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Marizza181 [45]
3 years ago
12

What is the independent variable in this investigation and what is the dependent variable in this investigation and how do you g

raph it

Chemistry
1 answer:
zysi [14]3 years ago
3 0
Length of the pendulum is the independent variable
Number of back and forth cycles in 15 secs is the dependent variable
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Which of the following methods will usually cause a reaction to speed up? Combining the reactants at a lower temperature. Reduci
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Ans: grinding one of the reactants into a powder.

this increases the surface area and hence there would be more chances of collisions happening. therefore reaction rate would increase
6 0
4 years ago
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Which statement best illustrates how mixtures and pure substances are different?
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Answer:

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3 years ago
Seeds are produced during secual reproduction. describe one function of seeds produced by plant
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Off springs are created

: Hope this helps :)
7 0
3 years ago
____________________ 2. what kind of solution contains more hydrogen ions than hydroxide ions?
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The answer is basic solution
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8 0
4 years ago
Which law states that the volume and absolute temperature of a fixed quantity of gas are directly proportional under constant pr
Delvig [45]
<h2>Hello!</h2>

The answer is: Charle's Law.

<h2>Why?</h2>

The law that states that the volume and absolute temperature of a fixed quantity of gas (ideal gas) are proportional under constant pressure is the Charle's Law, also known as the law of volumes.

The law describes how a gas kept under constant pressure tends to expand when the temperature increases and it's described by the following equation:

\frac{V}{T}=k

Where,

V=Volume\\T=Temperature\\k=constant

Also, to describe the relationship between two differents volumes at different temperatures, we have:

\frac{V_{i}}{T_{i}}=\frac{V_{f}}{T_{f}}

Where,

V_{i}=InitialVolume\\T_{i}=InitialTemperature\\V_{f}=FinalVolume\\T_{f}=FinalTemperature

Have a nice day!

8 0
3 years ago
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