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Temka [501]
3 years ago
9

The different parts of a Test Tube.

Chemistry
1 answer:
Citrus2011 [14]3 years ago
3 0

Answer: :)

Explanation:

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Between Na and Na+ which has larger size​
viva [34]

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Na+ is smaller than Na because, it has given away one electron because of which the electron shielding gets stronger due to more protons and less electrons. Whereas, Cl- is larger than Cl because it has gained an extra electron and so, the no.07‏/12‏/2010

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A solid piece of lead has a mass of 23.94g and a volume of 2.10cm^3. from these data, calculate the density of lead in si units
jeyben [28]
A density of a substance is constant. It is an extensive property, meaning it does not depend on the amount of substance because it is a ratio of mass to volume. No matter how much of each there is, they would always have a fixed ratio called density. For lead, the density is

Density = mass/volume
Density = 23.94 g/ 2.10 cm³
Density = 11.4 g/cm³
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3 years ago
What happens if a cell cannot do cellular respiration?
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the cell enentually dies because it has no way to survive

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false

in chemical reaction element doesnot change into another

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