MCPBA

Q: At what temperature (in °C) will a solution in which 66.28 grams of iron (III) chloride has been add...

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Q: (Q70) Calculate the osmotic pressure (in atm) of a solution containing 3.31 grams of sucrose (C12H22...

A: Given: Mass of sucrose = 3.31 g The volume of solution = 433.6 mL Temperature = 24.7°C Standard da...

Q: Which of the following physical and chemical properties is NOT observed for ethane, C2H6? burns vigo...

A: Which of the following physical and chemical properties is NOT observed for ethane, C₂H6?  burns vig...

Q: Explain the following using the principle of colligative properties.  Antifreeze or coolant is a li...

A: Cars' radiators requires a coolant to extract the heat from them, so that the temperature of car eng...

Q: A 100.0 g sample of solid ammonia is heated from –77.65 °C to –40 °C. How much heat (in kJ to two de...

A: Mass of solid ammonia = 100 gram Initial temperature = - 77.65℃  Final temperature = - 40℃  The ammo...

Q: What of the following statements is true with regard to the rate-determining step of a reaction mech...

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Q: Intermolecular Forces: Phase Changes & Properties Objectives: 1. Interpret the heating curve of su...

A: A question based on intermolecular forces that is to be accomplished.

Q: Hard bases have filled orbitals and empty orbitals could be seen at high energy levels.

A: Hard Bases have  a Weakley polarisable electron and these are Lewis bases. For examples- Amines, amm...

Q: Five samples of neon gas are described in the table below. Rank the samples in order of increasing a...

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Q: It takes 60 mL of a 0.25 M NaOH solution to neutralize 0.15M of an HCI solution. What is the volume ...

A: Given that: Volume of NaOH = 60 mL = 0.06 L Molarity of NaOH = 0.25 M Molarity of HCl = 0.15 M Volum...

Q: 44. How many grams are required to create 350. mL of a 1.42 M NaCl solution? 237 g 0.237 g 8.50 x 10...

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Q: One gram of lysozyme from chicken egg white is added to 10 mL of a 10 mM phosphate buffer saline sol...

A: 1gm Lysoxyme =1/14307 mol = 0.00007mol  

Q: A certain weak acid, HA, has a K, value of 4.6x10-7. Percent ionization for a weak acid (HA) is dete...

A: Answer: When a weak acid is added in water, its partial ionization takes place whose degree depends ...

Q: 2mo) - of Hel cl (Akyne) (geme emnal dichlonde)

A: More substituted carbocation is major product as more substituted carbocation is stabilized by +I ef...

Q: 10. the unit of specific gravity is O a) gm/cc O b) gm O c) unitless O d) none of the above

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Q: How do you convert glucose into moles on this question? Would you take the 35g and divide it by mola...

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Q: Draw a cyclohexane chair with 3 substituents in the most stable conformation. Explain why the confor...

A: Conformer are the spatial arrangement of atoms in a molecule

Q: 4) Will a weakly acidic drug be fully ionized in the small intestine and why?

A: A weak acid is an acid which does not dissociate completely in solution. This means that a weak acid...

Q: this is the spectral data for 4-cyclohexene-cis-1,2-dicarboxylic anhydride 1. Assign the peaks in t...

A: The structure of the unknown molecule can be derived by analyzing the reports of proton-NMR, 13C-NMR...

Q: 500.0 g of acetone is heated from –100.0 °C to 60 °C. How much heat (in kJ to two decimal places) is...

A: Given,  Mass of acetone, m = 500 g = 0.5 kg  Change in temperature, ∆T = 60-(-100) = 160 °C Cp for a...

Q: 1. CH3M9BR 2. H20

A: The given reactant is a epoxide and the possible site for nucleophilic attack depends on the substit...

Q: Identify which part of their structure are responsible for the molecule absorbing UV light at 267 nm...

A: To identify which part of the structure is responsible for the molecule absorbing UV light at 267 nm...

Q: 2) A sample of 0.892 g of potassium chloride (KCI) is dissolved in 54.6 g of water. What is the perc...

A: The formula for finding the mass percent is given by: Mass % = mass of solutemass of solute + mass o...

Q: If it takes 67 mL of 3 M KOH to neutralize 480 mL of sulfuric acid (H2SO4) solution, what is the con...

A: Sulfuric acid ( H2SO4 ) reacts with potassium hydroxide ( KOH) to produce potassium sulfate       ( ...

Q: The lattice energy of an ionic solid is lowest if a) the distance between the ions is low b) the cha...

