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maw [93]
3 years ago
5

The galaxy we live in is the Milky Way galaxy, and it is a spiral galaxy. Galaxies contains billions of which of the following?

Chemistry
1 answer:
yKpoI14uk [10]3 years ago
5 0

Answer:

D. Stars is the correct answer

Please give my answer the brainliest...

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2.<br> How many moles are contained in 0.800 g of calcium chloride (CaCl2)?
Ronch [10]
The SI base unit for amount of substance is the mole. 1 mole is equal to 1 moles Calcium Chloride, or 110.984 grams.
7 0
3 years ago
Which of the following does the internal energy of an ideal gas depend upon?
Serggg [28]

Answer:

The correct option is: a. The internal energy depends upon its temperature.

Explanation:

Ideal gas is a hypothetical gas that obeys the ideal gas law. The equation for the ideal gas law:

P·V=n·R·T

Here, V- volume of gas, P - total pressure of gas, n- total mass or number of moles of gas, T - absolute temperature of gas and R- the gas constant

Also, according to the Joule's second law, the <em><u>internal energy (U) of the given amount of ideal gas depends on the absolute temperature (T) of the gas only,</u></em> by the equation:

U = c_{V}nRT

Here, c_{V} <em>is the specific heat capacity at constant volume</em>

4 0
3 years ago
An ice cube tray full of water is put into a freezer. Which energy change occurs in the particles in the water as it undergoes a
o-na [289]

Answer:

A

Explanation:

increase in energy - hotter and/or more reactive

decrease in energy - colder and/or less reactive

Since it is going from a liquid to solid it will have a tighter arrangement of particles.

3 0
2 years ago
Which of the choices below has more heat being transferred as thermal energy from one place to another?
Tatiana [17]

Answer:

B

Explanation:

So, a pot of boliling is hot right? of course, since it is hot thermal energy will be transferred from one place to another. I don't know if this is correct but I just wanted to give it a try.

4 0
2 years ago
Choose all the answers that apply.
MAVERICK [17]

Answer: kinetic energy

Explanation: I just took that test

4 0
3 years ago
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