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Harlamova29_29 [7]
3 years ago
7

How does a one cell amoeba live?

Chemistry
1 answer:
Nadusha1986 [10]3 years ago
5 0

it lives by floating around the cell membrane and passing through the cell

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What happens to particles during a physical change?
AnnZ [28]

Answer:

im pretty sure they heat up

Explanation:

as they use energy to go from solid to liquid to gas, they need heat to do so as they have a melting and boiling point

3 0
3 years ago
Una disolución contiene 50 gramos de KOH en 0.25 L de Determine la Molaridad de la disolución
snow_tiger [21]

Answer:

1. 3.56 M.

2. 0.99 M.

Explanation:

¡Hola!

1. En este caso, dado que la molaridad de una solution es calculada por medio de la siguiente ecuación:

M=\frac{n}{V}

Es posible calcular la molaridad de 50 gramos de hidróxido de potasio primero calculando las moles en dicha masa por medio de la masa molar:

n=50.0gKOH*\frac{1molKOH}{56.11gKOH}=0.891molKOH

Luego, dado el volumen de la solución, podemos calcular la molaridad:

M=\frac{0.891mol}{0.25L}=3.56M

2. En este segundo ejercicio, procedemos de la misma manera, pues primero calculamos las moles de nitrato de potasio:

n=75gKNO_3\frac{1molKNO_3}{101.1gKNO_3}=0.742mol

Luego, calculamos la molaridad justo como se hizo anteriormente:

M=\frac{0.742mol}{0.35L} \\\\M=0.99M

Best regards!

3 0
3 years ago
Can someone please explain to me the metallic bond?
Arlecino [84]
Metallic bond is the electrostatic attraction between a positive ion and delocalised(free)electrons

6 0
4 years ago
How does the corona of the Sun affect earth
SIZIF [17.4K]

Answer:

I don't think it does affect Earth

Explanation:

The sun is too far away to get corona let alone spread it.

6 0
3 years ago
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Describe a way to separate iron filings from sand.<br><br> Enter your answer in the space provided.
Lina20 [59]
Use the magnetic force of iron filings
5 0
3 years ago
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