Define the freezing point of pure water

Assignment Help Chemistry
Reference no: EM13279497

when 0.60 grams of a molecular covalent compound is dissolved in 10 grams of water, the freezing point of the soludion is -1.86 C. Given that the freezing point of pure water is 0 C and that the freezing point depression constant for water is 1.853 (C kg)/mol calculate the molar mass (g/mol) of this compound

Reference no: EM13279497

Questions Cloud

Find the energy stored in the inductor at 200 ms : a) Find the voltage across the inductor for t > 0. (Assume the passive sign convention.) b) Find the power (in microwatts) at the terminals of the inductor when t = 200 ms. c) Is the inductor absorbing or delivering power at 200 ms
How much work is done on the toboggan by the tension force : A person pulls a toboggan for a distance of 40.1 m along the snow with a rope directed 21.3 ° above the snow. How much work is done on the toboggan by the tension force
What is the payback period for both projects : Therefore, a)reject or B) accept project A and a)reject or B) accept project B(Round your answers to 3 decimal places. (e.g., 32.162)) What is the payback period for both projects?
Compute the angular acceleration as a function of time : A fan blade rotates with angular velocity given by ?z(t)= ? ? ? t2, where ? = 4.60rad/s and? = 0.795rad/s3, Calculate the angular acceleration as a function of time
Define the freezing point of pure water : Given that the freezing point of pure water is 0 C and that the freezing point depression constant for water is 1.853 (C kg)/mol calculate the molar mass (g/mol) of this compound
Explain how much heat energy is liberated : How much heat energy is liberated when 11.0 grams of manganese is used in the formation of Mn2O3
How much quiz time do the students lose : The minute hand of the Official Quiz Clock points to the 12 and is functioning normally until the quiz begins, How much quiz time do the students lose
What is champagne free cash flow for 2008 : The firm purchase $700,000 of equipment during the year while increasing its inventory by $500,000 (with no corresponding increase in current liabilities). The marginal tax rate for Champagne is #0 percent. What is Champagne's free cash flow for 2..
Explain what is the pattern formed in the photoresist : Gratings are often written into photoresist by interference (superposition) of optical beams. In other words, the standing wave formed by the overlap of multiple plane waves produces a (useful) exposure pattern.

Reviews

Write a Review

Chemistry Questions & Answers

  Define liquids flow quickly as measured by the speed

Liquids "flow" quickly as measured by the speed at which a small amount of liquid will spread itself out to form a puddle. What does this behavior imply about the speeds at which the individual liquid particles are moving relative to each other?

  Empirical and molecular formula what are both the empirical

empirical and molecular formula what are both the empirical and the molecular formula for the compounds described

  Compute an overall energy change

Use the data given to calculate an overall energy change (in kilojoules per mole) for the formation of CsF2 from its elements.

  What is the percent hydrogen (h) by weight

What is the percent hydrogen (H) by weight of a solution containing 53.5mL of CH3COCH3? The density of acetone is 0.788 g/mL.

  State calcium cyanamide reacts with water to form ammonia

Calcium cyanamide, CaCN2, reacts with water to form calcium carbonate and ammonia; CaCN2(s)+3H2O(l)-->CaCO3(s)+2NH3(g). a) How many grams of water are needed to react with 75.0 g of CaCN2

  How many grams of sodium hydroxide are needed

How many grams of sodium hydroxide are needed to react completely with 50.1 mL of 0.145 MCoCl2 solution?

  What is the vapor pressure of a solution

What is the vapor pressure of a solution that contains .944 moles Ba(NO3)2 and 30 moles of H2O? The vapor pressure of pure water at the same temperature as the solution is 46 torr

  Compute the ph of the solution after the volumes of base

A 20.0-mL sample of 0.200 M HBr solution is titrated with 0.200 M NaOH solution. Calculate the pH of the solution after the following volumes of base have been added.

  Describe the lowest possible whole number coefficients

When the following reaction is balanced in acid solution using the lowest possible whole number coefficients, the coefficient of H+ will be: S8 + NO3- --> S4O62-+ NO2

  Explain the freezing-point depression

The freezing-point depression of a 0.100 m (molality) MgSO4 solution is 0.225 degrees Celsius. Determine the experimental van't Hoff

  The decomposition of the reaction can be represented

The reaction can be represented as {\rm 2 NI_3 (s)\rightarrow N_2 (g) + 3 I_2 (g)},~{{\Delta H}}_{\rm rxn} = -290.0~{\rm kJ} Find the change in enthaply when 16.0g of \rm NI_3 decomposes.

  Explain carbohydrate and monosaccaride and disaccharide

Define the following terms: carbohydrate, monosaccaride, disaccharide, polysaccaride. Give an example of a simple sugar and name the functional group associated with your example.

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!

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