Explain how the dichromate-chromate equilibrium (eqn. 2) shifts in response to an increase or decrease in OH- ions. Express this in words and as an equation.

Q: 7. Why the need for a homogenizer?

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A: This is a reducing sugar as there is a present of free -OH group adjacent to the ring oxygen atom , ...

Q: Boyle’s

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Q: Question 3 The following reaction has an average rate of disappearance of Hz of 0.00135 M min in the...

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Q: of red algae. The sample was hydrolyzed and monosaccharide units were analyzed in different colorime...

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Q: Which carbon of the open-chain form of a sugar becomes the anomeric carbon in the cyclic form? the c...

A: 1st option is correct that is the carbonyl carbon.  Reason : The carbonyl carbon of the aldehyde in ...

Q: CHOH CHCH A CHOH CHOH 1 CHOH OH OH OH CH 3 OH CH-OH CH OH OH B 2 CH Which lettered subunit is the re...

A: Given structure of the sugar is :  Which lettered subunit is the reducing end = ? Options are :   

Q: Which carbon of the open-chain form of a sugar becomes the anomeric carbon in the cyclic form?     ...

A: when a pair of stereoisomer is developed due to the difference in configuration at  C1 chiral centre...

Q: 1. Name the following substituted ammonium or substituted anilinium ions. CH-CH;-NH,-CH, a. ANSWER: ...

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for yo...

Q: Which heteroatom don't contain heterocyclic compounds? a. Phosphorus b. Oxygen c. Nitrogen d. Sulfur

A: The heterocyclic compounds are ring compounds containing  heteroatom  such as oxygen, nitrogen, Sulp...

Q: 60.0 mL of a 0.800M NaCI solution is mixed with 80.0 mL of a 0.500M KBr solution. What is the new co...

A: Here 60 ml of 0.8M NaCl solution was mixed with 80 ml of 0.5 M KBr solution. We have to find new mol...

Q: A 29.6 mL sample of 0.392 M ethylamine, C2H5NH2, is titrated with 0.343 M hydrobromic acid. At the e...

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Q: For the following reaction, 0.278 moles of sulfur dioxide are mixed with 0.306 moles of oxygen gas. ...

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Q: II. PRACTICE EXERCISE 2: Identify the hybrid orbitals used in the given molecules. H HHH 21 31 41 51...

A: Given compound is : Identify the hybrid orbitals used in the given molecule = ? 

Q: The instrument used in the titrations which hold the titrant is called? Select one: a. pipette b. Bu...

A: Generally in titration we take burette and conical flask . Let's discuss where we will take titrant.

Q: An unknown compound has the following chemical formula: P,S where x stands for a whole number. Measu...

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Q: A chemistry student needs to standardize a fresh solution of sodium hydroxide. He carefully weighs o...

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Q: A juice concentrate was colorimetrically assayed using Nelson’s test. One milliliter (1.00 mL) of th...

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Q: An organic compound is extracted from an aqueous phase using an organic solvent: 40 ml of the aqueou...

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Q: What is the mole fraction of substance B (ethanol) in a mixture that is 58.4% weight

A: If total mass of mixture = 100 g  Then  Mass of water = 58.4 g Mass of Ethanol = 100-58.4=41.6 g Mol...

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Q: Complete the balanced neutralization equation for the reaction below: HCl(aq) + NaOH(aq)

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Q: What is the concentration in molarity of a solution which is 10.41 %m/v benzene (C₆H₆, MM =78.11 g/m...

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Q: Suppose a 0.33M aqueous solution of oxalic acid (H,C,O4) is prepared. Calculate the equilibrium mola...

A: Given: Concentration of H2C2O4 = 0.33 M Ka1 of H2C2O4 = 5.9 × 10-2  Ka2 of H2C2O4 = 5.2 × 10-5   

Q: 1) Give the IUPAC names for the following unsaturated hydrocarbons: CH a) b) CH, CH CH CH2– CH,

A: The IUPAC naming is done on the basis of following rules:-  Longest chain is the parent chain Numbe...

Q: A pharmacist received a prescription calling for 30 capsules, each to contain 1/200 gr of nitroglyce...

A: Given,  A pharmacist received a prescription calling = 30 capsules Each capsule contain = 1/200 gr o...

Q: All of the following given are colligative properties except ? Select one: a. Boiling Point Solution...

A: Given; To identify the option which is not a colligative property.  

Q: Used tha blanced equation 2C2H6 + 7O2 → 4CO2 + 6H2O a. If 15g of C2H6 reacts with 45g of O2, how m...

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Q: Find melting points of the materials: Aluminum                                                      ...

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Q: Metallic calcium crystallizes in a face-centered cubic lattice, and the atomic radius of calcium is ...

A: OPTION C Density formula D=Z×Ma3×NaZ = number of atom per unit cella = edge length in pm M =molar ma...

Q: Metallic calcium crystallized in a face-centered cubic lattice and the atomic radius of calcium is 1...

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Q: OH OH OH What are the glycosidic linkages of the trisaccharide shown? O al>6, B1→6 O al>6, a1→6 O a1...

A: Simple sugars glucose, fructose belongs to the class of energy giving molecules that are carbohydrat...

Q: Write the molecular equation which completes the following. The reaction occurs in an aqueous soluti...

A: the reaction is  K2S + HCl→ KCl + H2S

Q: Using dimensional analysis what volume of hydrogen gas at STP is produced when 2.5 grams of zinc rea...

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Q: Draw the Lewis structure for the bromate ion (Bro,) with minimized formål charges. How many TOTAL eq...

A: Lewis structure represents the bonding relationship between atoms of a molecule and lone pairs of el...

Q: After decarboxylation of propanoic acid forms: Select one: a. Ethene b. Ethane C. Methane d. Propane

A: Given: Decarboxylation of propanoic acid.  

Q: In the laboratory you measured RMSE, however here you will enter the R2 value displayed on the graph...

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Q: The formyl of an aldose is converted to which functional group when oxidized?     alkoxide     c...

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Q: Which is known as B-D-glucopyranose? I. Choice I Which is the functional isomer of B-D-glucopyranose...

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Q: Question 42 The disaccharide shown is composed of two units of D-glucose joined with a B (1->6) link...

A: True; The disaccharide shown here does have beta(1->6) glycosidic linkage

Q: Starting exactly with any acid chloride with exactly with 5 carbon atoms, and using appropriate reag...

A: A question based on introduction to organic chemistry that is to be accomplished.

Q: Question 2 The following reaction has an average rate of disappearance of H2 of 0.00135 M min in the...

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Q: A cylinder contains 29.0 L of oxygen gas at a pressure of 1.7 atm and a temperature of 280 K . How ...

A: Given Volume(V) =29L Given pressure(P)=1.7atm Temperature(T)=280K Gas constant(R)=0.0821Lk-1atm mol-...

Q: Which test can be used to differentiate ribose and glucose? Molisch Test Barfoed's Test O Sliwanoff'...

A: Which test is used to differentiate ribose and glucose ?

Q: halogen noble gas

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Q: It is possible to guess the type of salt, acidic or alkaline, based on

A: Answer ) salt is formed by the neutralization reaction of acid and base.  HA (acid )  +  BOH (base) ...

Q: Calculate the number of moles in 13.6 g of magnesium phosphate. Group of answer choices 0.0517 mol 0...

A: The formula for the number of moles formula is expressed as

Q: H H;C H H3C. `CH2CH3 ČH3 A

A: IUPAC nomenclature can be found from its Newman projection by considering that it's structure can be...