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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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nevsk [136]
Ionic reaction when a metal and non metal are together a molecule is when a metal abs metal react hope this helps
8 0
3 years ago
12. If a solution has a pH of 3, what would the pOH value of that solution be? *
butalik [34]

Answer:

The correct answer is pOH= 11

Explanation:

From the aqueous acid-base equilibrium we know that

pH + pOH = 14

If we know pH, we can calculate pOH as follows:

pOH = 14 - pH

In this problem, the solution has a pH of 3, so:

pOH = 14 - 3 = 11

8 0
2 years ago
Read 2 more answers
Which events represents a chemical change ?
8_murik_8 [283]
D milk turning sour 
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5 0
3 years ago
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Which of the following is a correct lewis structure for sulfur dioxide, so2?
pshichka [43]

The correct Lewis structure of SO2 is the Lewis structure that shows all the 12 valence electrons in the molecule.

A Lewis structure shows the number of valence electrons on the valence shell of all the atoms in a compound. The electrons are shown as dots around the symbol of each element or a dash to indicate shared electrons in a covalent bond.

Looking at the Lewis structure of SO2 attached to this answer, we can see the twelve valence electrons in the molecule and how they are distributed around each atom as shown.

Learn more: brainly.com/question/20514601

3 0
1 year ago
What is the density (g / mL) of a substance that has a mass of 8.11 g and, when placed into a graduated cylinder, causes the wat
MAXImum [283]

Answer:

<h3>The answer is 0.42 g/mL</h3>

Explanation:

The density of a substance can be found by using the formula

density =  \frac{mass}{volume} \\

From the question

mass = 8.11 g

volume = final volume of water - initial volume of water

volume = 44.72 - 25.26 = 19.46 mL

We have

density =  \frac{8.11}{19.46}  \\  = 0.416752312...

We have the final answer as

<h3>0.42 g/mL</h3>

Hope this helps you

8 0
3 years ago
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