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Vinil7 [7]
3 years ago
9

a 0.500 M. solution is to be diluted to 500.0 mL of a 0.150 M soulution. How many mL of the 0.500 M solution are required

Chemistry
1 answer:
Nastasia [14]3 years ago
5 0
Http://www.wasatch.edu/cms/lib/UT01000315/Centricity/Domain/647/dilution%20problems%20answers.pdf it would be question 5 if you can read it.
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Materials that conduct heat and electricity well in the solid state result when: 1. metals bond with metals 2. any type of eleme
Andre45 [30]
Answer: Metals bond with metals.  
Explanation: A metallic bond is a sharing of electrons between many atoms of a metal element. Metallic bonding is when positive ions (metals) are in a 'sea of negative electrons'. The electrons are delocalised, which means they can move around easily and carry charge, and this enables it to conduct electricity, even in a solid state. The big pool of electrons is like a free-for-all in that any valence electron can move to any atom within the material.
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3 years ago
How many carbon atoms are in 7.05 moles of pyridine
NemiM [27]
First, it is best to know the chemical formula of pyridine which is C5H5N. To determine the number of carbon atoms present in pyridine, multiply 7.05 mol C5H5N with 5 mol C/ 1 mol C5H5N which then results to 35.35 mol of carbon. Then, multiply the answer to Avogadro's number which is 6.022x10^23 atoms. It is then calculated that the number of carbon atoms in 7.05 moles of pyridine is 2.12x10^25 atoms. 
5 0
3 years ago
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Dr. Patel and her team have been using GPS to track two plates that are moving toward each
Andru [333]

C: One plate is going underneath the other plate and sinking into the soft rock below.

Explanation:

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Learn more:

Lithosphere brainly.com/question/9582362

#learnwithBrainly

7 0
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Given the balanced equation representing a reaction at 101.3 kPa and 298 K:
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Answer (4)

Endothermic processes: are those in which occurs the absorption of heat.
the change of enthalpy (ΔH) is greater <span>than zero.
</span>
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8 0
3 years ago
Please hurry!!! And help!!
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Answer:

D

Explanation:

5 0
3 years ago
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