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kipiarov [429]
2 years ago
15

What is the difference between average and total kinetic energy?

Chemistry
1 answer:
adell [148]2 years ago
7 0

Answer:

Explain the difference between total and average molecular kinetic energy of a gas contained in a box. As an average K.E. of the particles increases, the object's temperature increases. Total Kinetic Energy is the sum of energy. Explain how a liquid thermometer measure temperature.

The total kinetic energy of a body or a system is equal to the sum of the kinetic energies resulting from each type of motion.

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Mutualism! The tree provides a home and food for the ants, while the ants protect the tree :)
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2 years ago
If you added 15,000 calories to 2.0 L of water that was at 25.0 degrees C, what temperature would it be at when you finished?
rewona [7]

<u>Answer:</u>

<em>When we finish, the temperature would be 32.5℃</em>

<em></em>

<u>Explanation:</u>

Density of water = mass/volume

So,

Mass of water = Density × Volume

\\\\$=1.0   \times  2.0 L$\\\\$=1.0 \frac{g}{m L} \times 2000 m L$\\\\$\quad=2000 g$

$Q=m \times c \times \Delta T$

where

\Delta T = Final T - Initial T

Q is the heat energy in calories

c is the specific heat capacity (for water 1.0  cal/(g℃))  

m is the mass of water

plugging in the values  

$15000 \mathrm{Cal}=2000 \mathrm{g} \times 1.0 \frac{\mathrm{cal}}{\mathrm{g}^{\circ} \mathrm{C}} \times \Delta T$

\\$\Delta T=\frac{15000 \mathrm{cal}}{2000 \mathrm{g} \times \frac{1.0 \mathrm{cal}}{g^{\circ} \mathrm{C}}}$\\\\$\Delta T=7.5^{\circ} \mathrm{C}$

Final T = ∆T + Initial T

= 7.5℃ + 25℃ = 32.5℃ (Answer).

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2 years ago
A chemical reaction produces 56.2 grams of iron (II) sulfide (FeS). How many moles of iron (II) sulfide does the reaction produc
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Answer:

0.639

Explanation:

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