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Mrrafil [7]
3 years ago
6

Consider the chemical reaction involving graphite as the reactant:

Physics
1 answer:
ziro4ka [17]3 years ago
8 0

Answer:

D may likely be your answer

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2. Why was it important to examine both the color and the streak of your minerals? Think about streak and explain why it’s calle
horrorfan [7]
<span>Some minerals might have similar color, but different streaks. Others might have the same streak color, but different colors</span>
3 0
3 years ago
Two bodies made of the same material have same external dimension and appearance, but one is compact solid and other is hollow.
Bumek [7]

Answer:

Different

Explanation:

The hollow one will expand even more making it have a larger volume then the solid one so they are different

5 0
3 years ago
Two kilograms of air is contained in a rigid wellinsulated tank with a volume of 0.6 m3 . The tank is fitted with a paddle wheel
wolverine [178]

Answer:

0.3\ \text{m}^3/\text{kg}

36\ \text{kJ}

18\ \text{kJ/kg}

Explanation:

V = Volume of air = 0.6\ \text{m}^3

P = Power = 10 W

t = Time = 1 hour

m = Mass of air = 2 kg

Specific volume is given by

v=\dfrac{V}{m}\\\Rightarrow v=\dfrac{0.6}{2}\\\Rightarrow v=0.3\ \text{m}^3/\text{kg}

The specific volume at the final state is 0.3\ \text{m}^3/\text{kg}

Work done is given by

W=Pt\\\Rightarrow W=10\times 60\times 60\\\Rightarrow W=36000\ \text{J}=36\ \text{kJ}

The energy transfer by work, is 36\ \text{kJ}

Change in specific internal energy is given by

\Delta u=\dfrac{Q}{m}+\dfrac{W}{m}\\\Rightarrow \Delta u=0+\dfrac{36}{2}\\\Rightarrow \Delta u=18\ \text{kJ/kg}

The change in specific internal energy of the air is 18\ \text{kJ/kg}

8 0
3 years ago
50 points According to kinetic theory, in a closed system, what happens when two atoms collide?
vfiekz [6]

I believe its the 1st option

8 0
4 years ago
Read 2 more answers
Weather patterns on earth may be......
OLga [1]
Cold weather as in snow, and sleet. Hethared weather as in warm sun acting as a proper radiant agains the surface of biofuse, and standard quadrullants as in rain.
5 0
3 years ago
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