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DochEvi [55]
3 years ago
14

A vector always consists of

Chemistry
1 answer:
bija089 [108]3 years ago
7 0
Hope this helps <span>A vector always consists of a direction and magnitude. F</span>
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Porquê que o potássio é mais reativo que o cálcio? urgente!
saul85 [17]

Answer: O potássio possui apenas um elétron de valência. ... Considerando que o cálcio possui dois elétrons de valência, requer mais energia para a remoção de um elétron de valência. Devido a esse potássio, é mais reativo que o cálcio.

Explanation:

4 0
3 years ago
Diamond cannot conduct electricity but graphite can,why​
zavuch27 [327]

Diamond does not conduct electricity because it has no delocalized electron to conduct electricity.

8 0
2 years ago
What is it called when the moon blocks the view from the sun?
defon

Answer:

solar eclipse

Explanation:

8 0
2 years ago
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How would the moon appear from earth if the moon did not rotate?
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4 0
3 years ago
How many moles of calcium carbonate-CaCO3 = 4.15 g​
marin [14]

Answer:

Number of moles = 0.042 mol

Explanation:

Given data:

Number of moles = ?

Mass of calcium carbonate = ?

Solution:

Formula:

Number of moles = mass/ molar mass

now we will calculate the molar mass of calcium carbonate.

atomic mass of Ca = 40 amu

atomic mass of C = 12 amu

atomic mass of O = 16 amu

CaCO₃ = 40 + 12+ 3×16

CaCO₃ = 40 + 12+48

CaCO₃ = 100 g/mol

Now we will calculate the number of moles.

Number of moles = 4.15 g / 100 g/mol

Number of moles = 0.042 mol

3 0
3 years ago
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