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katen-ka-za [31]
3 years ago
6

Why does the moon appear to move across the sky

Chemistry
1 answer:
arsen [322]3 years ago
3 0
Hello the moon is not moving but it is going through the lunar cycle. The picture is a blood moon

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Alice added sodium chloride to water and stirred the water for several minutes. Alice is most likely trying to demonstrate that
SashulF [63]

Answer is: 2. can dissolve.

Ionic compounds separates into particles (ions) in water because of their ionic bond.

For example sodium chloride is ionic compound and strong electrolyte and dissociates in water on hydrated sodium cations and chlorine anions:

NaCl(aq) → Na⁺(aq) + Cl⁻(aq).

Ionic bond is the electrostatic attraction between oppositely charged ions (cations and anions).

6 0
3 years ago
Read 2 more answers
What is the pressure of 1.50 moles of a gas in a 30.0L tank at a temperature of<br> 285K?
julia-pushkina [17]

The pressure of the gas : 1.1685 atm

<h3>Further explanation</h3>

In general, the gas equation can be written  

\large {\boxed {\bold {PV = nRT}}}

where  

P = pressure, atm  

V = volume, liter  

n = number of moles  

R = gas constant = 0.08206 L.atm / mol K  

T = temperature, Kelvin  

n=moles=1.5

V=volumes = 30 L

T=temperature=285 K

The pressure :

\tt P=\dfrac{nRT}{V}\\\\n=\dfrac{1.5\times 0.082\times 285}{30}\\\\P=1.1685~atm

7 0
2 years ago
Which planet has these characteristics? - the only planet to have liquid water on its surface - almost three quarters of its sur
sp2606 [1]
Well assuming we have all of these, earth
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Where are human cells located (in living organisms)
defon
All inside and out in the human body
3 0
3 years ago
My teacher always pairs me up with her son, and is always talking about how she wishes I was her daughter and how much I'm like
VikaD [51]

Answer:

... its called a inogounsess

sExplanation:

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