3 years ago

A student observes chloroplasts in the micrograph of a cell.

Chemistry

2 answers:

marishachu [46]3 years ago

8 0

Answer:

Plant cell

Explanation:

Chloroplast are only found in plant cells

allochka39001 [22]3 years ago

6 0

Answer:

I think it's fungus or plant cell

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The volume of a carbon atom is 1.9 x 10–30 m3. What is the radius of the atom in picometers? The volume of a sphere is (4/3)(pi)

skelet666 [1.2K]

Volume of sphere = $\frac{4}{3}\pi r^{3}$

where, $\pi$ = $3.14$

r = radius of sphere

Put the given value of volume in above formula i.e. ( $1.9\times 10^{-30}m^{3}$ )

Thus,

$1.9\times 10^{-30}m^{3} = \frac{4}{3}\3.14 r^{3}$

$1.9\times 10^{-30}m^{3} = 4.1867 r^{3}$

$r^{3} = \frac{1.9\times 10^{-30}m^{3}}{4.1867}$

$r^{3} = 0.453\times 10^{-30}m^{3}$

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= $0.768\times 10^{-10}m$

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6 0

3 years ago

Read 2 more answers