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trasher [3.6K]
3 years ago
11

What are two reasons a common measuring system is important? Make sure you answer in complete sentences.

Chemistry
1 answer:
timama [110]3 years ago
5 0
For the answer to the question above, t<span>he use of a common measuring system makes it easier for people from different countries to communicate with each other. And also, the use of a common measuring system means a measurement in that unit has the same value anywhere in the world.

For more information, 
</span>1) It allows for international cooperation. This means that for example, you can understand and work with other people's results, you can cooperate with other people in production of goods (if you produce one part of something and they produce another) and you can repeat their experiments to see if their results were sound

2) It reduces errors caused by not rigorous measurement: a common measurement supports more exact specification of the measuring units, since many people work towards specifying it exactly. 
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A can of coke contains 25 mL of carbon dioxide gas at 100kPa. If you take it on a hike up Mount Everest and the pressure decreas
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Answer:

50 mL

Explanation:

We can solve this problem by using Boyle's Law, which states that:

"For a fixed mass of an ideal gas kept at constant temperature, the pressure of the gas is inversely proportional to its volume"

Mathematically:

p\propto \frac{1}{V}

where

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The equation can be rewritten as

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where in this problem:

p_1 = 100 kPa is the initial pressure of the gas in the coke

V_1=25 mL is the initial volume

p_2=50 kPa is the final pressure

Solving for V2, we find the final volume:

V_2=\frac{p_1 V_1}{p_2}=\frac{(100)(25)}{50}=50 mL

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Which set of data is more precise?
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Using full detail, describe the theory of plate tectonics.
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