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ivanzaharov [21]
3 years ago
5

Is sublimation heating or cooling and also deposition what is it?

Chemistry
1 answer:
Alexxandr [17]3 years ago
3 0
Deposition<span> is a </span>thermodynamic process<span>, a </span>phase transition<span> in which </span>gas<span> transforms into </span>solid<span> without passing through the </span>liquid phase<span>. The reverse of deposition is </span>sublimation   sublimation is cooling hope this helps!!
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A solution is a(n) A. heterogeneous mixture. B. homogenous mixture. C. mixture where everything keeps it's own properties.
ICE Princess25 [194]
B. Homogeneous


Look we have two types of mixture

1. Homogeneous: include solution
2. Heterogeneous: that include colloid & suspension


8 0
4 years ago
Which unit of measurement is used in the metric system miles kilograms gallons tons
gladu [14]

Answer:

Kilograms

Explanation:

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4 0
3 years ago
I’m not good at chemistry
dimulka [17.4K]

Answer:

λ = 5.56 × 10⁻³ m

Explanation:

You have to use the formula c = λv to solve the problem.  Review what you are given.  You are given v and c, where v = 5.40 × 10¹⁰ Hz and c = 3.00 × 10⁸ m/s.  The value c is for the speed of light and is something you need to memorize.  You will use it often in physics and sometimes in chemistry.

Now that you figured out what you know, you can see that there is only one unknown, allowing you to solve.

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Imagine that all microorganism suddenly disappeared from earth from what u have learned why do u think that animals would eventu
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A brine is used to measure the absolute permeability of a core plug. The rock sample is 4 cm long and 3 cm 2 in cross section. T
nydimaria [60]

Answer : The absolute permeability is, 0.111 darcys.

Explanation : Given,

Volumetric constant rate = 0.5cm^3/s

Cross section area = 3cm^2

Pressure = 2 atm

Viscosity = 1.0 cp

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From the Darcy equation  we conclude that,

\text{Volumetric constant rate}=\frac{(\text{Absolute permeability}\times A\times P)}{\eta \times l}

where,

A = cross section area

P = pressure

\eta = viscosity

l = length of rock

Now put all the given values in the above formula, we get:

0.5cm^3/s=\frac{(\text{Absolute permeability}\times 3cm^2\times 2\text{ atm})}{1.0cp \times 4cm}

\text{Absolute permeability}=0.111\text{ darcys}

Therefore, the absolute permeability is, 0.111 darcys.

8 0
3 years ago
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