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Nataliya [291]
3 years ago
6

How would you separate copper sulfate crystals from its solution?​

Chemistry
1 answer:
tia_tia [17]3 years ago
4 0

Answer: You would separate it by dissolving them.

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Drag each label to the correct location on the image.
Mandarinka [93]

Answer:

<em>Uses energy: Amoeba and clock both use energy</em>

<em>Contains cells: true for the amoeba.</em>

<em>Lacks genetic material: true for a clock.</em>

<em>Reproduces: True for amoeba</em>

<em>Has internal organization: True for amoeba and clock both</em>

<em> </em>

Amoeba can be described as a single-celled organism and hence is a living thing. It will show characteristics of a living thing. Whereas, a clock can be described as a device to watch time. It is a non- living thing.  

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3 years ago
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atroni [7]
The last one would be false
3 0
3 years ago
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A student has the following data: V1 = 822 mL; T1 = 75.0 °C; T2 = 25.0 °C. She uses this data to calculate V1 and gets -274 mL.
luda_lava [24]
Answer to this question is C. Regarding the volume.
4 0
3 years ago
What is the process by which molecules of water vapor in the air become liquid water?
mote1985 [20]
That is called condensation
5 0
3 years ago
The half-life of nitrogen-13 is 10.0 minutes. if you begin with 53.3 mg of this isotope, what mass remains after 25.9 minutes ha
zimovet [89]

Hello!

The half-life is the time of half-disintegration, it is the time in which half of the atoms of an isotope disintegrate.

We have the following data:

mo (initial mass) = 53.3 mg

m (final mass after time T) = ? (in mg)

x (number of periods elapsed) = ?

P (Half-life) = 10.0 minutes

T (Elapsed time for sample reduction) = 25.9 minutes

Let's find the number of periods elapsed (x), let us see:

T = x*P

25.9 = x*10.0

25.9 = 10.0\:x

10.0\:x = 25.9

x = \dfrac{25.9}{10.0}

\boxed{x = 2.59}

Now, let's find the final mass (m) of this isotope after the elapsed time, let's see:

m =  \dfrac{m_o}{2^x}

m =  \dfrac{53.3}{2^{2.59}}

m \approx \dfrac{53.3}{6.021}

\boxed{\boxed{m \approx 8.85\:mg}}\end{array}}\qquad\checkmark

I Hope this helps, greetings ... DexteR! =)

3 0
3 years ago
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