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vladimir1956 [14]
3 years ago
12

Bob uses SI units to measure his running distance. Which units should he use

Chemistry
1 answer:
PIT_PIT [208]3 years ago
7 0

Answer:

Distance measures length. For example, the distance of a road is how long the road is. In the metric system of measurement, the most common units of distance are millimeters, centimeters, meters, and kilometers.

Explanation:

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H₃C-Ç=CCH₃<br>сна сHз (what is the name of this <br> chemical formula)​
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Answer:2,3 -dimethyl-2-butenr

Explanation:

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When an object that is moving slows down, which action must be occurring?
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C unbalanced force is occuring
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What effect does a quadrupling of the mass have upon the acceleration of the object
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3 years ago
What is the empirical formula of propene CH3 CH2 CH2​
kiruha [24]

Answer:

<u>CH</u>

Explanation:

Molecular formula of propene : <u>C₃H₆</u>

Take the HCF of carbon and hydrogen atoms :

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  • 6 = 2 x 3

Then, we can write the formula as :

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Empirical Formula :

  • Molecular Formula / No. of moles
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<u></u>

The empirical formula of propene is <u>CH</u>

6 0
1 year ago
A solution contains 0.140 mol KCl in 2.100 L water. What is the concentration of KCl in g/L?
viva [34]
<h3><u>Answer</u>;</h3>

≈ 4.95 g/L

<h3><u>Explanation;</u></h3>

The molar mass of KCl = 74.5 g/mole

Therefore; 0.140 moles will be equivalent to ;

 = 0.140 moles × 74.5 g/mole

 = 10.43 g

Concentration in g/L

   = mass in g/volume in L

   = 10.43/2.1

   =  4.9667

<h3>   <u> ≈ 4.95 g/L</u></h3>
4 0
3 years ago
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