The pH of a 0,200 mol dm-3 solution of the weak base pyridine, CSH5N, is 8,59. Draw up a concentration table for the reaction of 0,200 mol dm-3 pyridine with water, and calculate К. 7.

Q: Number 6

A: Meters (m) and miles (mi) are the units of length. The relation between meter and mile is expressed…

Q: Which of (a)-(d) indicates the correct order of chemical shifts of the four carbons in the 13C-NMR…

A:

Q: What type of sti Hould you expect sodium chloride to have a high or a low melting poim? Explain your…

A: Interpretation: We have to tell what type of structure NaCl have.

Q: 6. Uranium hexafluoride is a solid at room temperature, but it boils at 56°C. Determine the density…

A: Density = 12.85 g/L

Q: 9. If you pour 60 grams of KCl into 100 g of water at 70°C, and stir vigorously, which type of…

A: 9. Given information,   Mass of KCl = 60 g   Mass of water = 100 g   Temperature = 70oC

Q: 9. a. Calculate the pH of a solution that is 1.00 M HNO₂ (Ka = 4.00 x 10-4) and 1.00 M NaNO₂.

A:

Q: 6. Calculate the percent dissociation of 0.10 M hydrazoic acid (HN3, Ka= 1.9 x 10-5). Recalculate…

A: Answer: Hydrazoic acid is a weak acid and we have to study the common ion effect on its dissociation…

Q: dissolved in 5) Intravenous (IV) saline solutions are often administered to patients in the…

A: Molarity is defined as total number of moles of solute dissolved in 1000 ml of solution…

Q: 7. At 25°C, an aqueous solution of AlBr3 will have: (a) pH >7 (b) pH = 7 %3D (c) pH < 7

A:

Q: At 25 °C, 14.76 g of menthol was dissolved in n-propanol resulting in a 1.50 L solution.…

A: Given, Mass of menthol (m)= 14.76 g Volume of the solution (V) = 1.50 L Temperature (T) = 25°C = (25…

Q: 8. A company delivering crates of soap ships their cargo on pallets. A single pallet contains 6.00…

A: 8) Given: Number of pallets = 2 pallets Number of crates in 1 pallet = 6.00 crates. The number of…

Q: ow many grams of Ag(s) (107.9 g/mol) could be plated out on the cathode of an electrolytic cell by…

A:

Q: 12. Imagine that you have two samples, compound “A" and compound “B", both are liq at -250°C. You…

A: Since your question has multiple parts, we will answer the first question for you. If you want…

Q: OTI T 12. At one time, silver sold for $5.03 per ounce. If the density of silver is 10.5 g/cm2,…

A: Given: Density of Ag = 10.5 g/cm3. Volume of Ag = 8.91 cm3  And price of Ag = $ 5.03 per ounce.

Q: 6. If there is a direct relationship then k =P/N. If there is an inverse relationship, then k= P x…

A: Boyle's law: At constant temperature, the pressure of given mass of a gas is inversely proportional…

Q: 5. The initial volume of a balloon is 118 mL. If the pressure of the gas inside the balloon changes…

A:

Q: 7. When nitromethane, CH3NO2 (molecular mass = 61.05 g/mol) is burned the following reaction occurs:…

A:

Q: Consult a table of standard reduction potentials and determine which of the following reactions are…

A: Standard electrode potential is the electrode potential that is measured under standard conditions…

Q: 10 neat (d) Word Equation: 11 no visible reaction 12 orance > rust Color not mixed (d) Word…

A:

Q: Calculate the mass of solute needed to create 250 mL of 0.1M solution knowing the molecular weight…

A: We have the Molarity  , volume of solution along with molar mass of the solute is given . We want…

Q: Number 7

A: The unit conversion of has to be found.Given,Weight of truck is 1.45×103 pound

Q: QUESTION 11 The tail of the curved arrow must start at electron density and the head must end at O…

A: If you are mentioned number 11. So that I am answered that one question only.

Q: A karat is a measure of gold purity. By definition, 24-karat gold is pure gold. However, gold is…

A: 5) Given: Mass of ring = 6 g. And mass percent of gold in ring = 90 %.

