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Flura [38]
3 years ago
12

What are two reasons why scientists use the metric system

Chemistry
2 answers:
fiasKO [112]3 years ago
7 0
1.) the metric system is universal
2.) this system of measurement makes it possible for scientists from all parts of the world to understand and agree upon the measurements taken within an experiment.
omeli [17]3 years ago
4 0
The metric system is used because it is based on the number 10. Ten is easy to use for mathematical operations and conversions.

It is also easy to use for scientific notation when you are referring to powers of ten. There are extremely large and extremely small numbers in science. Thus, scientific notation allows for accurate abbreviated ways to symbolize these numbers. For instance, if I were to say 1,000, in scientific notation it would be 1 x 10 ^3. If I was to say 1,000,000, I would scientifically write 1 x 10 ^6.  

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You need to make 10.0 L of 1.2 M KNO3. What molar ( concentration) would the potassium nitrate solution need to be if you were t
solniwko [45]

Answer:

2.5L [NaCl] concentrate needs to be 4.8 Molar solution before dilution to prep 10L of 1.2M KNO₃ solution.

Explanation:

Generally, moles of solute in solution before dilution must equal moles of solute after dilution.

By definition Molarity = moles solute/volume of solution in Liters

=> moles solute = Molarity x Volume (L)

Apply moles before dilution = moles after dilution ...

=> (Molarity X Volume)before dilution = (Molarity X Volume)after dilution

=> (M)(2.5L)before = (1.2M)(10.0L)after

=> Molarity of 2.5L concentrate = (1.2M)(10.0L)/(2.5L) = 4.8 Molar concentrate

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2 years ago
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jek_recluse [69]
Best visible at 9.pm during the month of August. (Sagittarius is best observed during the Northern hemisphere summer months) .. I hope this helped ?
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Which object traveled at a greater speed?
agasfer [191]
Object B I know it lol
5 0
3 years ago
Read 2 more answers
Referring to the experiment in which the scientists studies how long it
pshichka [43]

Answer:

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this is what is being changed throughout the experiment

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I don’t know how to solve this
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Hi,

Answer is 191.2.

800J = 191.2 cal

Hope this helps.
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