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katovenus [111]
3 years ago
8

Chemical equations need to be _________

Chemistry
2 answers:
Anestetic [448]3 years ago
7 0

Answer:

Balanced

Explanation:

..............

V125BC [204]3 years ago
4 0

Answer:

advanced

Explanation:

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Describe what has to happen when matter is heated by convection
ira [324]

Answer:

Here^

Explanation:

The matter starts heating, up as if it's ice , turns into a liquid.

3 0
3 years ago
Find the mass of 3.60x10^24 atoms of magnesium?
Arturiano [62]

Answer:

The answer to your question is 8.75 x 10 ²⁵ atoms of Magnesium

Explanation:

Data

Atomic mass of Magnesium = 24.31 g

Atoms of magnesium = 3.60 x 10²⁴

Process

Solve this porblem using a rule of three

             

           1 atom of Magnesium ---------------  24.31 g

           3.60 x 10²⁴                  ----------------    x

           x = (3.60 x 10²⁴ x 24.31) / 1

           x = 8.75 x 10 ²⁵ atoms

3 0
4 years ago
How do geologists know that there once was a vast sea where the Grand Canyon is today?
Vanyuwa [196]
Through the erosion and indentations. Formation down cutting it leaves forms of a river or ocean carved. Using range you can see how the floor of the canyon were an ocean floor. Erosion is caused by water the Grand Canyon sits on a body of water unlike most canyons this one happened to erode and sediment the body where the water once was. A layer of rock is also apparent which you wouldn’t be able to see unless erosion happened and etc.
3 0
3 years ago
True/False –Similar to liquids, gases cannot be compressed.
weeeeeb [17]

Answer:

False

Explanation:

A liquid has a definite shape and takes on the volume of its container. A gas has both the shape and the volume of its container. The particles in a gas cannot be compressed into a smaller volume. Liquids tend to contract when heated.

Hope this helps

3 0
3 years ago
What element has 3 valance electrons and 4 energy levels
Vanyuwa [196]

Answer:

gallium

Explanation:

7 0
4 years ago
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