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matrenka [14]
4 years ago
6

A pure substance is found to be a good conductor of electricity in both its solid and liquid

Chemistry
1 answer:
EastWind [94]4 years ago
4 0
The answer is a)ionic
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A 581.2 mL sample of carbon dioxide was heated to 347 K.
svetlana [45]

Answer:

The temperature at 581.2 mL volume was 242.8 K.

Explanation:

Using Charle's law  

\frac {V_1}{T_1}=\frac {V_2}{T_2}

Given ,  

V₁ = 581.2 mL

V₂ = 830.5 mL

T₁ = ?

T₂ = 347 K

Using above equation as:

\frac {581.2\ mL}{T_1}=\frac {830.5\ mL}{347\ K}

T_1=\frac{581.2\times 347}{830.5}\ K=242.8\ K

<u>The temperature at 581.2 mL volume was 242.8 K.</u>

3 0
4 years ago
Thermal energy is a form of
Mrrafil [7]

Thermal energy is an example of kinetic energy, as it is due to the motion of particles, with motion being the key. Thermal energy results in an object or a system having a temperature that can be measured. Thermal energy can be transferred from one object or system to another in the form of  heat.                hope this helps

8 0
4 years ago
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Specific heat and thermal Energy question. Will give brailiest. 30 points please answer!! ASAP
USPshnik [31]
What’s the question?
3 0
3 years ago
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1) 2C2H6 + 7O2 --&gt; 4CO2 + 6H2O
Lena [83]

Answer:

a).

2 \: moles \: of \: ethane \: react \: with \: 7 \: moles \: of \: oxygen \\ 24 \: moles \: react \: with \: ( \frac{24 \times 7}{2} ) \: moles \\  = 84 \: moles

b).

2 \: moles \: react \: with \: 7 \: moles \\ ( \frac{12 \times 2}{7} ) \: moles \: react \: with \: 12 \: moles \\  = 3 .43 \: moles \\ 1 \: mole \: weighs \: 30 \: g \\ 3.43 \: moles \: weigh \: (3.43 \times 30) \\  = 102.9 \: g

c).

746.7 g

7 0
3 years ago
Help me please i don’t understand the problem
brilliants [131]

Answer:

Atoms are neither created or destroyed.

Explanation:

The end result of a chemical change does not create or destroy any atoms. Matter cannot be created or destroyed, meaning the same amount of atoms exist before and after the change.

5 0
4 years ago
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