3 years ago

What happens to the volume of a substance as temperatures rises?

1 answer:

5 0

Answer

As temperature increases, the molecules of the gas have more kinetic energy. They strike the surface of the container with more force. If the container can expand, then the volume increases until the pressure returns to its original value.

Explanation:

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2) Which of the following statements best describes an element?

mixas84 [53]

Answer:

Explanation:

The answer woul be E because elements are made of one type of atoms

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3 years ago

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Scientists discover two new elements, element A and element X, and are able to determine their atomic mass. Element A has an ato

olga nikolaevna [1]

17+76×3=228+17=245. D is right

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3 years ago

What have the scientific studies identified as the major cause of acid rain in the united states?

Molodets [167]

Answer:

Sulfur dioxide (SO2) and nitrogen oxides (NOx) released into the air by fossil-fuel power plants, vehicles and oil refineries are the biggest cause of acid rain today, according to the EPA.

Explanation:

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3 years ago

Which of the following would be more likely to conduct electrons? Strontium or Iodine? Defend your choice.

Alchen [17]

Strontium because it is a metal

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3 years ago

A metal pellet with a mass of 100.0 g, originally at 116°C, is dropped into a cup of water, initially at

Alina [70]

Answer:

C, 42g

Explanation:

In thermal equilibrium, both bodies (metal pellet and water) both have the same final temperature (46.3°C).

Assuming no heat is lost to surroundings,

the energy lost from metal pellet = energy gained for water

Since E = mc∆T

(energy = mass x specific heat capacity x temperature change)

mc∆T (metal pellet) = mc∆T (water)

100 x 0.568 x (116-46.3) = m 4.184 (46.3 - 23.8)

3958.96 = 94.14m

m = 42g

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3 years ago