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Tanzania [10]
2 years ago
13

5. Found only in plant cells, I'm as green as can be! I make food for the plant from the sun's

Chemistry
1 answer:
LenKa [72]2 years ago
7 0

Answer:

Chloroplast

Explanation:

Chloroplasts are found in plant cells and are a shade of green, they capture light energy and use it to make energy!

hope i helped you out:)

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In 1803, the British chemist John Dalton proposed several atomic theories. Which one of his theories was later shown to be incor
Serggg [28]
Option C: I and II only.

The atoms have subparticles and the isotops are atoms of the same element that differ in the number of neutrons.
6 0
2 years ago
What is the amount of heat released when 25g of water cools 12.5 degrees C ?
Over [174]
Water can't cool at a single temperature. It must start at a higher temperature, and drop to a lower temperature in order to cool. Unless we know the other temperature, there is no way to calculate the amount of thermal energy released.
4 0
2 years ago
if 203 mL of water is added to 5.00 mL of 4.16 M KCl solution, what is the concentration of the dilute solution
Sever21 [200]

Answer:0.100

Explanation:

5 0
2 years ago
From the Bohr equation in the introduction, the calculated energy of an electron in the sixth Bohr orbit of a hydrogen atom is
Natalka [10]

Answer:

<em><u>= - 0.38 eV</u></em>

Explanation:

Using Bohr's equation for the energy of an electron in the nth orbital,

E = -13.6 \frac{Z^{2} }{n^{2} }

Where E = energy level in electron volt (eV)

Z = atomic number of atom

n = principal state

Given that n = 6

⇒ E = -13.6 × \frac{1^{2} }{6^{2} }

<em><u>= - 0.38 eV</u></em>

<em><u></u></em>

<em>Hope this was helpful.</em>

<em><u></u></em>

4 0
2 years ago
What mass of oxygen reacts when 84.9 g of iron is consumed in the following reaction: Fe+O2= Fe2O3
konstantin123 [22]
First we will calculate the number of moles of Iron:
n =  \frac{m}{M}&#10;, where n is the number of moles, m is the mass of iron in the reaction and M is the Atomic weight.
n= \frac{84.9}{55.845} = 1,52 moles of Iron.
The same number of moles of Oxygen will take part in the reaction.
So 1,52= \frac{mOxygen}{32} where 32 is the Atomical Weight of Oxygen (16 x 2).
=>mOxygen=32*1,52=48,64g
6 0
2 years ago
Read 2 more answers
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