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Kobotan [32]
2 years ago
9

Help

Chemistry
1 answer:
Burka [1]2 years ago
4 0
The Moon<span> moves </span>around<span> the </span>Earth in<span> an </span>approximately<span> circular </span>orbit<span>, going once </span>around<span>  </span>in approximately<span> 27.3 </span><span>days.  </span>The moon orbits quite fast: it moves about 0.5 degrees<span> per hour in the sky. So, its average movement in a day is around 13 degrees.   5 days x 13 degrees is approximately 65 degrees. </span>
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A piece of silver metal has a mass of 3.687 grams. If the density of silver is 10.5 g/cm, what is the volume of the silver?​
GenaCL600 [577]

Answer:

Volume = (0.62 m)^3

Explanation:

If the density of silver is 10.5 g/cm, the volume of the silver is (0.62 m)^3.

3 0
2 years ago
List three changes of state during which energy is absorbed
brilliants [131]
"<span>Changes of state are physical changes. They occur when matter absorbs or loses energy. Processes in which matter changes between liquid and solid states are freezing and </span>melting<span>. Processes in which matter changes between liquid and gaseous states are vaporization, evaporation, and condensation."</span>
4 0
3 years ago
I really need help. Please
Oliga [24]

physical change

particles retain there composition and identity

there is no change in there chemical properties of the substance

the chemical changes should be the other two.

If it is wrong I'm truly sorry.

6 0
3 years ago
Question 7
Svet_ta [14]

Answer:

Check if the ions of two compounds exchange places.

Explanation:

The definition of single replacement is a reaction when an ion replaces another ion, thus the name.

7 0
3 years ago
Read 2 more answers
Which term defines the distance from the focal point to either a lens or a mirror
nikklg [1K]
The focal length, like you said it's the distance between the FOCAL point and the mirror.


Hope this helps.... :)
3 0
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