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mr_godi [17]
4 years ago
9

What is the energy required to go from a solid to a liquid called?

Chemistry
1 answer:
jek_recluse [69]4 years ago
3 0

Answer:

C. The thermal energy of a substance.

Explanation:

Hope it helps.

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Lynne is riding her bike at a speed of 22.55<br> km/hr. What is this speed in mi/min?
antiseptic1488 [7]

Answer:

0.2335320064 mi/min

Explanation:

1 km/h = 0.0103561865 mi/min

1 mi/min = 96.56064 km/h

For conversion:

22.55 km/hr = 22.55 x 0.0103561865 mi/min = 0.2335320064 mi/min

6 0
2 years ago
What is the likely impact of water's high specific heat on life on Earth?
valkas [14]

Answer:

C

Explanation:

The high specific heat capacity of water means that it takes much more energy to raise the temperatures of water by one (1) degree than land. This means that on a hot sunny day, land temperatures would increase dramatically while ocean temperatures would only rise slightly. Conversely,  at night, the land cools rapidly while oceans cool slowly hence the temperatures drop slightly.

8 0
3 years ago
Add curved arrows to both resonance structures of nitromethane to show the delocalization of electron pairs. A curved arrow star
DaniilM [7]

Answer:

As it is possible to observe in the drawing of the resonance structure of nitromethane, both oxygen atoms have the same negative charge.

Explanation:

A resonance structure is the molecular bonding system in which a hybrid, called a resonance, is formed from two or more Lewis structures that have different electronic distributions.

The resonance effect is given by the delocalization of electrons, which are not at a fixed point but are distributed homogeneously in the molecule as we can see in the nitromethane, providing stability. So the more resonance structures the molecule has, the more stable it will be.

6 0
3 years ago
Determine the kinetic energy of a 1000-kg roller coaster car that is moving with a velocity of 20.0 m/s.
Nikolay [14]
20,000 J is the answer.

5 0
3 years ago
A
Anettt [7]

Answer: The reaction, 2C(s) + MnO_{2}(s) \rightarrow Mn(s) + 2CO(g) is a single-displacement reaction.

Explanation:

A chemical reaction in which one element of a compound is replaced by another element participating in the reaction.

For example, 2C(s) + MnO_{2}(s) \rightarrow Mn(s) + 2CO(g)

Here, the element manganese is replaced by carbon atom. As only one element gets replaced so, it is a single-displacement reaction.

Thus, we can conclude that 2C(s) + MnO_{2}(s) \rightarrow Mn(s) + 2CO(g) is a single-displacement reaction.

8 0
3 years ago
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