Astaxanthin, the molecule shown below in the green box, is a natural product responsible for the pink colors in flamingos. Ho many chiral centers does astaxanthin have? 0 1 O 2 O 6 O 4

Q: Q2 : At 25°C, K = 3.40 x 10-3 S m-1 for 0.00100 M NH4OH. Values of Lo are: NH4C1 = 0.01497, NaOH 0.0...

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Q: 7. The separate samples of nitric and acetic acids are both titrated with a 0.100 M solution of ...

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Q: How long would it take for the amount of u-235 to reach 1/8 of its initial amount? One of the nuclid...

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Q: Cl CI CI

A: Here the first ketene formation takes place :  This reaction is called the Schmidlin ketene synthesi...

Q: At a certain concentration of N2 and H2, the initial rate of reaction is 5.0 x 104 M / s. What would...

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Q: what is the heat combustion of C2H5OH at 25C?

A: Burning of ethanol When we burn – or combust – ethanol (C2H5OH) in air (which contains oxygen, O2), ...

Q: . 1 SO3(g) + 1 H2O(g)⇌ 1 H2SO4(g)  Kp = 0.423     ΔH = +130 kJ a) Write the Kp expression (above is ...

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Q: Idenhfy Tme false > mean speed wed in maxwell Speed dishibution is = 16RT)Y2

A: False.  

Q: Which acid would be best to use when preparing a buffer with a pH of 4.77? A list of K, values can b...

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Q: At a certain concentration of N2 and 03, the initial rate of reaction is 7.0 x 104 M / s. What would...

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Q: if the pH at one half the first and second equivalence points of a dibasic acid is 4.80 and 7.34, re...

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Q: pH

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Q: 11. A 101.3-mg sample of an organic compound known to contain Cl is burned in pure O2 and the combus...

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Q: Using the table of standard formation enthalpies that you'll find under the ALEKS Data tab, calculat...

A: Solution -

Q: What is the theoretical yield of an aldol condensation reaction involving cyclopentanone as the keto...

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Q: How many grams of phenol should be used to prepare 240 g of a 5% (w/w) solution in water?

A: Formula used :-  W/W % = (Mass of phenol ÷ Mass of solution )×100%   

Q: Under certain conditions the rate of this reaction is zero order in hydrogen iodide with a rate cons...

A: Given-> 2HI(g) --> H2(g)+ I2(g) Rate constant (K)= 0.0085 M.s^-1 Volume = 2.0 L Millimoles of ...

Q: Give the IUPAC name for this coordination compound. [Cr(H, O),CIJSO4

A: Write IUPAC name of the given coordination compound-

Q: 1. Predict whether the following solutions are acidic, basic, or neutral. Provide explanations to su...

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Q: H.

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Q: nd on measuring its resistance it is found to be y ohm, w ment if resistance of aqueous solution of ...

A: For cell 1 Resistance(R1) = y ohm Specific conductance(k1)=  = x ohm.cm-1 For cell 2,  Resistance (R...

Q: 9. Consider the titration of a sample of a weak acid with a strong base (titrant). What is the signi...

A: 9. A weak acid is titrated with a strong base.  Here, we have to select the correct option for the s...

Q: Enumerate and describe the types of precipitates.  How will you control the size of precipitates

A: Interpretation- We have to enumerate and describe the types of precipitates and how we will control ...

Q: Given the following data, what is the percent insoluble matter for the chemical being investigated? ...

A: Percent insoluble matter = (Weight of insoluble matter÷weight of chemical used)×100% 

Q: Under certain conditions the rate of this reaction is zero order in dinitrogen monoxide with a rate ...

A: Given-> 2N2O(g) ---> 2N2(g) + O2(g)  Rate constant (K) = 0.0013 M.s-1 Volume = 3.0L Initial Mo...

Q: 2. Calculate the molality of a 35.4 percent (by mass) aqueous solution of phosphoric acid (H3PO4). T...

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Q: Question 5 The reaction of n-butylbromide and the methoxide anion (CH3O) is found to follow the foll...

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Q: What is the molar mass of the compound barium nitrate? g/mol Provide an answer with two decimal plac...

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Q: Q17) Calculate the osmotic pressure of 25% of the urea solution at a temperature of (37°C). R=0.0821...

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Q: A chemistry student weighs out 0.105 g of sulfurous acid (H,SO,), a diprotic acid, into a 250. mL vo...

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Q: Write the formula for a complex formed between Ag+ and NH, with a coordination number of 2. formula:...

A: Here, we have to write the formula of a complex formed between Ag+ and NH3 with a coordination numbe...

Q: 3. Find the specific heat of a steel that has a mass of 1.57 kg absorbs net thermal energy of 2.5\ti...

A: Answer:- We can determined specific heat of  steel by using q=mc∆T ...

Q: What metal ion is responsible for the red firework?   Street lights are yellow/orange in color and n...

A: What metal ion is responsible for the red firework?   Street lights are yellow/orange in color and n...

Q: Explain in a few sentences and/or with a diagram all conditions that must be met for a chemical reac...

A: The solution is given below - 

Q: An aqueous solution contains NANO3 and KBr. The bromide ion is precipitated as AgBr by the addition ...

A: An aqueous solution contains NaNO3 and KBr. The bromide ion is precipitated as AgBr by addition of A...

Q: Answer the following questions: 1. Why do liquids assume different shapes on the surface of the wax...

A: As per the guideline, since you have asked multiple questions, we have solved the first question for...

Q: molecular equation)

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Q: Sodium chloride (chemical formula NaCI) has different properties than the elements (Na & CI) that it...

A: Concept: The physical properties of an compound are often quite different to the physical properties...

Q: Identify whether there will be an increase or a decrease in entropy for the system. Nitrogen gas rea...

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Q: Problem: A gas undergoes 3 process that completes a cycle in series P1= 10 atm PV1.1=constant P2= 50...

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Q: In the recovery of iron from iron ore, the reduction of the ore is actually accomplished by reaction...

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Q: forensic chemist is given an unknown substance for analysis. It is suspected that the unknown substa...

A: Given :   Mass of unknown substance = 0.5 g  Mass of benzene = 8.0 g  Freezing point of solution (Tf...

Q: pH

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Q: pH

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Q: 1.45 grams sample of acetic acid, HC2H3O was burned in excess oxygen in a bomb calorimeter. The calo...

A: moles of acetic acid = 1.45 g / 60.05 g mol-1 =0.02414 mol heat released is equal = q1 heat absorbed...

Q: In an experiment similar to Perrin's, you counted the concentration of suspended particles in a liqu...

A: First we check the relation between depth and number of atoms using the given two observation at two...

Q: Enumerate

A: Yes the formation of the new substances is evidenced by the color changes and formation of the bubbl...

Q: 8. How many grams of CaCl, will be dissolved in 50g of water at 70°C2 9. What amount of water is nee...

A: We need to check solubility value at particular temperature from graph.

Q: OH

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Q: Treatment of a 0.7000 g sample of impure potassium chloride with an excess of AgNO3 resulted in the ...

A: Given, mass of sample of impure KCl = 0.7000 g molar mass of KCl = 74.55 g/mol Excess reactant - AgN...