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Q: Discuss the relationship of the water hardness of the sample with the environment. What could be the...

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Q: 5. Every six hours, a patient requires a 50 mg dose of a drug for each kilogram of body weight. If...

A: Given : Duration of dose = 6 hours. Mass of patient = 115 lbs Mass of drug required by patient = 50 ...

Q: Problem 2.  Using the enthalpy of reaction. The next six questions are part of problem 2.  Please re...

A: Given: Mass of water = 1.0 kg = 1000 g Initial temperature of water = 22.0 oC = 295 K Specific heat ...

Q: Ben prepared a salicylic acid in pentanol solution by adding 4.77 g of salicylic acid to 91.88 mL of...

A: Given: Mass of salicylic acid = 4.77 g Volume of pentanol = 91.88 mL MW of salicylic acid= 138.12 g/...

Q: Identify compound A to E

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Q: A 20-mL vial of concentrated ammonium chloride solution containing 5 mEq/mL is diluted to 1 liter wi...

A: Recall the following expression to find final concentration of ammonium chloride     (Vi ) × (Ni) = ...

Q: What is the rate law for the following reaction and its mechanism? 203-302 (overall reaction) 03-02+...

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Q: 2.44 mol of chlorine is placed inside a container with a volume of 13.0dm3 at a temperature of 12.0^...

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Q: Identify the nucleophile and electrophile in the given reaction. Show the electronrich and the elect...

A: Nucleophile is electron rich species whereas Electrophile is electron deficient species

Q: answer the question.

A: The mass of NaOH is = 5.00 g The mass of Ba(OH)2 is = 5.00 g The volume of solution is =1 L The mola...

Q: How many liters of S02 will be produced from 53.8 L 0,?

A: The formation of SO2 will be as follows :  S +O2 ==> SO2  Given volume of O2= 53.8L 

Q: Proposed a suitable mechanism of the following reaction:

A: Answer is explained below. The given reaction is :

Q: Enrichment: Consider the following equilibria and predict how they will shift in response to increas...

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Q: Name as an epoxy alkane

A: The given compound contains an oxirane ring, a three-membered heterocyclic ring with an oxygen heter...

Q: Suggest two different synthesis pathways (not more than two reactions each) for the formation of any...

A: Given: An Aldehyde N which is to be converted to ketone. It can be done in following two ways: Usin...

Q: When nitrogen gas reacts with oxygen gas, nitrogen monoxide gas forms: N2(g) + O2(g) ⇋2NO(g) Initial...

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Q: Complete the following for CeHsNH2. a. Write the base dissociation reaction. b. Write the Kb express...

A: Given: C6H5NH2 To find: a) base dissociation Reaction b) Kb expression Solution: Base dissociation R...

Q: 2. A can of Schweppes Ginger Ale contains a volume of 12 fluid ounces or 355 mL. Using this informa...

A: Given : Volume of fluid in ounce = 12 ounce And volume of fluid in mL = 355 mL  

Q: Chemistry Question

A: Solution: 1.for first image We can see the solution absorbs red(700 nm), orange (600 nm) and green c...

Q: Problem 1.  Determining a heat capacity.  (Cwater = 4.184 J/g-K) The first five questions are part o...

A: Specific heat capacity  of a substance  is the amount of  energy required  to raise  the temperature...

Q: 0.017mol of butane is added to a 0.5L flask. What are the equilibrium concentrations of each species...

A: Answer :-  Equilibrium concentration of butane = 0.0097 M  Equilibrium concentration of isobutane = ...

Q: What product is formed when (R)-2-chloropentane reacts with hydroxide ion in an SN2 reaction?

A: A question based on SN2 mechanism, which is to be accomplished.

Q: 6.30 g sample containing tellerium is dissolved and 47 mL of 0.03 M K2Cr2O7 is added. After the reac...

A: The balanced equations are     3 TeO2 + Cr2O72–   + 8 H+ → 3 H2TeO4 + 2 Cr3+ + H2O   Cr2O72– + 6 Fe+...

Q: Including the cis or trans designation, what is the IUPAC name of the following substance? It is not...

A: The IUPAC name of the following compound is as follows:    

Q: 3. Consider the reaction 4 PH3 (g) P4 (9) + 6 H2 (g) If, in a certain experiment, over a specific ti...

