What is the oxidation number of the underlined element in the following compound? a) K2Cr2O7 b) AsO43 c) Fe(QH)3 2.

Q: What are the implications for the reaction rate of a negative Reaction Order?

A: Order of reaction can be negative or positive.

Q: Calculate potentials after the addition of 10.00, 25.00, 50.00, and 50.10 mL of the reagent. Where ...

A: Given: 50.00 mL of 0.05000 M U4+ with 0.02000 M MnO4- To Calculate: Potential after the addition of ...

Q: What is the ionic strength of a 0.100 M solution of Na,SO4 with 0.2 M KI?

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Q: 1. How much 6M NaOH is required to make 500 mL of 0.1 M NaOH? How much DI water is required?

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Q: 20 g of Na2SO4 is dissolved in 60 g in water and density is 2.66 g.cm^-3 . find %w/v and molarity

A: Given: The mass of Na2SO4 dissolved in 60 of water = 20 g The de3nsity of the solution = 2.66 g.cm-3...

Q: alcohol?

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Q: How could rapid decompression be useful?

A: Rapid decompression typically takes more than 0.1 to 0.5 seconds, allowing the lungs to decompress m...

Q: Balance the following equation in basic solution using the half reaction method. I- + Ce4+ → IO3- + ...

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Q: Above what Fe² + concentration will Fe(OH), precipitate from a buffer solution that has a pH of 9.74...

A: Given: The Ksp of Fe(OH)2 = 4.87 × 10-17 We have to calculate the concentration of Fe2+ above which ...

Q: Calculate the reaction rate for each trial using an average of the time (in sec) for each trial

A: Average time for all Trials Trial-1 (1) 275.65 s (2) 281.31 s  (3) 285.31 s Average of three values ...

Q: Calculate the concentrations of all species in a 0.300 M NaCH, COO (sodium acetate) solution. The io...

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Q: 2. ENTHALPY OF FORMATION Calculate the AHr of the reaction: 2C0) + 02cg) → 2C02) ->

A:  Net Energy needed for the formation of products is known as enthalpy of formation.

Q: following compound is oxidized? H. HO H HI H H. C H. C C. H. H H H H

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Q: What concentration of SO? is in equilibrium with Ag, SO, (s) and 1.00 × 10-3 M Ag+? The Ksp of Ag,SO...

A: Given, [Ag+] = 1.00 × 10-3 [SO32-] = ? Note: The Ksp of Ag2SO3 = 1.5 × 10-14 Ag2SO3(s) ⇌ 2Ag+(aq) + ...

Q: molar entropy for t

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Q: Consider an ideal mixture of two liquids, A and B. The image below shows the mole fraction of ompone...

A: Consider an ideal mixture of two liquids, A and B. The image below shows the mole fraction of compon...

Q: 1. Which would increase more the boiling point of water: salt or sugar? Why? 2. Identify which of th...

A: Since you asked multiple questions so as per Q&A guidelines of portal I solved first question fo...

Q: conjugate acid conjugate base

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Q: At an altitude of 15 km the temperature is 217 K and the pressure 12.1 kPa. What is the mean free pa...

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Q: Apply Hess' Law to the chemical reactions in question 2 above: Arrange equations A-C so that when th...

A: According to Hess's  Law heat of a reaction is the summation of the heat of reactions of the individ...

Q: pose a 250. mL flask is filled with 1.5 mol of Br,, 0.80 mol of OCl, and 1.6 mol of BrCl. The follow...

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Q: How would you carry out the following transformation, more than one step may be needed (note: use th...

A: The above transformation requires two steps: 1. Conversion of 1-methylcyclohexanol to 1-methylcycloh...

Q: asap with explanation )

A: In redox chemistry Any species whose oxidation number or oxidation state increasing called undergoin...

Q: коме MEOH Br major minor KOIBU IBUOH Br minor major

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Q: CO2H SOCI,

A: ->Grignard reagent reacts with CO2 in acidic medium and form Carboxylic acid. ->Carboxylic aci...

