User Account

All Pages

Explain what is the freezing point of his solution

Assignment Help Chemistry
Reference no: EM13696452

Problem- An aqueous solution has a normal boiling point of 103 c. What is the freezing point of his solution? For Water Kb= 0.51 C/m and Kf= 1.86 C/,

Answer showing how to make each solution will get rated

Reference no: EM13696452

Questions Cloud

What is the concentration of n2o5 after 12.5 minutes : Problem- The first-order decomposition of N2O5 at 328 K has a rate constant of 1.70 . 10-3 s-1. If the initial concentration of N2O5 is 2.88 M, what is the concentration of N2O5 after 12.5 minutes
The second-order decomposition of no2 has a rate constant : Problem- The second-order decomposition of NO2 has a rate constant of 0.255 M^-1 s_1. How much NO2 decompses in 4 s if the initial concentration of NO2 (1 L volume is 1.33
Calculate the molar solubility of mn(oh)2 in a solution : Problem- the value for Ksp for Mn(OH)2 is 1.6x10^-4M. Calculate the molar solubility of Mn(OH)2 in a solution that contains 0.020M NaOH.
Prepares solution by mixing acetic acid and sodium chloride : Problem- A student prepares a solution by mixing 20mL of 0.1M acetic acid and 20mL of 0.1M sodium chloride. What happens to the pH of the solution if
Explain what is the freezing point of his solution : Problem- An aqueous solution has a normal boiling point of 103 c. What is the freezing point of his solution. For Water Kb= 0.51 C/m and Kf= 1.86 C/,
Draw the lewis structure for ch2 : Problem- Draw the Lewis structure for CH2. Which of the following statements is the valence bond description of the bond between carbon and oxygen in this molecule
Describe the basic features of the rdb model : Describe the basic features of the RDB model and discuss their importance to the end-user and the designer.
What is the relative stability of alpha and beta-d-glucose : Problem- What is the relative stability of alpha and beta-d-glucose pentaacetate. how can you account for the product mixtures that form under conditions of acidic and basic catalysis in the synthesis of alfa and beta D-glucose pentaacetate
How the i-cl bond is polarized and predict the product : Problem- Consider how the I-Cl bond is polarized and predict the product which results when this mixed halogen adds to 1-methylcyclohexene. Include relevant region- and/or stereochemistry in your product's structure.

Reviews

Write a Review

Chemistry Questions & Answers

  Compute the amount of heat energy lost by the water

A 5.00g sample of water vapor, initially at 155C is cooled at atmospheric pressure, producing ice at -55C. Calculate the amount of heat energy lost by the water sample in this process, in kJ.

  What is the total entropy change delta s for the water

Question- If 1.0 mole of H20 (l) is heated in a reversible process from 25-100 degrees C in a metal crucible (container) at constant pressure, what is the total entropy change, delta S for the water

  The stereospecificity of the bromination

The product of this reaction contains two stereocenters. Due to the stereospecificity of the bromination and the symmetry of the product, however, only the meso-diastereomer of stilbene dibromide is produced.

  Explain in detail ph is required to precipitate the maximum

A 0.050 M H2S solution contains 0.20 M NiCl2 and 0.35 M Hg(NO3)2. What pH is required to precipitate the maximum amount of HgS but none of the NiS

  Evaluate the molecular weight of the reactants

Write balanced chemical equation and evaluate the molecular weight of the reactants and Calculate the molecular weights of the reactant.

  Explain titration of citric acid in orange juice

Complete the following table for this titration. Data Table P2: Titration of citric acid in orange juice with sodium hydroxide. concentration of OH-: 0.0769 M volume orange juice: 9.40 mL mass orange juice: 9.56 g volume of OH- solution

  Could uv lamps be used to break the c-c bond

What is the minimum wavelength of light needed to break the C-C bond? Could UV lamps be used to break the C-C bond?

  Compute the equilibrium pressure of n2o4

calculate the equilibrium pressure of N2O4(g) and NO2(g). (c) What percentage (by moles) of the original N2O4(g) is dissociated at the new equilibrium position (total pressure = 1.00 atm)?

  Explain what fraction of active sites are filled

If the Km of the above enzyme is 12 mM, calculate the substrate concentration needed to achieve 40% of maximal velocity. Then what fraction of active sites are filled at 40% maximal velocity

  Explain the pka for the alpha-carboxylate

Which of the following peptides has a pI close to 5.5? Assume that the pKa value of the alpha-amino group is 9.6 and the pKa for the alpha-carboxylate group is 2.3. A. Ser-His-Arg-Asn

  Describe the particles are in constant motion

The particles are in constant motion. The collisions of the particles with the walls of the container are the cause of the pressure exerted by the gas.

  The understanding of le chatelier''s principle is fundemental

An understanding of Le Chatelier's principle is fundemental to the study of chemistry and helps us to understand everyday situations.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +1-415-670-9521

Phone: +1-415-670-9521

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd