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Alecsey [184]
3 years ago
12

Number 10 plz :D tysm!!!

Chemistry
2 answers:
dolphi86 [110]3 years ago
7 0
The answer is B because<span> as </span>plates<span> made of oceanic crust pull apart, a crack in the ocean floor appears. Magma then oozes up from the mantle to fill in the space between the </span>plates<span>, forming a raised ridge called a mid-ocean ridge.

</span>
AnnyKZ [126]3 years ago
4 0
Hi!
Answer:
B) Two tectonic plates pullaway from each other, forming a rift valley or midocean ridge.
Hope this helps u! ;)
-Ari.
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WOULD YOU BE ABLE TO FORM RUST WITHOUT OXYGEN? Explain.
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Answer:

No

Explanation:

Rust is an iron oxide, a usually reddish-brown oxide formed by the reaction of iron and oxygen in the catalytic presence of water or air moisture.

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2 years ago
Which of the following is represented in the highest percentage by volume in dry air?
Cerrena [4.2K]
A) Nitrogen Hope this helped you
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2 years ago
Show that the Joule-Thompson Coefficient is zero for ideal gas.
melomori [17]

Answer:

Joule-Thomson coefficient for an ideal gas:

\mu_{J.T} = 0

Explanation:

Joule-Thomson coefficient can be defined as change of temperature with respect to pressure at constant enthalpy.

Thus,

\mu_{J.T} = \left [\frac{\partial T}{\partial P} \right ]_H

Also,

H= H (T,P)

Differentiating\ it,

dH= \left [\frac{\partial H}{\partial T}\right ]_P dT + \left [\frac{\partial H}{\partial P}\right ]_T dT

Also, C_p is defined  as:

C_p = \left [\frac{\partial H}{\partial T}\right ]_P

So,

dH= C_p dT + \left [\frac{\partial H}{\partial P}\right ]_T dT

Acoording to defination, the ethalpy is constant which means dH = 0

So,

\left [\frac{\partial H}{\partial P}\right ]_T = -C_p\times \left [\frac{\partial T}{\partial P}\right ]_H

Also,

\mu_{J.T} = \left [\frac{\partial T}{\partial P}\right ]_H

So,

\left [\frac{\partial H}{\partial P}\right ]_T =-\mu_{J.T}\times C_p

For an ideal gas,

\left [\frac{\partial H}{\partial P}\right ]_T = 0

So,

0 =-\mu_{J.T}\times C_p

Thus, C_p ≠0. So,

\mu_{J.T} = 0

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3 years ago
classify each solution as either an acid or a base using the properties that are stated. what are two ways these solutions are s
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Probably too late to help but solution a is likely a base while solution b is an acid.

two similar things: both are aqueous solution and they are not neutral.
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When a plant responds to changes in the length of day by flowering during certain seasons, it is called
lina2011 [118]

Answer: photoperiodism

8 0
3 years ago
Read 2 more answers
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