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3 years ago

if you see a dark mass similar to a blown-up balloon at the top of a volcano, what type of feature are you most likely viewing

1 answer:

6 0

Conventional volcanoes are known to erupt after pressure builds up from new magma flowing into the magma chambers that lie below the vents on the Earth's surface.

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HC2H3O2 (aq) + H2O (l) ⇔ C2H3O2- (aq) + H3O+ (aq) Ka = 1.8 x 10-5

marin [14]

The concentration of [H3O⁺]=2.86 x 10⁻⁶ M

<h3>Further explanation</h3>

In general, the weak acid ionization reaction

HA (aq) ---> H⁺ (aq) + A⁻ (aq)

Ka's value

$\large {\boxed {\bold {Ka \: = \: \frac {[H ^ +] [A ^ -]} {[HA]}}}}$

Reaction

HC₂H₃O₂ (aq) + H₂O (l) ⇔ (aq) + H₃O⁺ (aq) Ka = 1.8 x 10⁻⁵

$\tt Ka=\dfrac{[C_2H_3O^{2-}[H_3O^+]]}{[HC_2H_3O_2]}}\\\\1.8\times 10^{-5}=\dfrac{0.22\times [H_3O^+]}{0.035}$

[H₃O⁺]=2.86 x 10⁻⁶ M

5 0

3 years ago

Why do a planets speed change in orbit

gayaneshka [121]

According to Kepler's second law of orbital motion, a plane's orbital speed changes , depending on how far it is from the sun. The closer a planet is to the sun, the stronger the sun's gravitational pull on it, and the faster the planet moves. The farther away from the sun, the weaker the sun's gravitational pull and the slower it moves in its orbit.

The orbit of a planet around the sun is not a perfect circle, but an ellipse - a flattened circle.

3 0

3 years ago

How many grams are in 562 dg? 56.2 g 56,200 g 5.620 g 5.62 g

lana66690 [7]

Answer:

56.2

Explanation:

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7 0

3 years ago

Yes thank you I love and appreciate this so much woooo

Natali5045456 [20]

Thank you for the points

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4 0

3 years ago

Read 2 more answers

What is the relationship between the Kuiper Belt and the status of Pluto today?

Xelga [282]

Pluto is a dwarf planet, but one of the largest known members, in the Kuiper belt.

The Kuiper Belt extends between 30 AU and 55 AU from the Sun

(1 AU = 1.5 × 10^8 km = distance from Earth to Sun).

Pluto's orbit is highly elliptical. It ranges from 30 AU to 50 AU. When Pluto is closest to the Sun, it is inside the orbit of Neptune (30 AU).

Astronomers class Pluto as a resonant Kuiper belt object (KBO). Because it gets so close to Neptune, its orbit is in resonance with that of Neptune. Pluto makes two orbits for every three of Neptune.

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3 years ago