Given NaOH pellet and water, write down the procedure to make a concentration gradient of 0, 0.1, 0.2, 0.4, 0.8, 1.6 mM (1mL each).

Q: Use data from the Appendix and ∆H° for the following reaction to determine the enthalpy of…

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Q: A solution has 5.25 mmol L-1 total phosphate (pKa = 2.1, 6.8, 12.4). If the pH of the solution is…

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Q: Look up the structures and melting points for acetanilide and salicylic acid. Predict whether the…

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Q: The following information is given for antimony at 1atm: AHvap (1440 °C) 195 kJ/mol AHfus (631 °C):…

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Q: In which of the following compounds will an sp hybridization be observed? Select one: O O O O OCH3…

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Q: Why are carbon dioxide and water vapor called selective absorbers?- PROVIDE AND ILLUSTRATION OR…

A: Carbon dioxide and water vapour are called selective absorbers.Let's discuss.

Q: 23. Given the following: (a) NH3 (b) NaOH (c) H₂O (d) BH3 The Bronsted Base(s) is(are) (a) NH3 (b)…

A: 3) Bronsted-Lowry acid base theory: According to this theory acid is a substance which donates H+…

Q: Use the References to access important values if needed for this question. Complete the table below…

A: Here, we have to find the molar mass of chromium (II) bromide.

Q: 26. Which of the following has a hydrophilic side chain? I.N II. L III. G I only OI and II OII and…

A: Note: According to our guidelines we are supposed to answer only one question.kindly repost other…

Q: Which of structures (a)-(d) is the most important resonance contributor for this compound? i i CH₂…

A: Resonance structure: If the Lewis structure of a molecule or ion cannot explain by a single…

Q: Checkpoint #17 Given the following equilibrium reaction: (1)CC) (1)(1) H₂O(g) + CO (g) = H₂(g) +…

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Q: Write the oxidation half reaction for the ionization of Zn atom to a Zn+2 ion.

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Q: Table 1. Listed below are the common metals with different masses. These metals also have different…

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Q: WHY IS DIETHYLAMINE MORE BASIC THAN METHYLAMINE? ( PROVIDE STRUCTURE)

A: Basicity is defined as tendency of atom to donate the lone pair of electrons. More the tendency of…

Q: A) 12.4 B) 0.0104 22) The OH concentration in a 0.089M of Ca(OH): solution is B) 0.108 M A) 0.178 M…

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Q: The pH of a 0.1 M acetic acid solution is 2.885. What is the dissociation constant of acetic acid?

A: Given, that the pH of a 0.1 M acetic acid solution = 2.885 We have to find the dissociation constant…

Q: Consider a tripeptide (a peptide that's only 3 amino acids long) composed of one molecule each of…

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Q: gives the concentration of N:Os versus time in the previous question Q14? C) [N20s]-[N2Osloe D)…

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Q: D Question 16 6 pts .6. How would you prepare 1000 micromolar of Heparin from a 100 ml of 0.25 Molar…

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Q: 2.1. Give a detailed mechanism of following products. Show the major product(s) and give the IUPAC…

A: The above given reactions are electrophilic addition reaction. For the electrophilic addition it can…

Q: 2A+B-A₂B What is the reaction rate if k = 2.55 M-2s¹ and [A] = 1.50 M [B] = 1.10 M? Hint: Write down…

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Q: Part of a routine blood test is to check the level of sodium in your blood. It is optimum to have…

A: Molarity of a solution is defined as the moles of solute present in 1 liter of solution. Molarity =…

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Q: Complete the following table: Cation Formula Anion Formula Compound Formula Cr2+ Pb²+ NH4+ SO4²- CI…

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Q: Why is diethylamine more basic that methylation? ( provide structures)

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Q: 4. Given the following: NaOH (c) H₂O (b) NaOH & b (f) a & c O о OF O 6.0 O g O D о J P a (a) BF3 The…

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Q: 1.1 Give the correct IUPAC names of the following compounds: OCH3 OCH3 Na[Ni(NH3)4(NO3)2]…

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Q: Copper has two naturally occurring isotopes, 63Cu (isotopic mass 62.9296 amu) and 65Cu (isotopic…

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Q: Four liquids are described in the table below. Use the second column of order of their boiling…

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Q: Determine the number of hydrogen atoms connected to each carbon atom: The bond-line structure of a…

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Q: Determine the number of atoms per unit cell shown - Zinc blende (cubic ZnS) -

A: First diamgram  n = (1/6×12)+(4×1)+(1/2×2) = 7 Second diagram  n = (1/8×8)+(1/2×2) = 2 Third diagram…

Q: Draw the major 1,2- and 1,4-addition products obtained in the reaction shown. Assume that both are…

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Q: Are the physical properties of a substance, such as color, sufficient to identify the substance? Why…

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Q: 1. How many electrons does carbon have in its valence shell? 2. Carbon most frequently forms bonds…

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Q: 2.7 Fill in the electron lone pairs. How many are there altogether for the two structures?

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Q: When a sample of titanium was supplied 1.00 kJ of energy, the temperature rose 103.5 °C. If the…

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Q: (a) 03 N a2 αι

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Q: Solve equation

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Q: if 0.1L of 0.2 HCL is added to 0.9 L of water what is the resultant pH?

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Q: If to the mixture of a gas of chlorine (40%), oxygen (40%) and hydrogen (20%), in which the density…

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Q: 15. Calculate AH of reaction for the free radical bromination of cyclopentane to give…

A: Answer: Chemical reaction taking place is: C5H10+Br2→C5H9Br+HBr

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Q: 1. What is the freezing point depression for an isotonic solution of morphine sulfate? (Chemical…

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Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.