A: 0.0048 mol PH3 is consumed in 2.0 L of container each second Means the Concentration of PH3 consumed...

Q: Hydrobromic acid, HBr, is a strong, highly corrosive acid. What is the pOH of a 0.0375 M HBr solutio...

A: Given, [HBr] = 0.0375 M  POH = ? 

Q: How many moles of strontium (Sr) atoms are in 81.7 g of Sr? mol

A: Given : Mass of Sr = 81.7 g.  

Q: Which one of the following is always positive when a spontaneous process occurs? * AH(sys +sur) AS(s...

A: The second law of thermodynamics gves the insight of the direction of any spontaneous process.

Q: Use the table below to answer the questions that follow. The value of standard entropy change, AS°, ...

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Q: A student tries to synthesize ethyl acetate from 25 g glacial acetic acid (60.05 g/mol), 5 ml H2SO4 ...

A: We have 25 g of acetic acid, 5 ml sulphuric acid, 30 ml of ethanol and the given yield of ethyl acet...

Q: Answer the following question

A: Given: 19.265 g of pure liquid methanol at 22°C is converted to gaseous state at 261°C at constant p...

Q: Suppose a new element is discovered and it has two stable isotopes. One isotope has a mass of 71.123...

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Q: For a hypothetical element A under acidic soln: Cell Notation E° (V) AO3/AO2 AO2/HAO2 AO;/AO2 НАО/АO...

A: The given data is:

Q: A weak base has a Kb of 4.29E-10. Calculate the pH of a 0.250M solution of the weak base.

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Q: Given the following thermochemical equations: 4 FeS2(s) + 11 O2(g) –-2 Fe2O3(s) + 8 SO2(g) (kJ/mol) ...

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Q: 2. A can of Schweppes Ginger Ale contains a volume of 12 fluid ounces or 355 mL. Using this informa...

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Q: Chemistry Question

A: NaNH2  when treated with alkynes having acetelenic hydrogen (Hydrogen atom connected with triple bon...

Q: What is the cell diagram for the spontaneous cell involving the Fe3+(aq) | Fe2*(aq) I Pt(s) (0.771V)...

A: For a spontaneous cell reaction the half cell with greater reduction potential act as cathode while ...

Q: Calculate the value of K, in the following reaction if the equilibrium concentrations are [H,S] = 0....

A: The question is based on the concept of chemical equilibrium. We have to calculate EQUILIBRIUM const...

Q: A container at equilibrium contains the following concentrations: [H,] = 0.30 M and [HI] = 0.90 M. T...

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Q: If a system has 225 kcal225 kcal of work done to it, and releases 5.00×102 kJ5.00×102 kJ of heat int...

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Q: Suggest the synthesis pathways (not more than two reactions) for the formation of any ketone compoun...

A: Answer:- This question is answered by using the simple concept of chemical reactions of organic comp...

Q: Explain why when you open a pop can, the gas comes out of solution

A: Pop can is made up of water and carbon dioxide, i.e., soda water contains carbonic acid which is a w...

Q: An 80.0 g sample of a gas was heated from 25 ∘C25⁢ ∘C to 225 ∘C.225⁢ ∘C. During this process, 346 J ...

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Q: After 245 years half of a sample of radioactive element remains. What percent of the sample remain a...

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Q: What is the pH of the solution that is prepared when 121 g piperidinium chloride salt is dissolved i...

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Q: Identify compound A to E. H2SO4 но NH2 1) A 2) H,O* NaOH PCC, 1) 3CH,I CH2C2, A 2) Ag-0, H-0, Д C

A: Alcohols on oxidation with PCC forms corresponding carbonyl compounds. Alcohols on heating with acid...

Q: 1. Which of the following molecules has a larger boiling point. Justify your answer. CH3 a) CH;CH,CH...

A: Boiling point :-  The temperature at which vapour pressure of the liquid becomes equals to atmospher...

Q: The freezing point depression of a solution of 1.0086 g Sulfur in 5.0527g Napthalene is 2.5 oC . Wha...

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Q: Please synthesize each of the compounds shown below from benzene

A: Benzene on treatment with chlorine in the presence of anhydrous AlCl3 produces chlorobenzene. Chloro...