Compute the change in temperature

Assignment Help Chemistry
Reference no: EM13111031

Compute the change in temperature for 4.50 grams of Calcium chloride CaCl2 dissolved in 90.0 mL of water H2O. (Assume that the calorimeter absorbs no heat )

Recommend a explanation why the phosphorus containing side product from the Horner-Emmons-Wittig reaction is more water-soluble than the OP (C6H5)3 side product obtained from the standard Wittig reaction.

 

Reference no: EM13111031

Questions Cloud

What is the relationship among international diversification : What is the relationship among international diversification and innovation? How does international diversification affect innovation?
Prepare the horner-emmons-wittig reagent : Sodium methoxide CH3ONa is a weaker base than BuLi or nBuLi butyllithium. Recommend an explanation why it is not surprising to find that a weaker base is sufficient to prepare the Horner-Emmons-Wittig reagent.
Illustrate what would it take to reduce the overall demand : Illustrate what would it take to reduce the overall demand for gasoline in the United States? Consider the full range of possibilities from the availability of bike paths to the cost of car insurance.
How scientific method associate to human services research : State the scientific method. How does it associate to human services research? Write down the steps in process of scientific inquiry?
Compute the change in temperature : Compute the change in temperature for 4.50 grams of Calcium chloride CaCl 2 dissolved in 90.0 mL of water H 2 O. (Assume that the calorimeter absorbs no heat )
Allen young conclude the best investment strategy : Allen Young conclude the best investment strategy. Now Young is thinking about paying for a stock market newsletter. A friend of Young said that these kinds of letters could predict very accurately whether the market would be good, fair, or poor.
The attributes of employee comprise employee : An employee's billing rate may vary by project and the industry wishes to record the applicable billing rate (Billin Rate) for each employee when assigned to a particular project.
Compute the expected change in temperature : Compute the expected change in temperature for 1.7 grams of ammonium nitrate NH 4 NO 3 dissolved in 50.0 mili litres of water H 2 O.
What we know about the past dependent on hard-bodied animals : Data indicate that we are currently in the sixth mass extinction event in the history of the earth. The first five mass extinction events are known from fossils of hard-bodied animals that lived in shallow seas. Why is so much about what we know a..

Reviews

Write a Review

Chemistry Questions & Answers

  Determine the mass of water in the flask

Determine the mass of H 2 O in the flask and it's the true volume at 20° C?(at 20°C the Density g/mL=0.9982071,20°C the volume of 1g of water (mL) corrected for buoyancy is 1.0029 )

  Determine how many gms of sucrose are required

A tablet of Vitamin C changed color at 23.7 mLs of Iodine. how do you determine how much vitamin c is in the tablet.

  Determine what is the partial pressure of oxygen

The vapor pressure of water is 28.3 torr at 29°C then determine what is the partial pressure of oxygen collected if a reaction at that temperature produces Carbon Dioxide which is collected over water at a total pressure of 576 torr, ?

  Determine which reactant is reduced

Given chemical reaction is used to produce electricity in lead storage battery that used in automobiles generally.

  Significant figures for each of the values

Find out the exact significant figures for each of the values - Indicate the number of significant figures

  Determine the concentration of the original na2c2o4

Determine the concentration of the original Na 2 C 2 O 4 solution and disodium oxalate in the presence of excess acid.

  Dehydration upon heating with concentrated sulphuric acid

Dehydration upon heating with concentrated sulphuric acid without carbocation rearrangement?

  How many calories of heat needed to increase the temperature

Calculate how many calories of heat are needed to increases the temperature of 550 grams H2O from 12 degree celsius to 18 degree celsius?

  Compute the reactor volume and space

Compute the reactor volume and space time to get 90% conversion in a PFR and in a CSTR

  What time will it take chlorine gas to effuse

What time will it take 10.0 mL of Chlorine gas to effuse through a porous barrier when it has been noticed that 76.3 min are needed for 10.0 mL of Hydrochloric acid gas to effuse through the same barrier.

  Determine the partial pressure and total pressure

Determine the partial pressure and total pressure  of each gas in the vessel and  process of  reaction runs until eighty five  of the Oxygen  is used  and the vessel get cooled to its starting or initial  temperature.

  Calculate the standard free energy of activation of reaction

The standard free energy of activation of a reaction X is 89.4 kJ mol-1 at 298 K. Reaction Y is one million times faster than reaction X at the same temperature.

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