Which of the following is/are true regarding work?

Through work, a system can exchange energy with its surroundings.

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Work is defined as the form of energy by which a body is moved through a distance by the application of a force.

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Work is the product of force and velocity.

W = f \times v

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Work is defined as the transfer of energy that can be used to change the height of a mass in the surroundings.

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Solution

The correct options are
A Through work, a system can exchange energy with its surroundings.
B Work is defined as the form of energy by which a body is moved through a distance by the application of a force.
D Work is defined as the transfer of energy that can be used to change the height of a mass in the surroundings.
The following are true regarding work. Work is one of the means by which a system can exchange energy with its surroundings. In mechanics, work is defined as the form of energy by which a body is moved through a distance by the application of a force. Work is the product of force and displacement. $W = f \times d$
In chemical thermodynamics, work is defined as the transfer of energy that can be used to change the height of a mass in the surroundings.

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Similar questions

Fill in the following blanks with suitable words :

(a) Work is measured as a product of ....................... and ..................

(b) The work done on a body moving in a circular path is .....................

(c) 1 joule is the work done when a force of one ............. moves an object through a distance of one.................. in the direction of .....................

(d) The ability of a body to do work is called .................... The ability of a body to do work because of its motion is called .................

(e) The sum of the potential and kinetic energies of a body is called ......... energy.

Q. Energy can transfer form system to surroundings as work if

The work-energy theorem states that the work done by a force on a body is equal to the change in kinetic energy of the body.

Q. A system which can neither exchange matter nor energy with the surroundings called as isolated system. If true enter 1 else 0.

Q. The First Law of Thermodynamics states that heat is a form of energy, and thermodynamic processes are therefore subject to the principle of conservation of energy. This means that heat energy cannot be created or destroyed. It can, however, be transferred from one location to another and converted to and from other forms of energy.

The equation for the first law of thermodynamics is given as;

$Δ U = q + W$

Where,

Two moles of an ideal gas expanded isothermally and reversibly from

1 L to 10 L

300 K

. What is the enthalpy change?

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