Q: g 4. Explain the terms "latent heat of fusion" and "latent heat U of vaporization."

A: Fusion is defined as the process of conversion of solid into liquid state.  Vaporization is defined…

Q: 10. A sample of xenon gas has a volume of 7.50 L at 35°C and 675 mmHg. What is the final pressure of…

A:

Q: 1.0 0.5- 100 200 300 400 Temperature (K) (a) Estimate the normal boiling point and freezing point of…

A:

Q: 11) An athlete in El Paso takes a deep breath, inhaling 1.99 L of air at 25 °C. If the average…

A:

Q: 11) Show how the following product can be made from benzene. AlCl3 1 2) / 3) 2₂ (H₂), heat, HCI

A:

Q: Assume that the reaction below is at equilibrium. A stress is then applied as described. Click on…

A:

Q: 『 ニ 1bU • 160 10. A solution containing 0.050 g of an unknown nonelectrolyte in 2.50 g of…

A: Given,  Cyclohexane (solvent) = 2.5 g = 0.0025 kg , unknown non-electrolyte (solute) = 0.050 g,  Kf…

Q: Determine the position that is most likely to be the site of an EAS reaction in the compound below:…

A: Site for an EAS in case of disubstitued benzene is decided as follows:

Q: Molar mass of a volatile liquid In Molar mass of a volatile liquid experiment, a student collected…

A: Here we are required to find the molar mass of volatile liquid . We know 1L=1000ml

Q: 6. What is the frequency of a light source that has a wavelength of 620 nm? What is the energy this…

A: Wavelength of the wave = λ= 620 nm = 620×10–9 m We need to calculate frequency and energy of this…

Q: Calculate the fraction of CO32: HCO3 at pH=9.00 Given H₂CO3(aq)H(aq) + HCO3(aq) Assume [H][HCO,]…

A: pH = 9.0Ka1 = 4.3 × 10-7Ka2 = 4.8 × 10-11We have calculate fraction of CO32-: HCO3-2-: HCO3-

Q: COOH NO2 Br

A:

Q: Design syntheses to produce the following compounds starting with any alcohol with 3 or less carbons…

A: We have to design the synthesis for the following given compounds with any alcohol with 3 or less…

Q: Oraw the necessary base and electrophile to prepare the following alkenes as maj USION

A: Alkene are unsaturated hydrocarbon having carbon-carbon double bond. They have general formula…

Q: 5) Why does copper (Cu) easily lose and electron from its s subshell instead of its d shell when…

A: To answer 5 th question we first need to determine configuration of copper . The half filled and…

Q: * 10.00 mL of vinegar (mass 10.05 g) requires 16.28 mL of 0.5120 M NAOH to reach the end point.…

A:

Q: Identify the predominant type of intermolecular force in each of the following compounds. Drag each…

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Q: 4. Balance the following redox equation by the oxidation number method: Cl2Osg + COg Cl + CO28…

A:

Q: Design syntheses to produce the following compounds starting with any alcohol with 3 or less carbons…

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Q: Using data from the table below, write the equilibrium-constant expression and calculate the value…

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Q: 1. CH;COCI (c) 2. H2, Pd/C 3. NBS, ROOR

A:

Q: 2) For a separate job, you are asked to assemble a number of tricycles by attaching wheels to the…

A: No. Of complete frames=70 No.of rear wheels=123 No. Of front wheels=74 For 1 complete tricycle, no.…

Q: 9. How many grams of a gas can occupy a cylinder with a diameter of 1.5 dm and a height of 8.00 in…

A: 9. Given that : Diameter of the cylinder = 1.5 dmHeight of the cylinder = 8 inchDensity of the gas =…

Q: Number 4 5 and 6

A:

Q: 1₁ -2.02 -loy (2.012) = 2 + x y 2012 2012 201 CH LPH-0.304 6. Sodium azide, NaN3, is sometimes added…

A:

Q: Number 5

A: The time required in order to take all platinum present in given solution is calculated as follows…