04 on OH OH

Q: Which of the following statements are true for Beers Law? 1. Absorbance increases as concentration…

A: ••According to Beer's law , absorbance is directly  proportional to path length through the sample…

Q: Volumeconcentrate

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Q: B. Calculate the molality of a water solution if the freezing point is: 6. -9.3°C 7. -27.9°C

A: Molality of solution is defined as number of moles of solute dissolved per kg of solvent.

Q: Calculate the pAg of the solution during the titration of of 40.00 mL of 0.2500 M NaCl with 0.500 M…

A: NaCl(aq) and AgNO3(aq) undergo precipitation reaction to form AgCl(s) precipitate. The balanced…

Q: What type of phase change is water in the liquid state turning into water in the solid state?…

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Q: The following information is given for antimony at 1atm: AHvap (1440.00°C) = 1.605 × 10° 1/g AHfus…

A: Answer: It is a three step process 1. Cooling of liquid antimony to its freezing point 2. Freezing…

Q: What is the maximum mass of gallium bromide that can be formed when reacting 41g of gallium with 38g…

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Q: How many grams of product will be formed by completely burning 7.80 g of aluminum on excess oxygen?

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Q: Question 7 Which of the following is NOT a strong electrolyte? O CCI4 O NaCl O HCI O KOH

A: Strong electrolytes are those species which is completely ionise. On the basis of this we can tell…

Q: A volume of 10 mL of an unknown hydrochloric acid sample was diluted to 100 mL. The diluted solution…

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Q: glass container was initially charged with 2.00 moles of a gas sample at 3.75 atm and 21.7C Some of…

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Q: Gौव्यावनेट पोट एम पव्चप्रह वने T.54m 8वोप्ल फ्राc्वणbonaनट ( प्नकाटके ड क०् लए२पीाछमपा्क प्जमीमना…

A: Given: Concentration of NaHCO3 = 1.54 M

Q: Fill in the values as indicated: 212Po + H -> A = Z =

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Q: For which of the following we CAN NOT draw a stable Lewis structure ? NCI5 All of the above have…

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Q: Give the IUPAC names of the following(skip e) CI 2-chloró-4-ethylheptane a) b) c) d) = f)

A: IUPAC name are as follows:

Q: 1. Explain why the chemical displacement value in 1H-NMR of alkyn protons comes out between 2.5 -3.1…

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Q: Question 11: What is the identity of the alkyl bromide that Gwen used in this reaction? CI Br Br…

A: Given reaction is :

Q: EX// A chemical reaction takes place in a container of cross-sectional area 50.0 cm?. As a result of…

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Q: The diagram below represents a Daniell galvanic cell involving zinc and. сopper. Match each numbered…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: 05: One of Methane with 3 moles of pure Oxygen represent pre mixed combustion. Two reversible…

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Q: OH strong acid ÓH heat benzopinacol molar mass = 366.46 g/mol benzopinacolone molar mass = 348.45…

A: The reaction given is,

Q: 3. 184 g of C2H5OH dissolved in 400 g of H2O

A: Given :  Mass of C2H5OH = 184 gm  Mass of H2O = 400 gm  Molality is defined as moles of solute…

Q: 15. Provide the product resulting from the following reaction. OsO4, NaHSO3 но OH но OH A

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Q: The crystal structure of [Cu(H2O)6]2+ displays axial bond lengths of 238 pm and equatorial bond…

A: The shape of transition metal complexes is determined by the tendancy of electron pairs to occupy…

Q: If the half life of a radioactive element is 32.8 years, how many years will it take for a sample to…

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Q: Which of the following compounds is most acidic? OH II || II IV

A: Acid is the species which gives H+ ion in any solvent.

Q: कर टेपेानेणवे कndण लानका + fmeton fo bariam mitride CQag Nz) गीपला कैट बण्वमंका ठ ? 5 cम (9) + 2N2…

A: The enthalpy change is a state function and the Hess law states that the change of enthalpy in a…

Q: With the aid of diagrams Explain how you would apply crystal field theory to explain why the five…

A: Crystal field splitting energy is defined as energy difference between two set of orbitals.

Q: When a solid dissolves in water, the solution may become hotter or colder. The dissolution enthalpy…

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Q: Question 3: Ashe needs to make a total of 0.750 g of benzopinacolone. Assuming a 100% yield, how…

A: Given, mass of benzopinacolone= 0.750 g percentage yield = 100 %

Q: When studying a 2nd order reaction, you measure the concentration of the reactant at two times. at…

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Q: When studying a 1st order reaction, you measure the concentration of the reactant at two times. at…

A: Answer: Integrated rate law for first order reaction is: k×t=2.303loga0a Here: k=rate…

Q: The carbon-11 isotope has a half-life of 20.3 minutes. How long (in hours) will it take for 99.9999%…

A: Here we have to determine time required for 99.9999% of a carbon-11 sample to disappear.Given half…

Q: For each of the following statements, answer TRUE or FALSE and explain your answer briefly.   If…

A: To “TARE” means to zero out the balance. Below are some general rules about using a digital balance.…

Q: To prepare a solution with a total weight of 50 g that contains phenophthalene at a percentage of…

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Q: What is it called when the final temperature of your Solid and the water are equal? (Calorimetry)

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Q: Which of the following is the best Lewis structure? ö=si=° :0=Si-0: =S = 0=0=Si A B Ов All have…

A: In this question, we will selected the best Lewis structure of the molecule.  You can see the…

Q: Write the formula and name of an ionic compound whose cation is a transition metal with 26 protons…

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Q: 8. O2 CO2 H20 9. C,H10 O2 CO2 H20 10. C;H;OH O2 CO2 H20 + 11. C,H, O2 CO H,0

A: Count the number of atoms of each element present both side of the reaction and then, balance them.

Q: The correct formula for diamminetetraaquacopper(Il) chloride is: O ICUCI(NH)2(H,O)]…

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Q: A blood sample was submitted for electrolyte analysis. The Mg content (known as "ionized magnesium"…

A: Response of an ion-selective electrode in given as: E=constant+β0.05916nlog[Analyte]   where, E is…

Q: • Explain Heiseubery Unte Joiuky parinciple alony with dei vahion and fully describe in more than…

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Q: give thumbs up if all are answered correctly.    1. Balance the following chemical equations.…

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Q: H.W) When 178 J of energy is supplied as heat to 1.9 mol of gas molecules at constant pressure, the…

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Q: d. 200 mL of 5.00% (w/v) aqueous BaCl2 from a 0.300 M BaCl2 solution. e. 2.00 L of 0.500 M HCIO,…

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Q: What type of instrument is shown in the diagram? Reference cell Po 0. Amplifier Grid Source hv…

A: The light beam in single beam instruments passes through the sample without splitting, but the beam…

Q: What is the effect of adding the acid before Kl?

A: Acid is substance which release hydrogen ions when dissolved in water.

Q: 44. In the determination of the total hardness of water, a measured aoof MgY is often added to the…

A: determination of hardness of water

Q: The change in Gibbs' free energy is also considered a measure of the additional work that a system…

A: Gibb's free energy the measure of maximum non expansion work system can perform at constant…

Q: Activity 1.3 Writing the electron configuration and drawing the orbital diagram. Directions: Write…

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Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".