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Lubov Fominskaja [6]
2 years ago
10

Hurrrryyyyy pls

Chemistry
1 answer:
deff fn [24]2 years ago
8 0

Answer:

The growth of the plant

Explanation:

The growth of the plant from the bean soil is the dependent variable I believe. This is because it could change depending on many factors for e.g. the amount of light or water

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What is the percent by mass of Fluorine in Nitrogen triflouride NF3?
Kipish [7]

Answer:

The answer to your question is 80.3%

Explanation:

Data

Percent by mass of F

molecules NF₃

Process

1.- Calculate the molar mass of nitrogen trifluoride

molar mass = (1 x 14) + (19 x 3)

                    = 14 + 57

                    = 71 g

2.- Use proportions and cross multiplications to find the percent by mass of F. The molar mass of NF₃ is equal to 100%.

                       71 g of NF₃ ------------------ 100%

                       57 g of F   ------------------- x

                            x = (57 x 100)/71

                            x = 5700 / 71

                            x = 80.3%

3.- Conclusion

Fluorine is 80.3% by mass of the molecule NF₃

           

3 0
3 years ago
In science, what models are usually the best? A: Simple B: Complex C: Alphabetical D: Mathematical
Flura [38]
A) simple.

Hope this helped.
8 0
2 years ago
Read 2 more answers
If an object is accelerating the forces acting on the object are ?​
belka [17]

Answer:

If an object is accelerating the forces acting on the object are BALANCED.

Explanation

if an object is moving at a constant rate of acceleration, the the forces acting upon it are balanced .

7 0
3 years ago
Why is it impossible to ever prove that a hypothesis is true?
maria [59]

Answer: A

Explanation:

Hypothesis have to be based on previous knowledge and have to be able to be tested but the problem is most hypothesis can’t be explained so it’s impossible to prove a hypothesis correct because science uses inductive reasoning

4 0
3 years ago
What does a straight line represent on a distance vs time graph?
stellarik [79]
A straight line on a distance va time graph represents constant speed
3 0
3 years ago
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