a] An analyst would like to analyze the concentration of Mg2+ in a solution. He needs a calibration curve for this analysis. Explain how would the analyst construct a calibration curve for Mg? using a UVVIS spectrophotometer?

Q: C. Write the systematic name for the following compound according to Hantzsch- Widman Nomenclature…

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Q: A dilute aqueous solution of CaC₂ contains 0.159 grams of solute per liter of solution. It is fully…

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Q: Which of these are optically active?

A: Structure-1 has plane of symmetry.so,it is optically inactive. Structure-2: Structure-3: It isFor an…

Q: OH НО ОН NaOH H,O

A: ->NaOH has nucleophilic character and it give electrophilic addition reaction to carbonyl center…

Q: Your titration involves using a 25.00mL pipette to deliver the ascorbic acid star (C,H3O6) to the…

A: Given, Molarity (M) = 0.0050 M Volume (V) = 25.00 mL = 0.0250 L

Q: Refer to the phase diagram below, and describe the phase changes (and the temperatures at which they…

A: The phase diagram denotes change of the states with respect to corresponding parameters.

Q: What is the alumina content in weight % of the garnet with Al as the only 3+ cation has Mg2.508…

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Q: A 24.84 mL aliquot of a weak acid has a concentration of .58 M. It will be titrated with .32 M NaOH,…

A: We have to predict the pH of the solution.

Q: 140 120 100 80 PPM 60 40 20

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Q: A secondary alcohol will be obtained if we attached -OH group to which carbons? Check all that…

A: The classification of alcohol is done on the basis of the number of carbon atoms attached to the…

Q: How much energy (in KJ) does it take to melt 25.0 grams of ice?  ^Hfus = 6.02 kJ/mol ^Hvap = 44.0…

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Q: CH3OH + TSOH OTs `OCH3

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Q: At 1500 °C the equilibrium constant for the reaction CO(g) + 2H₂(g) CH₃OH(g) has the value Kp = 1.4…

A: Given reaction: CO(g) + 2H₂(g) ⇌ CH₃OH(g)  Kp = 1.4 x 10⁻⁷ We have to calculate ΔG° for this…

Q: Propionic acid is provided (pKa - 4.0) to make a 0.8 M buffer at pH = 6.0. What is the ratio of…

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Q: What is the Ksp of Zn3(PO4)2 (MW = 320.8 g/mol) if its solubility in water at 25 °C is 4.9 x 10-5…

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Q: The Van't Hoff equation estimates the Ws of a solution. True O False

A: Applications of the an't Hoff equation

Q: Br Br + CH, OCH,CH, H;C ČH, one step synthesis, the class is organic chemistry fundamentals, so the…

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Q: . The process of purifying soap by adding excess NaCl is called_________* Salting-in Salting-out…

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Q: what is the intermediate formed in this ?

A: Intermediate formed in the given reaction = ?

Q: Write the correct chemical equation for the chlorination   of nitrobenzene and give the name of the…

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Q: What is the name of this compound?

A: Write IUPAC name of the given compound--

Q: Data for undiluted bleach solution: [NaOCI] used in trial (after addition of dye) 25.0mL Which graph…

A: Chemical kinetics is the branch of chemistry which deals with study of the rate of reaction. Rate of…

Q: Which substances would have a higher surface tension?

A: Molecules within a liquid are pulled equally in all directions by intermolecular forces. However,…

Q: Liquid X is known to have a lower surface tension and lower vapor pressure than Liquid Y. Use these…

A: Since the given small amount of both liquid X and Y were sprayed in the atmosphere,they form equal…

Q: Give examples of chemical reactions for both saytzeef product and hofmann product. state the iupac…

A: When a removing group or Molecule removed from the compound, alkyl halide then , the removal take…

Q: Decide whether each proposed multiplication or division of measurements is pc proposed…

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Q: Which of the following pair/s is/are correctly matched? 1- Boyle's PV=K II - Gay Lussac's K T. I-…

A: We need to determine the correct statements on the basis of Gas laws

Q: What would be the formula for an ionic compound composed of the ions    X2+  and   Y1− ?What would…

A: Ionic compounds can be defined as the compounds containing ionic bonds.ionic compounds contain ions

Q: e words in the left column to the appropriate blanks in the sentences on the right. Reset Hel are…

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Q: 4. Present a schematic representation of the Lineweaver-Burk Plot and equation.

