Calculate the molar heat of solution of kscn

Assignment Help Chemistry
Reference no: EM13117012

When a 2.00-g sample of KSCN is dissolved in water in a calorimeter that has a total heat capacity of 1.083 kJ·K-1, the temperature decreases by 0.460 K. Calculate the molar heat of solution of KSCN.

Reference no: EM13117012

Questions Cloud

Illustrate what is the horizontal component of the superhero : Illustrate what is the horizontal component of the superhero’s displacement? Draw the vectors to scale on a graph to determine the answer.
Explain distribution and probability function : Suppose that in a random sample of size n, there are x1, x2, and x3 number of genotypes s1,s2 and s3 respectively where x1+x2+x3=n. What sort of distribution is this?
What subsrtate does it act on : These is another digestive enzyme other than salivary that is secreted by the salivary glands. What is this enzyme? What subsrtate does it act on? where in the body does it become activated and why?
Forms of export financing and major currencies : What are the primary forms of export financing? What steps are involved in each form of international financing? What are the advantages and disadvantages of each form?
Calculate the molar heat of solution of kscn : When a 2.00-g sample of KSCN is dissolved in water in a calorimeter that has a total heat capacity of 1.083 kJ·K-1, the temperature decreases by 0.460 K.
Identify the magnitudes of the tension force t in deltoid : The force of gravity acting on the arm acts through point A. Identify the magnitudes of the tension force t in the deltoid muscle and the force s of the shoulder on the humerus (upper-arm bone) to hold the arm in the position shown.
Why dont these enzymes digest the stomach : the stomach contains enzymes that aid in digestion, including proteases which digest proteins. Why dont these enzymes digest the stomach and small intestine, which are partially composed of protein?
Draw sampling distribution of estimate-central limit theorem : Hospitials having fewer that 1000 discharges is estimated from a simple random sample of size 25. Use the central limit theorem to sketch the approximate sampling distribution of the estimate.
What is the dilution : You have 0.05 mL of an undiluted culture at a concentration of 3.6 x 10^6 CFU/mL. You then add 4.95 mL sterile diluent. What is the dilution, and what is the final concentration of cells?

Reviews

Write a Review

Chemistry Questions & Answers

  Find minimum oh- concentration to decrease the mg2+

The solubility product of Mg(OH)2 is 1.2E-11. What minimum OH- concentration must be attained (for example, by adding NaOH) to decrease the Mg2+ concentration in a solution of Mg(NO3)2 to less than 1.9E-10 M?

  Determine how many grams of methane is required

Determine How many moles of Fe 3 O 4 could be formed if 9.00 mol iron react with 12.00 mol Oxygen and determine How many grams of methane is required to form 45.5g CHcl 3 ?

  Compute mole fraction of caffeine

Compute mole fraction of caffeine(C 8 H 10 N 4 O 2 ), the molarity of the solution

  Nonlinear adsorption isotherms for metals

A peat soil was found to have the following Langmuir constants for the adsorption of heavy metals. Using the nonlinear Langmuir equation above, show the equations and plot the nonlinear adsorption isotherms for the three metals

  Compute the change in entropy of the universe

Compute the change in entropy of the universe if water vapor of one mol condenses to liquid water at the temperature of 100°C in a thin flask in an ambient laboratory temperature of twenty five degree celsius.

  How many oxygen molecules are required

What is the theoretical yield of SO 3 produced by the quantities described in Part A and How many Oxygen molecules are required to react with 7.82g of S?

  Find the partial pressure and concentration of nitrogen

Find the partial pressure and concentration of Nitrogen, Oxygen, and Carbon dioxide.

  How many grams of chromium will be plated

Chromium metal can be plated from an acidic solution of CrO3. CrO3(aq) + 6H+(aq) + 6e- Cr(s) + 3H2O How many grams of chromium will be plated by the passage of 19,300 C (coulombs).

  Show the lewis structures

Draw Lewis dot structure and predict molecular geometry - Show the Lewis structures of the following molecules and then predict their geometry.

  Calculate the number of degrees of freedom

A saturated solution of Na2SO4 with excess of the solid is present in equilibrium with its vapor in a closed vessel. Calculate the number of degrees of freedom, f, of the system.

  Calculate how many palladium atoms will have to be laid

Calculate How many palladium atoms will have to be laid side by side to span a distance of 4.28 mm if The radius of a palladium atom is 137 pm.?

  What volume of hydrochloric acid solution

What volume of hydrochloric acid solution of 0.25 M must be diluted to prepare 1.00 L of 0.040 M HCl and calculate Keq at this temperature for the given reaction  2 NOCl (g) W 2 NO (g) + Cl 2 (g) ( reaction is at equilibrium):

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