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aivan3 [116]
3 years ago
13

Internal energy is defined as_________.

Chemistry
1 answer:
melamori03 [73]3 years ago
5 0

Answer: Internal energy is defined as the total kinetic energy of all the system component.

Explanation:

Internal energy is defined as the sum of all the energies present within the molecules of an object due to their disordered and random motion.

Also we can say that, all the kinetic energies present within the molecules of an object are internal energy.

As kinetic energy is the energy obtained by the molecules of an object due to its motion.

Thus, we can conclude that internal energy is defined as the total kinetic energy of all the system component.

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What is the density of an object with a volume of 11.24 L and a mass of 3.45 g ?
Tasya [4]

Answer:

0.306 g/L

Explanation:

D = M/V

D= 3.45 g/11.24 L

D= 0.306 g/L

5 0
3 years ago
If an object has two forces acting on it how can the next force equal 0
Flura [38]

If the forces are equal and in opposite directions, the net force will equal zero.

Consider a tug-of-war team. If they are pulling with equal forces against each other, the red cloth on the rope will not move.

<em>F = ma </em>

The cloth is not moving, so <em>a = </em>0 and the net force <em>F = </em>0.

6 0
4 years ago
18.A 2.50 L sample of dry air in a cylinder exerts a pressure of
Vlada [557]

Answer:

\boxed{\text{7.50 L}}

Explanation:

The temperature and amount of gas are constant, so we can use Boyle’s Law.

p_{1}V_{1} = p_{2}V_{2}

Data:

\begin{array}{rclrcl}p_{1}& =& \text{3.00 atm}\qquad & V_{1} &= & \text{2.50 L} \\p_{2}& =& \text{1.00 atm}\qquad & V_{2} &= & ?\\\end{array}

Calculations:

\begin{array}{rcl}3.00 \times 2.50 & =& 1.00V_{2}\\7.500 & = & 1.00V_{2}\\V_{2} & = &\textbf{7.50 L}\\\end{array}\\\text{The volume of the gas is } \boxed{\textbf{7.50 L}}

4 0
3 years ago
A fatty acid consists of -COOH bonded to a long chain of:
Sophie [7]
The -COOH is bonded to a long chain of hydrocarbons in a fatty acid.

A hydrocarbon chain is comprised of both carbon (C) and hydrogen (H) atoms. The 'acid' part is made up of the -COOH portion, whereas the 'fatty' part is made up of the long hydrocarbon chain that it is attached to.
7 0
3 years ago
Read 2 more answers
What are the states of matter and why are they relevant to you?
Evgen [1.6K]
Three states of matter

Solids, liquids and gases are three states of matter. In solids, the particles are tightly packed together. In liquids, the particles have more movement, while in gases, they are spread out. Particles in chemistry can be atoms, ions or molecules.

It is important to understand the particle nature of matter. The particles that make up matter are not ‘small bits of solid’ or ‘small drops of liquid’ but atoms and molecules. The physical characteristics of those atoms and molecules decide its state.
5 0
3 years ago
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