Explain kcn is dissolved in water in a calorimeter

Assignment Help Chemistry
Reference no: EM13212125

When a 6.00-g sample of KCN is dissolved in water in a calorimeter that has a total heat capacity of 2.294 kJ·K-1, the temperature decreases by 0.470 K. Calculate the molar heat of solution of KCN.

Reference no: EM13212125

Questions Cloud

Estimate the smallest diameter of a rod : The compression strength of Kevlar 49 fiber is about one-eight of its tensile stress. Estimate the smallest diameter of a rod on which 12 um diameter Kevlar fiber can be wound without causing kinks on its compression side.
Calculate the enthalpy change of the universe : calculate the enthalpy change of the universe during the process. Cp=Cv = 4.18 kj/kgK
Explain how to draw mechanisms for organic chemistry : how to draw mechanisms for organic chemistry? Would really like to learn how to draw them.
What are the autarky price of shoes and the quantity produce : a. What are the autarky price of shoes and the quantity produced b. What are the levels of domestic production, consumption, and imports if the world price is $10 c. How do your answers in part b change if this country were to impose a tariff of 3$
Explain kcn is dissolved in water in a calorimeter : KCN is dissolved in water in a calorimeter that has a total heat capacity of 2.294 kJ·K-1, the temperature decreases by 0.470 K. Calculate the molar heat of solution of KCN.
Calculate the contact forces at a and b : the 50-kg homogeneous smooth sphere rest on the 30 degree incline A and bears against the smooth vertical wall B. calculate the contact forces at A and B.
Calculate how much payload this assembly : The nominal breaking strength of the rope is 10,000 lbs. Calculate how much payload this assembly can allowably pick up. Show your work.
Intellectual trends in the interwar years : What was the main cultural and intellectual trends in the interwar years
Compute the ph at the equivalence point in the titration : Calculate the pH at the equivalence point in the titration of 25.00 mL of 0.120 M chloropropanoic acid (Ka = 7.8 x 10-5)

Reviews

Write a Review

Chemistry Questions & Answers

  Define the values of macroscopic measurements

Deal gases can be defined in terms of microscopic assumptions, assumptions about the values of macroscopic measurements or an equation of state

  How many grams of baso4 will be formed

How many mL of .150M bacl2 are needed to react with 35mL of .200M na2so4? How many grams of BaSO4 will be formed?

  Write definition for electrophilic

Definition for electrophilic, transition state and Markovnik , electrophilic, transition state

  Sate the acid volume needed to reach the equivalence point

Consider the titration of 46.0 mL of 1.2 M NaOH with 1.0 M HCl. Find the pH at the following points. A)After the addition of a large excess of acid

  State how many neutrons are produced

Write a nuclear reaction for the neutron-induced fission of U-235 to produce Te-137 and Zr-87? How many neutrons are produced

  What is the solute percent by volume

If the volume of solute is 6 ml and the volume of the solution is 300 ml, what is the solute's percent by volume?

  What is the molecular formula of citric acid

A 0.250g sample of citric acid dissolved in 25.0 mL of water requires 37.20 mL of 0.105 M NaOH for complete neutralization. What is the molecular formula of citric acid?

  How many grams of acetic acid are in vinegar

If 3.50ml of vinegar needs 42.0ml of 0.130M NaOH to reach the equivalence point in a titration, how many grams of acetic acid are in a 1.20qt sample of this vinegar?

  State degrees celsius to produce solid mercury

Mercury, with a freezing point of -38.8 degrees Celsius, is the only metal that is liquid at room temperature. How much heat energy must be removed from 1.00 mL of mercury at 23.0 degrees Celsius to produce solid mercury?

  Calculate the mass of sodium iron produced

In a reaction 8200 g of sodium reacts with 74.00 g of ferric oxide to form sodium oxide and iron metal. Calculate the mass of sodium iron produced.

  Larger translational partition function than lighter atoms

Why do heavier atoms have a larger translational partition function than lighter atoms at the same temperature?

  State what was the value of the principal quantum

In the process, a photon of wavelength 1.28Ã-10-6 m is emitted. What was the value of the principal quantum number for the higher energy level?

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