Q: Given the following branches of science, in which among these would Analytical Chemistry not widely ...

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Q: "For the given reaction, write out the translation of a chemical reaction into a sentence (just like...

A: The molecular interpretation will involve the sentence which refers to the number of molecules used ...

Q: In synthesis shown in box, which of the following reagents is expected to give the indicated pro 1. ...

A: Esters can undergo hydride reduction with LiAlH4 to form alcohol.

Q: Which of the following statement is CORRECT? O At equilibrium, the concentration of reactant and pro...

A: The correct statement is given below

Q: A 0.658 g sample of a diprotic acid is dissolved in water and titrated with 0.130 M NaOH. What is th...

A: First find number of moles of NaOH. Then with the help of balanced equation find the number of moles...

Q: ( asap

A:

Q: Which of the following substances is likely to have the highest acid strength? Select an answer and ...

A: Acid: a substance which releases H+ ions in water or donates proton or accepts electrons, is called ...

Q: Classify each titration curve as representing a strong acid titrated with a strong base, a strong ba...

A: The classification of curves can be done from the nature of curve line , Initial pH value and number...

Q: Calculate the pH of a 0.13 M solution of propanoic acid. K, of propanoic acid is 1.3 x 10-5.

A: pH is defined as negative logarithm of hydrogen ion concentration.

Q: Calculate K for the reaction at 511 K: SO2Cl2(g) = SO2(g) + Cl2(g) Kp = 3.08 x 10 %3D If the answer ...

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Q: Directions: Answer the following by providing a substantial explanation for each question. 2. Identi...

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Q: balanced equation

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Q: Draw the line bond structure of the following compound: a. CH3)2CH(CH2)3CH3 b. (CH3)2CH(CH2)2CH2OH c...

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Q: In this operation 10,300.2001 - 3,334.22 = ? Express your final answer with the correct number of si...

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Q: There are two steps in the extraction of copper metal from chalcocite, a copper ore. In the first st...

A: Given-  First step- 2Cu2S+3O2->2Cu2O+2SO2 Second step- Cu2O+C->2Cu+CO  

Q: If you will measure 90µl of liquid, what pipet calibration should you use appropriately?  10 ul - 1...

A: A pipette is laboratory glassware used for the accurate measurement of the volume of a liquid.

Q: What is the ionic strength of a 3:2 electrolyte with a concentration of 0.100 M? O 1.5 M O 16 M O 1....

A: Solution is made up of two components: solute and Solvent. Component which is present in major amoun...

Q: Calculating the PH UI A solution is prepared at 25 °C that is initially 0.45M in ammonia (NH,), a we...

A: Initial concentration of ammonia=0.45M  Concentration of ammonium chloride=0.13M  Kb=1.8×10^-5 pH of...

Q: Pd→-46 Pd +-Y 238 4. 5. -83 Ra → 21886 Rn +- He 6. 238 U→2392, +-Y

A: Since you have asked multiparts questions, we will solve the first three sub parts questions for you...

Q: A 0.434 g sample of a monoprotic acid is dissolved in water and titrated with 0.170 M KOH. What is t...

A: Number of mole of NaOH used will be equal to moles of monoprotic acid being neutralised

Q: Determine the [H3O*] of a solution prepared by adding 0.100 moles of NaF to 1.4 L of a 0.30 M HF sol...

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Q: Theoretical background oh how strength of acids affects electrical conductivity Min 150 words

A: The conductivity of an electrolyte solution is due to the presence of ions in the solution.

Q: How to tell if a molecule is polar or non-polar without electronegativity?

A: Can be explained by using symmetry....

Q: For each pair of crystal faces, identify their Weiss parameters and draw the faces on the right hand...

A: According to the question:- to identify weiss parameter to draw face according to the Miller indice...

Q: You are asked to prepare 304 µL of a 1/38 dilution solution from your collected sample. How much yo...

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