The freezing point of pure benzene (CH) is 5.49 °C. The freezing point of a solution made using toluene (C₂H₂) in benzene is determined to be -13.0 °C. What is the molality of the toluene? (Kf benzene = 5.12 °C/m)

Q: A weather balloon is inflated with helium (He) gas to a volume of 1.93 L at an ambient temperature…

A: This question is related to gas laws. Gas laws relate the pressure, temperature and volume of a gas.…

Q: On the back of this page create another flow diagram for a mixture of the same three solids--AgCl,…

A: Hot water dissolves NaCl and PbCl2 in the step 1 of the separation. AgCl(s) gets filtered out in the…

Q: HCI H₂C=CH₂ - Draw the molecule on the canvas by choosing buttons from the Tools (for bonds and…

A:

Q: A chemist mixes 45.7 g of carbon tetrachloride with 98.4 g of 2-ethyltoluene and 31.1 g of…

A:

Q: niline a) c) -NH₂ is best prepared by Ya C. NH CEN H₂/Ni e) -NO₂ 1) SnCl₂ /HCI 2) NaOH, H₂O b) d)…

A: As NH2 is the most reduced form , thus for the formation of aniline , reduction should require not…

Q: 95. Rank the following alkyl bromide from most reactive to least reactive in a solvolysis reaction…

A: : Solvolysis ∝ stability of carbocation

Q: Find the radius (in centimeters) of a water droplet with a volume of 0.058 mL. You can assume the…

A: The volume of the water droplet is = 0.058 mL The radius of the water droplet is =? We know that the…

Q: Draw the major addition product for this reaction. Do not include any byproducts formed. -- HBr (1…

A: The additional reactions are those reactions in which simple molecules are combined to form a larger…

Q: If light has a wavelength of 715 nm, what is the energy of this light expressed with units of…

A:

Q: Predict the final product(s) obtained when (2R,3R)-2-bromo-3-methylpentane is subjected to the…

A: This problem is based on hydrocarbon reaction mechanism. The reaction involved are Beta elimination…

Q: 1. 3+ 9. Consider the following statements regarding magnetism of two complexes: [CoF6] ³ is a…

A: In a complex ion or molecule, the metal ion provides vacant orbitals and the ligand donates its lone…

Q: Use the following made up equivalencies to answer the following questions: . 30.5q equals 1s 13.2s…

A:

Q: Draw the structure(s) of the major organic product(s) of the following reaction. aqueous HCI

A:

Q: Write the molecular and empirical formulas of the following compounds. (a) CI H Si-Cl CI-SI-H CI…

A: There are mainly two types of chemical formulas to represent a molecule- molecular formula…

Q: Generate a MO diagram for each of the following compounds. Use appropriate relative energies for the…

A: As per the student's request I am solving only for BN2- .

Q: 82) (a) Rank of following dienes in order of increasing heat of hydrogenation: (b) (1) (a) I< III <…

A:

Q: 205. mg of an unknown protein are dissolved in enough solvent to make 5.00 mL of solution. The…

A: Use the formula of osmotic pressure to calculate the concentration of the protein sample in the…

Q: 11.4 Which nucleophile in each pair is more reactive? -C=N_or-OCH3 (pka - 9) (a) (pka - 16) (b)

A:

Q: A chemist prepares a solution of magnesium bromide (MgBr₂) by measuring out 45. mg of MgBr₂ into a…

A:

Q: Use the bond dissociation energies from the table to calculate an approximate Delta H° (in…

A:

Q: (a) How much of the adsorbent is required to recover 90% of the solute from 1000 kg of 10% solution?…

A: (a) To recover 90% of the solute from 1000 kg of 10% solution, we can use the following equation: Y…

Q: What reagents are needed to convert (CH3CH2)3CC=CH to each compound? a. (CH3CH₂)3CCOCH 3 b.…

A: A reagent is defined as a “substance or compound that is added to a reaction mixture in order to…

Q: 7. the normal analytical concentration of K3 Fe(CN)6 8. pK+ for the solution 9. pFe(CN)6 for the…

A: The answer for this problem is provided below in great details within the attached figures.

