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snow_lady [41]
4 years ago
8

What does variable mean in a science project.

Chemistry
2 answers:
Arte-miy333 [17]4 years ago
7 0
Variable is any factor, trait, or condition that can exist in differing amounts or type. experiments usually have three kids of variables: independent, <span>dependent, and controlled. independent variable is the one that gets changed by the scientist. i hope this helps alot</span>
Paul [167]4 years ago
6 0
Well, an independent variable ids the thing that  stays the same and a dependent variable is the thing that changes.

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0.25 mol of nitric acid is used to make a 0.10 M nitric acid solution. What is the total volume of nitric acid in liters
Lelu [443]

Answer:

2.5 L will be the volume of HNO₃

Explanation:

To find out the total volume of nitric acid in liters we begin from molarity.

HNO₃ solution is 0.10 M

This means that 0.10 moles are contained in 1L of solution.

As we used 0.25 moles of nitric, let's determine the volume by a rule of three:

0.10 moles of nitric acid are contained in 1L of solution

0.25 moles of nitric acid will be contained in (0.25 . 1) / 0.1 = 2.5 L

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What is the density of a substance with a volume of 5.0 mL and a mass of 15.0g?
user100 [1]

Answer:

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Explanation:

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3 years ago
Convert 23.92inHg to Pa.
andriy [413]

Answer:

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Read 2 more answers
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