Chemistry-
General
Easy
Question
The amount of heat liberated when one mole of NH4OH reacts with one mole of HCl is–
- 13.7Kcal
- Morethan13.7Kcal
- Lessthan13.7Kcal
- Can not be predicted
The correct answer is: Lessthan13.7Kcal
Related Questions to study
chemistry-
Heat of formation of CO2 is–94.0K.cal.What would be the quantity of heat liberated, when 3g of graphite is burnt in excess of oxygen-
Heat of formation of CO2 is–94.0K.cal.What would be the quantity of heat liberated, when 3g of graphite is burnt in excess of oxygen-
chemistry-General
physics-
An ideal monoatomic gas is taken around the cycle ABCDA as Shown in the P
V diagram. The work done during the cycle is given by
An ideal monoatomic gas is taken around the cycle ABCDA as Shown in the PV diagram. The work done during the cycle is given by
physics-General
physics-
If for a gas 
, this gas is made up to molecules which are
If for a gas , this gas is made up to molecules which are
physics-General
physics-
For hydrogen gas Cp-CV=a and for oxygen gas Cp-Cv=b, The relation between 
and 
is given by
For hydrogen gas Cp-CV=a and for oxygen gas Cp-Cv=b, The relation between and is given by
physics-General
physics-
Is the cyclic Process Shown on the VP diagram, the magnitude of the work done is
Is the cyclic Process Shown on the VP diagram, the magnitude of the work done is
physics-General
physics-
A gas expands from 1 liter to 3 liter at atmospheric pressure. The work done by the gas is about
A gas expands from 1 liter to 3 liter at atmospheric pressure. The work done by the gas is about
physics-General
physics-
The temperature on Celsius scale is 25°C What is the corresponding temperature on the Fahrenheit Scale?
The temperature on Celsius scale is 25°C What is the corresponding temperature on the Fahrenheit Scale?
physics-General
physics-
The graph AB Shown in figure is a plot of a temperature of a body in degree Fahrenheit than slope, of line AB is
The graph AB Shown in figure is a plot of a temperature of a body in degree Fahrenheit than slope, of line AB is
physics-General
physics-
A difference of temperature of 25°C is equivalent to a difference of
A difference of temperature of 25°C is equivalent to a difference of
physics-General
physics-
A solid cylinder of mass 
and 
is mounted on a frictionless horizontal axle so that it can freely rotate about this axis. A string of negligible mass is wrapped round the cylinder and a body of mass 
is hung from the string as shown in figure the mass is released from rest then
What is the moment of inertia of a solid sphere of density and radius about its diameter?
A solid cylinder of mass and is mounted on a frictionless horizontal axle so that it can freely rotate about this axis. A string of negligible mass is wrapped round the cylinder and a body of mass is hung from the string as shown in figure the mass is released from rest then
What is the moment of inertia of a solid sphere of density and radius about its diameter?
physics-General
physics-
A solid cylinder of mass M and R is mounted on a frictionless horizontal axle so that it can freely rotate about this axis. A string of negligible mass is wrapped round the cylinder and a body of mass m is hung from the string as shown in figure the mass is released from rest then A wheel having moment of inertia 
about its vertical axis, rotates at the rate of 60rpm about this axis. The torque which can stop the wheels rotation in one minute will be..
A solid cylinder of mass M and R is mounted on a frictionless horizontal axle so that it can freely rotate about this axis. A string of negligible mass is wrapped round the cylinder and a body of mass m is hung from the string as shown in figure the mass is released from rest then A wheel having moment of inertia about its vertical axis, rotates at the rate of 60rpm about this axis. The torque which can stop the wheels rotation in one minute will be..
physics-General
physics-
A solid cylinder of mass M and R is mounted on a frictionless horizontal axle so that it can freely rotate about this axis. A string of negligible mass is wrapped round the cylinder and a body of mass m is hung from the string as shown in figure the mass is released from rest then A thin uniform rod AB of mass M and length L is hinged at one end A to the horizontal floor. Initially it stands vertically. It is allowed to fall freely on the floor in the vertical plane. The angular velocity of the rod when its end B strikes the floor is
A solid cylinder of mass M and R is mounted on a frictionless horizontal axle so that it can freely rotate about this axis. A string of negligible mass is wrapped round the cylinder and a body of mass m is hung from the string as shown in figure the mass is released from rest then A thin uniform rod AB of mass M and length L is hinged at one end A to the horizontal floor. Initially it stands vertically. It is allowed to fall freely on the floor in the vertical plane. The angular velocity of the rod when its end B strikes the floor is
physics-General
physics-
A small object of uniform density rolls up a curved surface with initial velocity 'u'. It reaches up to maximum height of 
with respect to initial position then the object is
A small object of uniform density rolls up a curved surface with initial velocity 'u'. It reaches up to maximum height of with respect to initial position then the object is
physics-General
physics-
A disc of mass M and radius R is rolling with angular speed w on a horizontal plane, as shown in figure. The magnitude of angular momentum of the disc about the origin O is
A disc of mass M and radius R is rolling with angular speed w on a horizontal plane, as shown in figure. The magnitude of angular momentum of the disc about the origin O is
physics-General
physics-
A light rod carries three equal masses A, B and C as shown in the figure the velocity of B in vertical position of rod if it is released from horizontal position as shown in the figure is .....
A light rod carries three equal masses A, B and C as shown in the figure the velocity of B in vertical position of rod if it is released from horizontal position as shown in the figure is .....
physics-General
