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BabaBlast [244]
3 years ago
7

Scientists believe the Earth’s core is around 6,000 degrees Celsius. Where does this heat come from?

Chemistry
1 answer:
Nataliya [291]3 years ago
8 0
The heat in the core of the Earth has several sources including:
1- The heat produced from the decaying of radioactive elements
2- The heat that was originally produced during the formation and accretion of the planet itself (This heat has not yet faded)
3- The heat produced during friction when denser material and elements sink into the planet's center.

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What is the mass of a cube of aluminum that is 4.0 cm on each edge? The density of aluminum is 2.7 g/cm3.
Y_Kistochka [10]
Mass will be 172.8 gram only
7 0
3 years ago
ANSWER ASAP!!!
lianna [129]

Answer:

The answer is c

Explanation:

6 0
3 years ago
To convert liters of CO2 to moles of CO2, what conversion factor would it be?
MArishka [77]

22.4L.

This is because the standard conversion factor for Liters is 22.4 and in the question it explicitly states liters of CO2.

Therefore, in order to convert Liters of CO2 to Moles of CO2, you'd need to use the conversion factor of 22.4.

Hope this helps!

3 0
3 years ago
What is one characteristic of the groundwater that forms caves? A. It is very hot. B. It is very cold. C. It is slightly acidic.
QveST [7]

Answer: Groundwater that forms caves because it is slightly acidic.

Explanation:

The water under the ground present inside the cracks and spaces in sand, soil and rocks is called ground water.

When ground water moves through the soil it results in the formation of acid. Further, this acid helps minerals to get dissolve. These minerals get deposited on other places as well.

This process of deposition and erosion helps in the formation of caves.

Thus, it can be concluded that groundwater that forms caves because it is slightly acidic.

6 0
3 years ago
How does kinetic theory explain gas pressure
Rasek [7]

Answer: Hope this helps :)

Explanation:

The kinetic molecular theory can be used to explain each of the experimentally determined gas laws. The pressure of a gas results from collisions between the gas particles and the walls of the container. Each time a gas particle hits the wall, it exerts a force on the wall. In the kinetic theory of gases, gas molecules move around in the most random way colliding and bumping into each other and then bouncing off in the opposite direction.

The molecules exert no intermolecular forces on each other and they have no potential energy associated with them in their motion.

Thus the energy is wholly kinetic.

The concept of pressure is explained in kinetic theory as a consequence of kinetic energy of gases. Let me explain it.

Consider an ideal gas (the ones with which kinetic theory is concerned) in a closed container.

Due to the troublesome motion of the gas molecules, they will collide with each other, some of them shall collide with the container walls and then bounce back and this process continues.

6 0
3 years ago
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