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loris [4]
3 years ago
11

A scientist is trying to identify an unknown substance. The answer to which of the following questions would give the scientist

information about a chemical property of the substance?. . Is it possible to change the shape of the substance? . . Does the substance corrode when left in water? . . What color is the substance? . . At what temperature does the substance melt? .
Chemistry
2 answers:
borishaifa [10]3 years ago
7 0
The one question that would give the scientist information about a chemical property of the substance is "Does the substance corrode when left in water?" The correct answer is B.
Drupady [299]3 years ago
5 0

Explanation:

Chemical property is defined as the property of a substance which is observed during a reaction where the chemical composition identity of the substance gets changed.  For example: color, reactivity etc.

Physical property is defined as the property which can be measured and whose value describes the state of physical system. For Example: State, density etc.

The question of which will give us information regarding chemical property of the substance will be:

Does the substance corrode when left in water?

This is because corrosion is the type of chemical reaction in which damaging of the surface of the substance takes place due to its surroundings.Here identity of the substance changes.Hence answering this question will give us an information regarding chemical property of the substance.

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As the temperature of a gas increases, _____. (select all the options that correctly complete the sentence.)
weeeeeb [17]

As the temperature of a gas increases, the average kinetic energy of the gas particles increases and the average speed of a gas particle increases.

According to the kinetic theory of gases, all gases are made of microscopic molecules that move in straight lines until they bump into another gas molecule or object. This transfer of energy causes molecules to move around faster and bump into each other more.

Kinetic energy is proportional to the speed of the molecules. As the speed of the colliding molecules increases, so does the total kinetic energy of all the gas molecules. It's pretty difficult to measure the speed of an individual gas molecule.

Instead, temperature can be used as a measure of the average kinetic energy of all the molecules in the gas. As the gas molecules gain energy and move faster, the temperature goes up. This is why Amy feels warmer!

To determine the average kinetic energy of gas molecules, we need to know the temperature of the gas, the universal gas constant (R), and Avogadro's number (NA).

Learn more about kinetic theory of gases here : brainly.com/question/11067389

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5 0
2 years ago
To breed or train; to tame a wild animal to live<br>with humans.​
Ierofanga [76]

Answer:

The answer is to train.

Explanation:

Training is another word for taming a wild animal. To breed is to take to animals and make them have offspring with each other.

5 0
3 years ago
Ozone(O3) number of atoms
spayn [35]
As the O3 suggests, the Ozone molecule is made up of 3 Oxygen atoms.
8 0
3 years ago
Cytokinesis happens differently for plant and animal cells. Both separate cytoplasm between two new daughter cells. However, whi
victus00 [196]

Answer:

animal cell

Explanation:

Cytokinesis -

It refers to the process of cell division, which takes place during mitosis, is known as cytokinesis.

The process of cytokinesis is different for animal cell and plant cell.

  • Where, in case of plant cell, a separation, known as cell plate is formed along the center of the parent cell, which is responsible for the separation of the cells.
  • Whereas, in case of animal cell, the plasma membrane contracts itself along the center, until the two daughter cells are separated from each other.

Hence, from the given information of the question,

The correct answer is animal cell.

7 0
3 years ago
I think it’s b but I’m not sure
suter [353]
Yes that’s correct it is B
4 0
3 years ago
Read 2 more answers
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