Chemistry-
General
Easy
Question
Which of the following statements is correct or the reaction; CO(g)+½O→(g)CO(g) at constant temperature and pressure
- ΔH=ΔE
- ΔH<ΔE
- ΔH>ΔE
- None of these
The correct answer is: ΔH<ΔE
Related Questions to study
chemistry-
For a gaseous reaction, A(g)+3B(g)→3C(g)+3D(g) ΔE is17Kcalat27°C assuming R=2calK–1 the value of ΔH for the above reaction is-
For a gaseous reaction, A(g)+3B(g)→3C(g)+3D(g) ΔE is17Kcalat27°C assuming R=2calK–1 the value of ΔH for the above reaction is-
chemistry-General
physics
100 g ice at 
placed in 100g water at 
. The final temperature of the mixture will be…… (Latent. heat of ice is 80cal/g, and specific heat of water is 1cal/g
)
100 g ice at placed in 100g water at . The final temperature of the mixture will be…… (Latent. heat of ice is 80cal/g, and specific heat of water is 1cal/g)
physicsGeneral
chemistry-
The difference between heats of reaction at constant pressure and constant volume for the reaction 2C6H6(I)+15O2(g)→12CO2(g)+6H2O(I)at25°CinKJis-
The difference between heats of reaction at constant pressure and constant volume for the reaction 2C6H6(I)+15O2(g)→12CO2(g)+6H2O(I)at25°CinKJis-
chemistry-General
chemistry-
Under which of the following conditions is the relation,ΔH=ΔE+PΔVvalidforasystem
Under which of the following conditions is the relation,ΔH=ΔE+PΔVvalidforasystem
chemistry-General
physics
A centigrade and a Fahrenheit thermometer one dipped in boiling water. The water temperature is lowered until the Fahrenheit thermometer registers 
. What is the fall in temperatures as registered by the centigrade thermometer?
A centigrade and a Fahrenheit thermometer one dipped in boiling water. The water temperature is lowered until the Fahrenheit thermometer registers . What is the fall in temperatures as registered by the centigrade thermometer?
physicsGeneral
physics
Which the substances or has the highest specific heat in The temperature Vs time graph is shown.
Which the substances or has the highest specific heat in The temperature Vs time graph is shown.
physicsGeneral
chemistry-
The work done by a weightless piston in causing an expansion ΔV(at constant temperature),when the opposing pressure P is variable, is given by
The work done by a weightless piston in causing an expansion ΔV(at constant temperature),when the opposing pressure P is variable, is given by
chemistry-General
chemistry-
Foranadiabaticprocesswhichofthefollowing relationsiscorrect-
Foranadiabaticprocesswhichofthefollowing relationsiscorrect-
chemistry-General
physics
The graph AB shown in figure is a plot of temperature of body in degree Celsius and degree Fahrenheit, Then
The graph AB shown in figure is a plot of temperature of body in degree Celsius and degree Fahrenheit, Then
physicsGeneral
physics
Amount of heat required to raise the temperature of a body through 1K is called its
Amount of heat required to raise the temperature of a body through 1K is called its
physicsGeneral
physics
In a resonance tube experiment, the first resonance is obtained for 10 cm of air column and the second for 32 cm The end correction for this apparatus is equal to
In a resonance tube experiment, the first resonance is obtained for 10 cm of air column and the second for 32 cm The end correction for this apparatus is equal to
physicsGeneral
physics
An air column in a pipe, which is closed at one end will be in resonance with a vibrating tuning fork of frequency 264 Hz, What is the length of the column if it is in cm ? (speed of sound in air =330m/s)
An air column in a pipe, which is closed at one end will be in resonance with a vibrating tuning fork of frequency 264 Hz, What is the length of the column if it is in cm ? (speed of sound in air =330m/s)
physicsGeneral
physics
A hollow pipe of length 0.8 m is closed at one cad At its open and a 0 5 m long uniform string is vibrating in its second harmonic and it rosonates with the fundamentals frequency of the pipe if the tension in the wire is 50 N and the speed of sound is 
, what is the mass of the string
A hollow pipe of length 0.8 m is closed at one cad At its open and a 0 5 m long uniform string is vibrating in its second harmonic and it rosonates with the fundamentals frequency of the pipe if the tension in the wire is 50 N and the speed of sound is , what is the mass of the string
physicsGeneral
physics
A tuning fork of 512 Hz is used to produce resonance in a resonance tube experiment The level of water at first resonance is 307 cm and at second resonance is 63 2 cm What is the error in calculating velocity of sound ? Asume the speed of sound 330 m/s
A tuning fork of 512 Hz is used to produce resonance in a resonance tube experiment The level of water at first resonance is 307 cm and at second resonance is 63 2 cm What is the error in calculating velocity of sound ? Asume the speed of sound 330 m/s
physicsGeneral
physics
An open pipe is in resonance in 
harmonic with frequency 
Now one end of the tube is closed and frequency is increased to 
such that the resonance again occurs in harmonic Choose the correct option
An open pipe is in resonance in harmonic with frequency Now one end of the tube is closed and frequency is increased to such that the resonance again occurs in harmonic Choose the correct option
physicsGeneral
