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iogann1982 [59]
3 years ago
6

A sample of a gas is kept at constant pressure while

Chemistry
1 answer:
Ahat [919]3 years ago
5 0

Explanation:

here's the answer to your question

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What is the tail of a comet made of? A. Heat B. Asteroids C. Melted materials D. Solar wind
grigory [225]
It's actually made or gas and dust that can extend hundreds of millions of kilometers away from the coma. most comets actually have two tails a plasma tell made of ionized gas and a dust tail made of small solid particles.
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3 years ago
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Inside the room the air is often warmer near the ceiling than near the floor. Which of the following accounts for the difference
Rudiy27
The correct answer would be C. Convection, which describes that heat rises.
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3 years ago
A galvanic (voltaic) cell has the generic metals X and Y as electrodes. X is more reactive than Y , that is, X more readily reac
koban [17]

Answer:

(a) X electrode

(b) Y electrode

(c) Y electrode

(d) X electrode

(e) Y electrode

Explanation:

<em>A galvanic (voltaic) cell has the generic metals X and Y as electrodes. X is more reactive than Y, that is, X more readily reacts to form a cation than Y does.</em>

In the X electrode occurs the oxidation whereas in the Y electrode occurs the reduction.

Oxidation: X(s) → X⁺ⁿ(aq) + n e⁻

Reduction: Y⁺ˣ(aq) + x e⁻ → Y(s)

<em>Classify the descriptions by whether they apply to the X or Y electrode. </em>

<em>(a) anode.</em> Is where the oxidation takes place (X electrode).

<em>(b) cathode.</em> Is where the reduction takes place (Y electrode).

<em>(c) electrons in the wire flow toward.</em> Electrons in the wire flow toward the cathode (Y electrode).

<em>(d) electrons in the wire flow away.</em> Electrons in the wire flow away from the anode (X electrode).

<em>(e) cations from salt bridge flow toward.</em> Cations from the salt bridge flow toward the cathode (Y electrode) to maintain the electroneutrality.

5 0
3 years ago
Why can Marco hear the music, even though he is not in the same room as the speaker?
xeze [42]

Answer:

Sound Travels

Explanation:

Sound waves can travel, and that makes it so that even though Marco is in a different room, he can hear the music. Depending how loud the music is and how thick the walls car, the sound can travel through the walls.

6 0
3 years ago
Consider 55 mL of water (H2O) in a beaker and 55 mL of acetone |(CHs)2CO in an identical beaker under identical conditions Compl
Zepler [3.9K]

Answer:

1. more slowly than

2. larger than

3. weaker

Explanation:

Acetone molecules are bonded by very weak intermolecular forces when compared to that of the hydrogen bond between water molecules. This makes it very easy for acetone molecules to vaporize easily into its gaseous state, much more faster than water molecules (since the acetone molecules need a lesser amount of energy to break these bonds). Also, the boiling point of liquid acetone is much lower than that of water, meaning that it has a higher vapor pressure than that of water.

4 0
3 years ago
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