Q: A student dissolves 16. g of urea not change when the urea dissolves in it. Calculate the molarity…

A:

Q: 11.7 How might you prepare this molecule using a nucleophilic displacement of an alkyl halide? CN

A:

Q: Compound X has a molar mass of 134.12 g-mol and the following composition: element mass % carbon…

A: Answer: Molecular formula is the way of representing the molecule in which chemical formula tells us…

Q: The reaction   is first order in N2O5. For this reaction at 45oC, the rate constant k = 1.0 × 10–5…

A:

Q: Draw the product that could be formed when 1,3- butadiene reacts with methylpropionate. Ignore…

A: The Diels-Alder reaction is a chemical reaction between a conjugated diene and an alkene, resulting…

Q: Decide whether these proposed Lewis structures are reasonable. proposed Lewis structure HIN H-N-H…

A: According to octet rule this rule atoms with more or less than eight valence electrons tend to gain…

Q: 10) The product of the following reaction is: ooooo b) H₂O OH

A:

Q: Since you can write a balanced chemical equation, you can also utilize your stoichiometry for these…

A: Answer: When in a chemical reaction acid and base solutions are mixed they react with each-other to…

Q: Draw the product of the reaction shown below. Use wedge and dash bonds to indicate relative…

A:

Q: Calcium has a cubic closest packed structure as a solid. Assuming that calcium has an atomic radius…

A: Given data is  The structure of Calcium is a cubic closest packed structure. The atomic radius of…

Q: Arrange the given bent molecules in order of decreasing dipole moment. H₂O H₂S H₂ Se H₂ Te Largest…

A: A dipole moment is the measure of the strength and direction of a molecule's electric dipole. It is…

Q: How is the purity of a crystalized solid assessed?

A: Crystallization can be defined as the process of solidification of a liquid substance into a solid…

Q: 18) The hydrocarbon which can exist in cis-trans forms is: CH₂

A: The cis-tans isomerization is a type of stereoisomerism. The molecule which contains a double bond…

Q: A water soluble of sulfuric acid has a density of 1.67g/mL and is 75% H2SO4 by mass. How many moles…

A: We have to first convert the volume into mass by using density.  Density=mass/volume  And number of…

Q: Draw the structure of the following polymers and indicate the polymerization type responsible for…

A: a) Poly(ethene terephthalate) -

Q: a. 10. Write equations for the reactions that would produce each of the following products: Br

A: The given compounds are, a). Bromobenzene b). Chlorobenzene c). Nitrobenzene   Find: Write the…

Q: 5) Bacteria are digesting sugar and produce methane gas. How many liters of methane(CH₂) is produced…

A: Given Pressure= 3 atm Temperature= 400 K R = 0.082 Mass of sugar = 500g Molar Mass of sugar = 180g

Q: Calculate the change in E when 836g of CO2 sublimes at -78.5 C CO2 (s) -> CO2 (g) ΔH= +26 kJ

A:

Q: Draw the product of the reaction shown below. Use a dash or wedge bond to indicate stereochemistry…

A: •Here we have to complete reaction in between given reactant. •Given reactant are :-

Q: ategies, you n of ▼ Part A If two such generic humans each carried 1.5 C coulomb of excess charge,…

A: When two electric charges q1 and q2 are placed at a distance(r) from each other , the electrostatic…

Q: 27 Determine if the organic substrate is oxidized or reduced in the following reaction. Select the…

A: Organic reactions are those in which organic reactant react to form organic products. In the given…

Q: Answer the questions below about the highlighted atom in this Lewis structure: H 0 C 0 HIC-H IH H In…

A:

Q: 1. A friend claims that a metric ton is more than twice the mass of an English ton because a…

A: 1. A friend claims that a metric ton is more than twice the mass of an English ton because a…

Q: A uranium block has dimension 17 cm x 28 cm x 4.5 cm. If the block has a mass of 89.4 lbs, what is…

A: The answer for this problem is provided below in great details within the attached

Q: calculate Delta H in kJ for the synthesis of hydrazine from ammonia 2NH3 (g) + Cl2 (g) ——> N2H4 (g)…

A: Answer: Chemical reaction is the process in which breakage of old bonds and formation of new bonds…

Q: Draw the corresponding general mechanism of a tertiary amine with an acyl halide.

A: Usually amines reacts with acyl halide to forms amide. Primary amine reacts with acyl halide to form…

Q: In especially cold climates, methyl alcohol (CH3OH) may be used as an automobile antifreeze. If the…

A: This problem is based on solutions chapter of chemistry and we will use colligative properties of…

Solutions

Solutions can be considered as homogeneous mixtures which contain two or more than two chemical substances. The chemical substance which is the greater part is defined as solvent. And the chemical substance that is dissolved in a solvent is referred to as solute. Solution chemistry plays an important role in chemistry since it supports many commercial applications of solutions.