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Travka [436]
3 years ago
15

The combined gas law relates which of the following?

Chemistry
1 answer:
Agata [3.3K]3 years ago
8 0
The combined-gas law relates which temperature, pressure and volume.

Temperature=T
Pressure=P
Volume=V

<span>(P₁*V₁) / T₁=(P₂*V₂) / T₂

D. Temperature, pressuere and volume.</span>
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6.0 g of copper was heated from 20 degree c to 90 degree c . How much energy was used to heat cu?
Darina [25.2K]
Copper heat capacity would be <span>0.385J/C*gram which means it needs 0.385 Joule of energy to increase 1 gram of copper temperature by 1 Celcius. The calculation would be:
energy= heat capacity *mass * temperature difference
energy= </span>0.385J/C*gram * 6g * (90-20)
<span>energy= 161.7J
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4 0
3 years ago
According to the kinetic-molecular theory, how do gas particles behave?
mezya [45]

Answer:

They are in constant motion.

Explanation:

More energy\heat= more kinetic energy=more motion\movement

7 0
3 years ago
The difference in the energy exerted by an 8.0 earthquake compared to a 6.0 earthquake?
hammer [34]
<span>The difference in the energy exerted by an 8.0 earthquake compared to a 6.0 earthquake

A magnitude 8.0 earthquake is 100 times bigger and 1000 times stronger (energy released) than a magnitude 6.0 earthquake. 


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4 0
3 years ago
A car is traveling at 50mph. How long will it take the car to travel 300 miles?
scoundrel [369]

Answer:

6 hours

Explanation:

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Hope this helps.

3 0
3 years ago
Read 2 more answers
8. If the temperature of a piece of steel decreases, what happens to its density?
Verdich [7]

Answer:

I think the answer is the 3rd one

3 0
2 years ago
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