: How are the Arrhenius and Brønsted-Lowry definitions of acids essentially the same? Use the papercli...

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Q: Suppose a 250. mL flask is filled with 0.70 mol of H, and 0.50 mol of HCI. The following reaction be...

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Q: The change in the Gibbs energy of a certain constant-pressure process was found to fit the expressio...

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Q: Which one of the following structures (from Figure #7) is the Haworth projection of beta-D- talopyra...

A: Haworth representation of talose:

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Q: What is the correct relationship between Ka and Kb for a weak acid and its conjugate base (temperatu...

A: We know, Ka × Kb  = Kw Kw is the ionisation constant of water.

Q: number of atoms

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Q: What is the stoichiometric ration of this chemical equation? 3H2(g) + N2(g) →2NH3(g)

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Q: In your own words describe the operation of a clinical Laboratory

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Q: How many moles of calcium atoms do you have if you have 4.06 x10^21 atoms of calcium.

A:   Given : Number of atom of calcium = 4.06 x10^21   Avogadro's Number = 6.023 × 10^23   Finds :     ...

Q: Which sequence of reactions will successfully carry out the conversion of toluene to m-hydroxybenzoi...

A: -Me is electron donating group (EDG). EDG is Ortho and Para directing group.

Q: When 34.9 g of benzamide (C,H,NO) are dissolved in 500. g of a certain mystery liquid X, the freezin...

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Q: Which one of the following compounds (from Figure #5) produced the IR spectrum (from Figure #6) show...

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Q: Name the following isomer H.C CH3 2. 3. H.

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Q: Classify given in ionic, molecular, binary acid and oxyacid?

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Q: CREATE A SCHEMATIC DIAGRAM FOR THIS PROCEDURE: C. Preparation and storage of standard solutions 1....

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Q: 9. What is the normality of a solution containing 150g of HCI in a 4.5L solution? MW- H:1, Cl=35

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Q: For the reaction: CH3OHu +3 Ozg → 2 COz +4 HzOn+347 kcal 3 a. Is the reaction endothermic or exother...

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Q: 3. Which of the following alcohols could not be made selectively by hydroboration/ oxidation of an a...

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Q: The classification of the following monosaccharide is: CH2OH =0 H- HO- НО -H- CH,OH Please click her...

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Q: uogenba jeD e Buisn auepea e Joi BuiAOS Ammonia (NH3) chemically reacts with oxygen gas (O2) to prod...

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Q: Write the molecular equation for the reaction of magnesium with oxygen in the air in the presence of...

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Q: Butane and 2-methylpropane, whose space-filling models are shown, are both nonpolar and have the sam...

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Q: An impure sample of calcium carbonate with a mass of 7.95 g was reacted with 50.00 cm3 of 1.00 mol d...

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A: Concept is based on Hydrogen bonding:       As per our guideline we have to answer first question on...

Q: Which is the sronger acid CCl3CH2COOH or CCl2FCH2COOH (explain or draw lewis structures)

A: Order of acidity in between two molecules can be either differentiated based on Resonance structure ...

Q: Question 22 Match the correct response v NANO3 A. a basic salt NH4CI B. an acidic salt v NH4CIO4 C. ...

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Q: Aqueous hydrochloric acid (HC1) reacts with solid sodium hydroxide (NaOH) to produce aqueous sodium ...

A: Given, Aqueous hydrochloric acid (HCl) reacts with solid sodium hydroxide (NaOH) to produce aqueous ...

Q: What is the name of the sugar shown here? OH HO. OH OH L-xylose D-xylose D-ribulose O L-ribulose O D...

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Q: What is the total number of oxygen atoms on the right-hand side of this chemical equation? Ca(OH),(s...

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Q: 3. When a 70.5-g piece of an alloy is placed in 500 g of cold water in a calorimeter, the temperatur...

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Q: What kind of interactions could be occurring between A475 and S19? Mark all that apply.  a) Dipole-...

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Q: now what not to do as to know what to do. The following reactions all have seriou rawbacks to them. ...

A: Alkenes are compounds with atleast one carbon-carbon double bond. These generally undergo addition r...

Q: 1.6 0.7 1.4 D 0.6 1.2 Soret 0.5 0.4 0.8 COOCH 0.3 0.6 phytyl bacteriochlorophyll a 0.2 0.4 Qx 0.1 0....

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Q: Calculate the pH in the titration of 25.0 mL of 0.250 M acetic acid by sodium hydroxide after the a...

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Q: How many grams of Ca(NO3)2 can be produced by reacting excess HNO3 with 6.55 g of Ca(OH)2?

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