Chlorate crystals decompose to potassium chloride crystals

Assignment Help Chemistry
Reference no: EM13167486

When 2 mol of Potassium Chlorate crystals decompose to Potassium Chloride crystals and Oxygen gas at a constant temperature and pressure, 78 kJ of heat is given off. Write a thermochemical equation for this reaction.

Reference no: EM13167486

Questions Cloud

Describe the biochemical changes that takes place : explain the biochemical changes that takes place during the investment phase of glycolysis
Define methyl salicylate is an ester : Methyl salicylate is an ester and can be prepared from salicylic acid and methyl alcohol by the same method
How many grams of agno3 must be added : How many grams of AgNO3 must be added to 83.0 g of water to make a 2.62 m aqueous solution of AgNO3.
Find the mass of one mole of spilt pea using the mass : how do you find the mass of one mole of spilt pea using the mass of .069 nd Avoadro's number (6.02x1023rd).
Chlorate crystals decompose to potassium chloride crystals : When 2 mol of Potassium Chlorate crystals decompose to Potassium Chloride crystals and Oxygen gas at a constant temperature and pressure
Calculate the amount of heat needed to convert : Calculate the amount of heat needed to convert 96 g of ice at -24C to water at 28C. The specific heat capacity of H2O(s) is 2.1J/g*C.
Sodium hydroxide and calculate the ph : When 50.0 mL of 0.50 M formic acid is titrated with 0.50 M sodium hydroxide, calculate the pH for each of the following: Ka of formic acid = 1.8 x 10^-4 Be sure to account for volume changes at each step.
Which compound will be eluted first : A mixture of p-nitroaniline and o-nitroaniline is separated by column chromatography. which compound will be eluted first? Give reason.
Calculate the velocity of the electron emitted : If copper has a photoelectric threshold wavelength of 279 nm, calculate the velocity (m/s) of the electron emitted when copper is illuminated with light with a frequency of 2.33 × 1015 Hz. Express answer in scientific notation.

Reviews

Write a Review

Chemistry Questions & Answers

  What is the molar heat of combustion

a bomb clorimeter contains 2.5 liters of water if the combustion of .175 moles causes the temperature of the water to rise 45 degrees celsius, what is the molar heat of combustion.

  Explain why swirling or shaking a solution

In less than a 150 words, explain why swirling or shaking a solution and its drying agent hastens the drying process.

  What the product of the complete hydrolysis contained

The product of the complete hydrolysis contained 1.8 mg of the compound shown below, and no other 2,4-dinitrophenyl derivatives of the ?-amino groups of other amino acids could be found How many polypeptide chains are in this protein?

  What will the final pressure be

Suppose that you have a 2.0 L sample of hydrogen at 1.00 atm and 59°C. If you heat the sample to 84°C and it expands to a volume of 3.7 L, what will the final pressure be?

  Calculate the average atomic weight of argon

3 isotopes of argon occur in nature. Ar-36, Ar-38, and Ar-40. The abundance of each are as follow: 0.34%, 0.07%, and 99.59%.

  What is the minimum mass of sulfur dioxide necessary

What is the minimum mass of sulfur dioxide necessary to produce 200. grams of sulfuric acid in the reaction?

  State data for the decomposition of hydrogen peroxide

Data for the decomposition of hydrogen peroxide at some set temperature T is include below. The rate law depends only on the concentration of H2O2.

  Calculate the ph of a buffer solution

Calculate the pH of a buffer solution obtained by mixing 400.0 mL of 0.200 M acetic acid solution and 100.0 mL of a 0.300 M sodium hydroxide solution.(The pKa of Acitic Acid, CH3OOH is 4.74)

  What is the identity of the salt

An unknown salt is either NaF, NaCl or NaOCl.When 0.050 mol of the salt is dissolved in water for form 0.500 L of solution, the pH of the solution is 8.08. What is the identity of the salt?

  Explain electrochemistry and solubility

Electrochemistry and Solubility, The potential of the cell Bi|Bi2S3(s) |Bi2S3(aq)|Bi is 0.96 V at 25*C. Calculate the solubility of Bi2S3, Assume it is an ideal solution.

  Explain the intermolecular force that must be overcome

Describe the intermolecular force that must be overcome in converting each of the following from a liquid to a gas

  What is the first step in the reaction sequence of aldol

What is the first step in the reaction sequence of Aldol reactions under basic conditions? a. Removal of the aldehyde proton b. Removal of an alpha proton to form the enolate

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