Calculate the amount of heat needed

Assignment Help Chemistry
Reference no: EM13964881

Using the below information, calculate the amount of heat needed to take 100g of Substance X from a liquid state at its melting point to the gaseous state at its boiling point.  The molar mass of substance X is 78.11 g/mol) 

Physical Constants for Substance X

ΔHvap = 33.9 kJ/mol

ΔHfus = 9.81 kJ/mol

csolid = 1.51 J/gºC

cliquid = 1.73 J/gºC

cgas = 1.06 J/gºC

Tmelt = 279.0K

Tboiling = 353.0 K

 

Reference no: EM13964881

Questions Cloud

Advantage of using the method of substitution : 1. In real-world situations, what is the advantage of using the Method of Substitution to solve a system of equations rather than using the Method of Addition?
Problem regarding the orthogonal matrix : If Q is an orthogonal matrix, so that QTQ = I, prove that det Q equals +1 or -1. What kind of parallelepiped is formed from the rows (or columns) of an orthogonal matrix Q?
Find the pressure at 0.078 m below the surface. : Will heat always flow from an object having more energy to one having less energy? Justify your answer as completely as possible, demonstrating understanding of both 'heat' and 'energy'
Develop sampling plan to study the lunch habits : Develop a sampling plan to study the lunch habits of undergraduate ad graduate students of your university. Research questions involve who has the most market share and what the preferred food types and price points are for this particular school. Ex..
Calculate the amount of heat needed : Using the below information, calculate the amount of heat needed to take 100g of Substance X from a liquid state at its melting point to the gaseous state at its boiling point.  The molar mass of substance X is 78.11 g/mol)
Multiplications to calculate ax : Let A be an M x N matrix and X an N x 1 matrix. (a) How many multiplications are needed to calculate AX?
Products can be produced at minimal cost : The great co. has contracted to produce 500 of their product next week for one of its customers. The company has three machines that can produce the products, but at different variable and fixed costs. These costs and weekly production limits are sho..
What is the distribution of sales by region : What is the distribution of sales by region? Do customers prefer shopping online or going to the local store? Is this preference region specific? Which regions have the higher average of sales?
The number of bonds an element tends to form : The number of bonds an element tends to form can be referred to as its valence, and typically corresponds to how many electrons that element needs to complete its octet. These rules will always hold true for hydrogen and fluorine, and generally will ..

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