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Flauer [41]
2 years ago
15

Jean and her mother were taking a walk when they saw the two rocky outcrops in the diagram below.

Chemistry
1 answer:
Veseljchak [2.6K]2 years ago
5 0

Answer:

you have to attach the diagram

Explanation:

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Calculate the number of moles of Cl atoms in 3.01×1024 formula units of magnesium chloride, MgCl2.
natta225 [31]
Answer: 10 moles
To find how many moles, you need to divide the number of atoms with 6.02 * 10^23. Since every magnesium chloride has two chlorine atoms, you need to multiply it by 2. The calculation would be:  3.01×10^24  * 2 / 6.02 * 10^23= 10 moles
8 0
2 years ago
Read 2 more answers
Though alchemy was not a part of seven liberal arts curriculum in per-modern Europe education, alchemical experiments caused imp
Galina-37 [17]

Answer:

The goal of the alchemists, who practiced from 400-1400 AD, was to transmute common elements (like lead) into gold. The alchemists used symbols to identify elements, and made many important discoveries which led to the development of the modern science of chemistry.

Explanation:

Alchemists were contracted by the elite for practical purposes related to mining, medical services, and the production of chemicals, medicines, metals, and gemstones. Entrepreneurial opportunities were common for the alchemists of Renaissance Europe.

Alchemy was based on the belief that there are four basic elements in nature: air, fire, water and earth. Alchemy is an ancient practice shrouded in mystery and secrecy. Its practitioners mainly sought to turn lead into gold, a quest that has captured the imaginations of people for thousands of years

The difference between alchemy and modern chemistry is alchemy is based on a mystic, supernatural view of reality, whereas chemistry assumes reality is basically natural. That makes a huge difference, and chemistry would never have gotten very far if it had stuck with the old metaphysics.  

Despite these connotations of the mythic and mystical, alchemical practice played an important role in the evolution of modern science to discover the relationship of humans to the cosmos and use that understanding to improve the human spirit. Alchemy was scientific but it was also a spiritual tradition.

5 0
3 years ago
Can anyone help with thiss??
IrinaVladis [17]
  1. l
  2. kg
  3. cm
  4. gm
  5. ml
  6. km,m
  7. m
  8. nm
  9. mg
  10. ms
  11. gm
  12. nm
  13. .
  14. .
  15. l,gm
  16. .
  17. kg
  18. m
  19. gm,m
  20. s

Hope this helps :-). And....

ml: milliliter

kg: kilogram

m: meter

mg: milligram

mm: millimeter

ms: millisecond

l: liter

km: kilometer

µg: micro gram

cm: centimeter

g: gram

nm: nano meter


5 0
3 years ago
Identify the power of ten that defines each of these prefixes. Input your answers as 10 x where x is the power of ten. nano- ___
Gemiola [76]

<u>Answer:</u> The quantity of every prefix is written below as a power of ten.

<u>Explanation:</u>

In the metric system of measurement, the name of multiples and subdivision of any unit is done by combining the name of the unit with the prefixes.

<u>For Example:</u> deka, hecto and kilo means 10, 100 and 1000 respectively. Deci, centi and milli means one-tenth, one-hundredth, and one-thousandth respectively.

The quantity of these prefixes are written as the power of 10.

For the given prefixes:

<u>Nano:</u>  The quantity will be 10^{-9}

<u>Kilo:</u>  The quantity will be 10^3

<u>Centi:</u>  The quantity will be 10^{-2}

<u>Micro:</u>  The quantity will be 10^{-6}

<u>Milli:</u>  The quantity will be 10^{-3}

<u>Mega:</u>  The quantity will be 10^6

Hence, the quantity of every prefix is written above as a power of ten.

7 0
3 years ago
The size of an organism is most likely determined by...?
kotegsom [21]

Answer:

3

Explanation:

3 0
3 years ago
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