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pashok25 [27]
3 years ago
5

I have several questions for Chemistry.

Chemistry
2 answers:
almond37 [142]3 years ago
8 0
Hin djdkd dj did dj jeeneksbs
Bas_tet [7]3 years ago
7 0

Answer: 1. Ions

2. Molar mass

3. Occurs within extremely high temperatures like the sun and stars.

4. Sublimation

Explanation:

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If there are three methyl groups on the same carbon, what is the prefix<br> used?
Tanzania [10]

Answer:

tri

Explanation:

1-nothing

2-di

3-tri

- Hope that helps! Please let me know if you need further explanation.

6 0
3 years ago
Scientific explanations are not always based on empirical evidence <br><br> True or false?
tigry1 [53]
True some explanations are not always based on empirical evidence
4 0
3 years ago
A)The plates are all moving in the same direction
nevsk [136]
I believe the answer is C) there is an obvious reasoning for this all you have to do is eliminate answers that don't seem right for example, A)the plates are all moving the same direction every plate moves in different directions. B) The plates are all the same size. Well, it's really obvious that that is not true because every plate has its different shape and size. D) where two plates meet, they always move apart. If this were true, then we would never have earthquakes when plates meet earthquakes happen. so there for the answer is C)
7 0
3 years ago
How many moles of Fluorine (F2) are<br><br> needed to completely react 8.0<br><br> moles of NF3?
Anna [14]

Answer:

12 moles of F₂

Explanation:

We'll begin by writing the balanced equation for the reaction. This is illustrated below:

N₂ + 3F₂ —> 2NF₃

From the balanced equation above,

3 moles of F₂ reacted to produce 2 moles of NF₃.

Finally, we shall determine the number of mole of F₂ needed to produce 8 moles of NF₃. This can be obtained as illustrated below:

From the balanced equation above,

3 moles of F₂ reacted to produce 2 moles of NF₃.

Therefore, Xmol of F₂ will react to produce 8 moles of NF₃ i.e

Xmol of F₂ = (3 × 8)/2

Xmol of F₂ = 12 moles

Thus, 12 moles of F₂ is needed for the reaction.

8 0
3 years ago
The melting point of aluminum is 660ºC. At what temperature will aluminum melt if you have 5 grams? 10 grams? Explain your answe
valkas [14]

Answer:

the melting point of aluminum is 660 degrees Celsius.

5 0
3 years ago
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