Evaluate the heat of a reaction cacl is dissolved

Assignment Help Chemistry
Reference no: EM13533927

Calculate the heat of a reaction if 12.5 g CaCl is dissolved in 105 g of water and the temperature decreases from 22 degrees C to 15 degrees C. Assume the specific heat of the solution is 4.184 J/g degrees C. Is the reaction endothermic or exothermic

Reference no: EM13533927

Questions Cloud

How fast is the mass moving at the top of its new path : A mass m = 6.9 kg hangs on the end of a massless rope L = 2.09 m long. Now a peg is placed 4/5 of the way down the pendulum's path so that when the mass falls to its vertical position it hits and wraps around the peg. How fast is the mass moving at..
Define the chemical equation for the neutralization process : A quantity of 200.0 mL of 0.862 M HCl is mixed with 200.0 mL of 0.431 M Ba(OH)2 in a coffee-cup calorimeter (Hint: write and balance the chemical equation for this neutralization process). The initial temperature of HCl and Ba(OH)2 is the same at ..
Maxine peru the ceo of peru resources : Maxine Peru, the CEO of Peru Resources, hardly noticed the plate of savory quenelles de brochet and the glass of Corton Charlemagne '94 on the table before her. She was absorbed by the engineering report handed to her just as she entered the e..
What is the largest angle of inclination to the vertical : What is the smallest radius of a circle at which a bicyclist can travel if his speed is 9 m/s and the coefficient of static friction between the tires and the road is 0.32, what is the largest angle of inclination
Evaluate the heat of a reaction cacl is dissolved : Calculate the heat of a reaction if 12.5 g CaCl is dissolved in 105 g of water and the temperature decreases from 22 degrees C to 15 degrees C. Assume the specific heat of the solution is 4.184 J/g degrees C. Is the reaction endothermic or exother..
Gram-schmidt orthogonalization - maple plot : Gram-Schmidt Orthogonalization - Maple plot - , Calculate  ?P and ?N by the formulas given above. Use Step I of the Maple supplement to plot your results and to check your calculations.
Prepare the rea model of the payroll process : Prepare the REA model of the payroll process
Trace the path of electron from its origins atthe reaction : Trace the path of an electron from its origins atthe reaction center of photosystem II to its final electronacceptor at the end of photosystem I. Be able to name the mainmolecules involved in the process (this does not include theindividual molecu..
Calculate the acceleration of the two masses : A massless pulley is pulled upward with a force = 140 N. A rope passes over the pulley with a mass, M1 = 5 kg at one end, What is the acceleration of the two masses

Reviews

Write a Review

Chemistry Questions & Answers

  Steps in the mechanism for the following reaction

Show all the steps in the mechanism for the following reaction, When benzene is mixed with deuterated sulfuric acid, deuterium is slowly incorporated onto the ring. Show the mechanism for this reaction and explain how this relates the sulfonation of ..

  Prior to placing piece of metal into the graduated cylinder

This assignment inhibits chemistry Laboratory Questions.

  Write the structures of the saytzeff elimination

Write the structures of the saytzeff elimination

  Calculate ph - chemistry questions

Chemistry Questions on Calculate P H

  How many mols of hydrogen can produce

how many mols of H 2 can produce

  Analysis of corrosion mechanisms

Analysis of corrosion mechanisms and preventative measures

  Chemical and pharmaceutical science

Write an equation for the formation of an acetal from reaction of excess methanol with benzaldehyde in the presence of an acid catalyst.

  Calculate the approximate sulphur

Calculate the approximate SO 2 mass emission in lb/day.

  What is the structure - stereochemistry

What is the structure (including functional groups)? Stereochemistry (racemic or single enantiomer)?

  Design a qualitative analysis scheme

Design a qualitative analysis scheme

  What will be the resultant pressure

What will be the resultant pressure when the stopcock is opened?

  The 1h nmr spectrum

Integrals for some of the resonances in the 1H NMR spectrum are higher than they should be due to the shear number of hydrogens in this compound

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