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3 years ago

Which statements accurately describe stars? Check all that apply.All stars are smaller than the Sun.

Chemistry

2 answers:

lisabon 2012 [21]3 years ago

4 0

Answer:

Stars are made of gas.

Star color is related to temperature.

Explanation:

Stars are big ball of gases mainly hydrogen and helium. Stars can be bigger than sun or smaller. They appear as flat circles but are spheres. The brightness of star depends on their size and distance but not on their shape. Color of star is related to temperature. A blue color star is hotter than a yellow star. A red star is a cool star.

Travka [436]3 years ago

3 0

Stars are made of gas & star color is related to temperature are the correct answers.

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A airliner has an internal pressure of 1.00 ATM and temperatures of 25°C at take off if the temperature of the airlines routes t

Georgia [21]

Answer:

Explanation:

Using Gay lussac's law equation as follows;

P1/T1 = P2/T2

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3 years ago

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nalin [4]

Answer:

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3 years ago

Which of the following describes an endothermic reaction?

Alenkinab [10]

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Answer is D. Batter becomes a pancake when heated.

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3 years ago

6. Which pair of compounds below represents a conjugate acid-base pair?

vova2212 [387]

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3 years ago

Describe the difference between intensive and extensive propoerties. Which of the following propoerties are intensive: (a) mass;

STatiana [176]

Answer:

The properties that do not vary with the variation in the quantity of the material are called as intensive property.

While the extensive properties are those which vary with the variation in the quantity of the material.

Intensive properties:

Mass and volume

Extensive properties:

Density and melting point

Explanation:

The properties that do not vary with the variation in the quantity of the material are called as intensive property.

While the extensive properties are those which vary with the variation in the quantity of the material.

Intensive properties:

Mass and volume, as with increase in quantity of the material mass and volume increases.

Extensive properties:

Density and melting point, as they remain constant for a object or material

4 0

3 years ago