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lawyer [7]
2 years ago
13

PLS HELP GIVING BRAINLIEST AND 100 POINTS

Chemistry
1 answer:
kondor19780726 [428]2 years ago
4 0
  • Air temperature and air pressure both decrease

The air pressure is low at higher altitudes. The pressure decreases up the higher altitudes. Same with temperature, as we go up the higher altitudes the temperature decreases as molecules becomes more far apart.

altitude ↑     ||     pressure ↓

altitude ↑     ||    temperature ↓

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Question 1 of 10
Olenka [21]

Answer:

C.

Explanation:

You can use the series of elimination for this. First, you look at A. Technology is not an understanding of something new, so we cross that out. Second, you look at B. Technology isn't a series of steps, so we can mark that one off. Third, you look at C. Technology is something created using science for use by society, so we can keep that in mind. Lastly, we check D. Technology doesn't match up to the definition, so we can cross that one out. The answer that would make the most sense would be D.

7 0
3 years ago
The formula to find the Molarity of a solution?​
yKpoI14uk [10]

Answer:

molarity = moles of solute / liter of solution

Explanation:

5 0
3 years ago
Today, we have seven major continents. However, most geologists don't think it was like this 200 million years ago. They think t
Oksanka [162]
Yeah this is option A one supercontinent
basically a long time ago we would have lived on pangea

Eventually this would split into two and we would get Gondwana and also Laurasia, so thechnically option two would be a possible choice but option A is the most possible choice.
5 0
3 years ago
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The total number of each element is not changed during a chemical reaction
Paha777 [63]

false all element when they are combined eachother thier valance number will change

the combination of oxygen and aluminum gives us Al2O3 see even the numbers are changing thank you if you have a comment you can write

3 0
3 years ago
Balance this chemical formula<br> Fe + Cl2 = FeCl3
san4es73 [151]
First you find out how much each element has

Fe=1 * 2                    Fe=1
Cl=2  *3                   Cl=3 *2

now we multiply each so we can balance each side.

So now we get our balanced equation
2 Fe + 3 Cl2 = 2 FeCl<span>3</span>
5 0
3 years ago
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