443 471 502 360 Wavelength (nm) Lycopene Amax is 502 nm True False Absorbance

Q: A. What is the principle behind the assay?

A:

Q: Q6\ How to prepare(10 MI of 0.2 N of NaoH, m. wt NaOH=40

A: The NaOH is required = 0.08 g to prepare 0.2 N solution.

Q: A reaction is second order with respect to reactant "A" and has a rate constant of 2.97 x 10-2 M-1s-...

A:

Q: g oxidized? OX

A:

Q: True or False. Write the word “reducing” if the statement is correct, otherwise write “non-reducing”...

A:

Q: CH,CH, 4. Which of the following pure compounds can exhibit hydrogen bonding between molecules? CH;C...

A: We know the hydrogen bond exist between the Hydrogen and the electronegative atoms ( F, N, O). The a...

Q: [H+]

A:

Q: a. Caffeine absorbs light along the visible region of the electromagnetic spectrum.   True  False

A: (a) Caffeine absorbs radiation with a wavelength around 260nm. answer: false  

Q: a 165lb man was found to contain 3.27mg of cobalt (Co). how many atoms of cobalt is this?

A:

Q: Calculate the molar solubility of calcium phosphate Ca3(PO4)2 Ksp=2.0×10-29 when dissolved in a 0.25...

A: common ion effect...

Q: A chemist prepares a solution of silver(I) nitrate (AGNO,) by measuring out 245. µmol of silver(I) n...

A: Concentration in terms of Micromole per litre... 

Q: A solution is made by mixing 45.0 mL of ethanol, C̟H,0, and 55.0 mL of water. ASsuming ideal behavio...

A: Volume of ethanol = 45 mL Density of ethanol = 0.789 g/mL     Mass of ethanol = Volume * Density    ...

Q: Consider the following reaction: 2CuCl2 (s) --> 2CuCl (s) + Cl2 (g) 13.44 g of CuCl2 (mol. wt. 134.4...

A:

Q: For the reaction H2CO3 + H2O ↔ H3O+ + HCO3-, H3O+ is the conjugate base.

A: Conjugate acid and base pair-  The pair of substance which can be formed one another by the  gain or...

Q: mass

A:

Q: Given the table of bond dissociation energies above (in kJ/mol), estimate the energy change for the ...

A:

Q: Determine the type (I = ionic, M = molecular/covalent, binary acid = BA, oxyacid = OA) and name or g...

A: Covalent compound can be defined as the compound which is formed from the covalent bond, Covalent bo...

Q: 1 mole of CO, gas in a container has a pressure of 1 atm. Ar gas is added to the container such that...

A:

Q: III. Problem solving. Show your computations. Answer questions briefly. A 50.0 ml juice extract is c...

A: We are given  A 50.0 mL juice extract is colorimetrically assayed using Nelson's test. One millilite...

Q: the following reaction go through an SNl or Sn2 mechanism, both, or not proceed as written? Explain ...

A:

Q: 1-pentanol + HBr -> 1-bromopentane Is this substitution reaction reversible? In other words, would ...

A: In a nucleophilic substitution reaction, a nucleophile substitutes a leaving group. 

Q: A sample of meat scrap weighing 2.000 g is digested with concentrated sulfuric acid and a catalyst. ...

A: The answer is given below

Q: Consider the reaction described by the chemical equation shown. C,H,(g) + H,O(l) C,H,OH(1) AHxn = -4...

A:

Q: Ibuprofen is    A. the same acidity as potassium hydrogen phthalate  B. less acidic than phenolphth...

A:

Q: 12 Y401 0.4 02 06 12 14 How is the heat transfer graph shown on a diagram of the rate of disappearan...

A: A question based on kinetics of reactions in solutions that is to be accomplished.

Q: Find the pH of a solution at 25°C in which [OH"] = 2.5 x 10-4 M. %3D

A: Given :- [OH-] at 25°C = 2.5 × 10-4 M  To calculate :- pH of solution 

Q: Sodium hydrogen carbonate (NAHCO,), also known as sodium bicarbonate or "baking soda", can be used t...

A:

Q: How many joules of heat are required to convert 6.56 moles of N2 gas at 252.24K to liquid at its boi...

A: Boiling point is the temperature at which there exists an equilibrium between liquid and gaseous pha...

Q: c. Given the three (3) molecules, how are these species related?

A:

Q: g age Rest reduction potentials.

A:

Q: A rock is 6.5% by mass fayalite (Fe2SiO4), 14.2% by mass forsterite (Mg2SiO4), and the remainder sil...

A: In this question given: Fe2SiO4- Fayalite has 6.5% and 14.2% by mass forsterite, remaining is 79.3% ...

Q: balanced using the smallest possible integers Sr(s) + P4(s) = Sr3P2(s)

A:

Q: 103 The disagreeable odor of fish is mainly due to organic compounds (RNH,) containing an amino grou...

A:  The disagreeable odor of fish is mainly due to organic G compounds (RNH₂) containing an amino group...

Q: equilibrium constant

A:

Q: 2.050 g of an unknown sample contains H, S, and O. If the compound contains 0.0500 g Hand 0.800 g of...

A: Given- Weight of unknown sample=2.050g Weight of H=0.0500 g  Weight of S=0.800g  

Q: Ide tify the number of signals observed for the following 4 roiecules in C NMR and H NMR spe troscop...

A: The number of 1H and 13C signals of the above compounds are given below

Q: Doubling the concentration of NO at constant temp is expected to: a.) increase rate by factor of 8 ...

A:

Q: equilibrium

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Q: Mendeleev left empty spaces in his periodic table for elements he suspected existed but had yet to b...

A: Mendeleev is the first who makes groups and rows. Mendeleev also left empty spaces in his periodic t...

Q: Which of the following molecules represents the lowest energy conformation of trans-1-bromo-4-ethylc...

A:

Q: NChane gar oscuples a wume of12iters at220 Boyle's Law. thkrine oar rcudes n wme of 12hters at 720 O...

A: According to Boyle's law ' volume occupied by a gas is inversely proportional to the pressure of gas...

Q: True or False. Write the word “reducing” if the statement is correct, otherwise write “non-reducing”...

A: The answer is as follows:  

Q: 3. Calculate the concentration of Cl- in the 10mL unknown NaCl solution. The Ksp for Silver Chlorid...

A: Answer is below

Q: Predict the product for the reaction shown. H2 Pd OH OH HO. HO. OH IV O II O IV

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Q: When the following equation is balanced, the coefficient of H,0 is Cа (9) + H,0 () > Са(ОН), (аq) + ...

A:

Q: What are the raw materials utilized for the synthesis of soda lime glass? If B2O3 is also added/incl...

A: Soda lime glass is the most prevalent type of glass used for wine bottles,different glass containers...

Q: For a particular reaction, AH = 120.5 kJ and AS = 758.2 J/K. Calculate AG for this reaction at 298 K...

A:

Q: A certain reaction has an equilibrium constant of 10.1 at 25oC. What is its ΔGo in kJ/mol?

A: Given question in equilibrium constant of reaction is 10.1 Temperature = 25 °c Calculate the ΔGo in ...

Q: O MEASUREMENT AND MATTER Predicting and naming ionic compounds formed by two elements Mortor 0/5 Dec...

A: Here we have to determine whether ionic compound formed or not between the pair of given elements an...

Q: Paple't Law उमारित

A: