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4 years ago

Which properties do not change the composition of a substance?

Physics

2 answers:

muminat4 years ago

8 0

TO EVERYONE WHO THINKS THE ANSWER IS B, it is Incorrect

The correct answer is A

gavmur [86]4 years ago

4 0

Changing the physical properties of a substance, such as volume or mass, does not change its composition. Changing the chemical properties, such as burning paper or having substances react to form a new substance, does change its composition.

The answer is B

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According to the second law of thermodynamics, which is a requirement for thermal energy to flow from colder objects to hotter o

maxonik [38]

Answer: work must be done on the system (Option A)

Explanation:

The second law of thermodynamics is the fundamental law of nature; it states that energy can be transferred from cold objects to hot objects only, if work is done on the system. If energy is added to the system then as a result the thermal energy would increase. Second law of thermodynamics is used to determine whether a process is spontaneous or not. Moreover,the second law of thermodynamics is also used in refrigerators.

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James weighs 67 pounds on Earth. He has a mass of 30 kilograms. Which of the following is true?

morpeh [17]

Answer:

I think its B. James would have a smaller mass on the Moon than he does on Earth.

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Which of the following is an example of velocity ?

Mademuasel [1]

The correct answer is c because B) is a vector which includes both velocity and direction

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What holds the metal ions together in a lattice?

Anon25 [30]

Metallic bonds! Hope this helps!! :))

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A main difference between asteroids and comets is that asteroids are mostly made of rock and comets are mostly made of metals ca

avanturin [10]

We can confirm that the difference between a comet and an asteroid lies in their compositions and physical characteristics derived from those compositions.

As stated in the question, the main difference between an asteroid and a comet is their compositions, meaning the materials from which they form.

Asteroids are rocky objects which a heavy metal composition, while comets tend to be made of dust, ice, and some rocky material. Some extra differences include:

Comets reflect a steady amount of light (because of their ice composition)
Asteroids will reflect light at random intervals due to some metals that may be present on their surface
Comets tend to have a tail made of water from the melting ice when reflecting sunlight.

Therefore, we can confirm that the main difference between asteroids and comets is their compositions, which lead to distinct physical characteristics.

To learn more visit:

brainly.com/question/1333558?referrer=searchResults

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