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max2010maxim [7]

3 years ago

8

Compare the patterns of earthquakes, volcanoes, and mountain ranges on earth?

1 answer:

IgorC [24]3 years ago

6 0

At diverging plate boundaries, earthquakes occurs as the plates pull away from each other. Volcanoes form between the plates, as magma rises upward from the underlying mantle. Second, two plates may come together, at a converging plate boundary. Two situations are possible at converging plate boundaries.

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A flask with a volume of 3.16 l contains 9.33 grams of an unknown gas at 32.0°c and 1.00 atm. What is the molar mass of the gas?

Inessa05 [86]

Answer:

73.88 g/mol

Explanation:

For this question we have to keep in mind that the unknown substance is a <u>gas</u>, therefore we can use the <u>ideal gas law</u>:

$PV=nRT$

In this case we will have:

P= 1 atm

V= 3.16 L

T = 32 ªC = 305.15 ºK

R= 0.082 $\frac{atm*L}{mol*K}$

n= ?

So, we can <u>solve for "n"</u> (moles):

$1~atm*3.16~L~=~n*0.082~\frac{atm*L}{mol*K}*305.15~K$

$n=\frac{1~atm*3.16~L~}{0.082~\frac{atm*L}{mol*K}*305.15~K}$

$n=0.126~mol$

Now, we have to remember that the <u>molar mass value has "g/mol"</u> units. We already have the grams (9.33 g), so we have to <u>divide</u> by the moles:

$molar~mass=\frac{9.33~grams}{0.126~mol}$

$molar~mass=73.88\frac{grams}{mol}$

7 0

3 years ago

List the following objects in order from lowest inertia to highest inertia

m_a_m_a [10]

I don’t see nun tho where’s the objects

5 0

2 years ago

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Force necessary to change an object's motion

igomit [66]

Yes force is necessary

8 0

3 years ago

A similarity between the forces involved in both ionic and covalent bonding is that both A. involve the sharing of electrons. B.

NISA [10]

Answer:

C. involve the attraction of opposite charges

Explanation:

<em>Ionic bonding</em> involves the attraction between <em>oppositely charged ions</em>, as in Na⁺ Cl⁻.

<em>Covalent bonding</em> involves the attraction between <em>negatively charged electrons and positivey charged nuclei</em>, as in a C-H bond.

A is <em>wrong</em>. Ionic bonding involves the transfer of electrons.

B is <em>wrong</em>. Covalent bonding involves the sharing of electrons.

D is <em>wrong</em>. Ionic bonds are usually stronger than covalent bonds.

5 0

3 years ago

How well can you apply Charles’s law to this sample of gas that experiences changes in pressure and volume? Assume that pressure

anzhelika [568]

Answer:

A: 384

B: 0.85

C: 1.1

D: 221

Explanation:

3 0

3 years ago

Read 2 more answers