A: The enthalpy change during the formation of one mole of ionic crystal from one mole of gaseous catio...

Q: Bath salts such as Epsom contain hydrate salts such as MgSO4 7H20 (magnesium sulfate heptahydrate). ...

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Q: What masses of dimethylamine and dimethylammonium chloride do you need to prepare 2.00 L of pH = 12....

A: Dimethyl amine, (CH3)2NH is a weak base and dimethylammonium chloride, (CH3)2NH2Cl is conjugate acid...

Q: 7. The reaction (Tindak balas): 2HO2 (g)→ H2O2 (g) + O2 (g) With regard to HO2, calculate the reacti...

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Q: Explain what is meant by the terms (a) saturated solution; (b) solubility; (c) sparingly soluble sal...

A: With regards to the terms , to form a solution we must have idea of what these terms mean like solub...

Q: Calculate the energy of photons from monochromatic radiation for which the wavelength is 234.5 nm.

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Q: The normal boiling point of a certain liquid X is 141.40 °C, but when 20. g of glycine (C,H,NO,) are...

A: To calculate molal boiling point elevation constant , we first find moles and than molality.

Q: 1.2 (i) pH Volume (mL) of 0.1 M NaOH m Above is the titration curve of a weak acid (200 mM acetic ac...

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Q: sample of an alloy containing only platinum and cobalt is reac Calculate the mass percent of platinu...

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Q: The termination step of radical halogenation involves homogenic bond formation. Select the correct r...

A: True. 

Q: Which of the following are isotopes? Atom or ion A QR MGEL # of electrons 5 9 18 28 36 5 9 # of prot...

A: Isotopes are the species that has same number of protons but different number of neutrons.

Q: Which of the following liquids would have the highest viscosity at 25°C? A. CH3OCH3 B. CH2CI2 C. C2H...

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Q: 4. A 1 mol sample of an ideal gas is expanded sothermally at 27 C from an initial pressure of 3 atm ...

A: Number of moles of gas = 1 mole  Process is isothermal which means temperature is constant, which is...

Q: Bromine (Br2) and the interhalogen ICI have almost identical molecular weights, yet ICI boils at a t...

A: Interhalogen compound are those in which two difference halogens are involved in chemical bonding.

Q: What is the freezing point of a solution made from 785.5 grams of benzene to which 60.9 grams of the...

A: Given, Mass of non electrolyte cyclohetene solute = 60.9 g Mass of benzene solvent = 785.5 g = 0.785...

Q: Block 1 and block 2 are two unknown metals in contact with each other in an isolated space (meaning,...

A: Block 1 and block 2 are two unknown metals. They are placed in closed contact in a isolated space an...

Q: 3. Which of the following correctly states how the viscosities of a liquid and a gas will change wit...

A: We know viscosity is the property of fluids to resist movement of molecules . Withincrease of temper...

Q: A 2.5-g sample of groundwater was found to contain 5.4 mg of Zn?* What is the concentration of Zn2" ...

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Q: The oxidation of SO2 to SO3 by O2 can involve NO2. The reaction proceeds according to the following ...

A: The answer is as follows:  

Q: Calculate the energy of photons from monochromatic radiation for which the wavelength is 234.5 nm.

A: Wavelength of radiation = 234.5nm

Q: Part A Phenylacetic acid (C6H5CH2COOH) is one of the substances that accumulates in the blood of peo...

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Q: A mixture of 10.8 grams of NO and 14.0 grams of NO2 results in the production of 16.5 grams of N2O3....

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Q: What is the lowest possible coefficient of hydrofluoric acid in the balanced chemical equation repre...

A: The balanced chemical equation for the reaction of sulfur tetrafluoride with water to produce sulfur...

Q: For the equilibrium PCI, (g) PCI, (g) + Cl,(g), the correct equilibrium constant for the forward rea...

A: Given,  PCl5(g) ⇌ PCl3(g) + Cl2(g) 

Q: What concentration of Cl¯ results when 859 mL of 0.519 M LiCl is mixed with 675 mL of 0.299 M MgCl, ...

A: Given, Volume of LiCl = 859 mL Concentration of LiCl = 0.519 M Volume of MgCl2 = 675 mL Concentratio...

Q: SOLVE THE PROBLEM AND SUBMIT YOUR SOLUTION. For trans-1-ethyl-4-methylcyclohexane: a) Draw its chair...

A: We have been asked to draw the chair conformation for trans-1-ethyl-4-methylcyclohexane and to deter...