A: ANSWER NUMBER 4:- It is the graphical representation of enzyme kinetics. Detailed schematic…

Q: Ascorbic acid is provided (pKa = 4.1) to make a 0.7 M buffer at pH = 3.5. What is th ratio of…

A: Here we are required to find the volume of ascorbic acid required to prepare 1L 0.7M of buffer

Q: How many moles of gas are in a gas sample occupying 5.6 L at 690 mmHg and 20°C? Select one: a.…

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Q: Draw structural formulas for three isomer of C,H,N, and classify them as primary, secondary, or…

A: IUPAC rules for amines 1. First of all, we identified the longest chain attached to the amine group…

Q: The solubility product for chromium(III) fluoride is Ksp = 6.6 × 10⁻¹¹. What is the molar solubility…

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Q: Name the following organic compounds using the IUPAC system. [K: /10] 1. CH,CH,CH, - N - CH, CH, 2.…

A: This is the question of IUPAC nomenclature.

Q: describe what happens to a reversible reaction as it attains equilibrium. Answer using 3 to 5…

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Q: Q2: From the data shown below, eplain Lipinski's nule of 5 and determine whether or not meets the…

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Q: Answer number 3 and 4

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Q: A 2.00-L glass soda bottle filled only with air is tightly capped at 34°C and 744.0 mmHg. If the…

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Q: If 100mg of Ca3(PO4)2 is dissolved in 100 ml of water at 50°C the Solution could be described as: O…

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Q: Nursing HCA 425 Do you agree that care can be both high quality and inefficient? WHy or why not

A: Avoid injuries to patients from the care that is intended to help them. Effective: Match care to…

Q: 9O2  + 2P3 yields 6PO3 What would the pressure be if there are 2.75 moles of each gas in a 2.31 L…

A: 9 O2 + 2 P3  --> 6PO3 Given:  Moles of each gas = 2.75 moles Volume of the container = 2.75 L…

Q: Complete the table. [K: /18] What type of reaction is involved in the If there is a reverse…

A: The above question is about synthesis or various Organic molecules.

Q: The Van't Hoff equation estimates the Ws of a O True O False

A: False. Van'f Hoff determines the relationship between equilibrium constant with temperature.

Q: The acid-dissociation constants of phosphorous acid (H3PO3) are Ka1 = 7.5 x 10 3, Ka2 = 6.2 x 108,…

A: Dissociation constant are based on ion of H3PO3 .

Q: The partial pressure of carbon dioxide in the atmosphere is 0.000314 atm. Calculate the partial…

A: Convert partial pressure from atm to KPa --

Q: 2) An individual plasma [Na+] is measured and found to be 130 mEq/L (normal = 145 mEq/L). What is…

A: Osmolality is concentration of all particles dissolved in a body fluid. It is effected by blood…

Q: Chemistry written by hand.    Calculate the concentration of F- using M1V1=M2V2 if 0.027g of NaF…

A: Given the mass of NaF taken = 0.027 g  Volume of the solution prepared = 250.00 mL

Q: if 10.0g of NaCI is dissolved in 5.0L of what, what is the resulting molarity

A: Given-> Weight of NaCl = 10.0 gm Volume of solution= 5.0 L

Q: Which of the following ions is isoelectronic with Kr? A. Na+ B. S-2 C. Se-2 D. Ca+2

A: ✓Ions and atoms which are having equal numbers of electrons are called the isoelectronic species.