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bazaltina [42]
4 years ago
8

Why is it important to control all of the variables except one in an experiment?

Chemistry
2 answers:
Ad libitum [116K]4 years ago
5 0
Any given experiment has numerous control variables, and it's important for a scientist to try to hold all variables constant except for the independent variable. If a control variable changes during an experiment, it may invalidate the correlation between the dependent and independent variables.



It’s copied and pasted from google so make sure to put it in your words :)

Alborosie4 years ago
5 0
So you can tell exactly which variable caused the reaction.
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Describe the structural and compositional layers of Earth.
weqwewe [10]

Answer:

The Earth has different compositional and mechanical layers. Compositional layers are determined by their components, mechanical layers are determined by their physical properties. The outermost solid layer of a rocky planet or natural satellite. The Earth has an outer core that is liquid and an inner core that is solid.

6 0
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What Happens when the temperature of an object increases?
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D) The objects particles move closer together.
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A certain substance x decomposes. it is found that 50% of x remains after 100 minutes. how much x remains after 200 minutes if t
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The time needed for a substance becomes half of it mass is called half-time, after. In this case, the half time is 100 minutes. Then to know how much substance remain after 200 minutes the equation would be:

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6 0
4 years ago
How many significant digits are in 5.100 x 103?
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4 0
4 years ago
Question 10
creativ13 [48]

Answer:

M₂  = 0.08 M

Explanation:

Given data:

Initial volume = 25.0 mL

Initial molarity = 0.500 M

Final volume = 150.0 mL

Final molarity = ?

Solution:

Formula:

M₁V₁          =     M₂V₂

0.500 M × 25.0 mL = M₂ ×  150.0 mL

M₂  = 0.500 M × 25.0 mL /   150.0 mL

M₂  = 12.5 M.mL /150.0 mL

M₂  = 0.08 M

5 0
3 years ago
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