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Genrish500 [490]
3 years ago
10

As carbon dioxide (CO2) changes from its solid state to gaseous state, what happens to the energy and motion of the particles?

Chemistry
1 answer:
SVEN [57.7K]3 years ago
8 0
1) As carbon dioxide changes from solid state to gaseous state, the particles gain energy and move faster.

The molecule of CO2 gain energy which results in greater separation of each other and freer and faster movement

2) When a substance undergoes a change of state its mass does not change
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Describes the difference between the formulas for nitrogen monoxide and nitrogen dioxide?
qwelly [4]

Answer:

nitrogen monoxide: NO

nitrogen dioxide: NO₂

Explanation:

Nitrogen monoxide is composed by 1 atom of O (prefix "mono-") and 1 atom of N. Nitrogen dioxide is composed by 2 atoms of O (prefix "di-") and 1 atom of N. As the oxigen atom in oxides has the valency -2 (it shares 2 electrons), the nitrogen has valency +2 in NO and +4 in NO₂.

6 0
4 years ago
when particles of matter are in direct contact and movement occurs in the substance due to convection, thermal energy transfers
liq [111]

Thermal energy transfers in a solid state, due to convection, in metalic substances.

This is because the covalent bonds between the atoms are being broken and reformed again while the metal is experiencing stress. <em>covalent bonds store energy.  </em>

4 0
3 years ago
How many moles of carbon are there in a 12.000 g (60.00 carat) diamond?
svetlana [45]
12/12= 1 mol
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3 years ago
A scientist who collects and analyzes DNA from a crime scene is a
Sliva [168]

Answer:

forensic scientist

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forensic science is the discipline in which professionals use scientific means to analyze physical crime evidence. this evidence is then presented in court in order to help determine the innocence or guilt of a specific suspect.

6 0
3 years ago
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At normal temperature and pressure, air has a density of 0.001184 g/mL. What is the mass of air in a room that is 3.07 m by 3.00
nadya68 [22]
1 ml = 1 cm3
The volume of the room is 34.7217 m3 or 34.721.700 cm3, so 34.721.700 * 0.001184 g/cm3= 41,1104928 kg.
6 0
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