3 years ago

What happens to the total mass of a substance undergoing a physical change

2 answers:

7 0

That depends. What kind of change are you talking about? But

Mass through chemical change stays the same as well. Example: burning paper, the ash left behind is not all of the mass of the reactants, Carbon dioxide, and other substances also makeupmass but just is not seen

Lady_Fox [76]3 years ago

6 0

If your answer choices are:

It stays the same.

It doubles.

It triples.

It is reduced.

The correct answer is "It stays the same."

You might be interested in

What is the molar mass of C4H9, 114.17 g/mol

mihalych1998 [28]

Answer:

4 x 12 +9 x 1= 56

Explanation:

I do not know what the 114.17 g/mol comes from

6 0

3 years ago

Read 2 more answers

10. Given the reaction:

andrey2020 [161]

Answer:

B hope help you stay happy

5 0

3 years ago

Describe the appearance of the material. Include its color and state (solid or liquid). Pour ¼ cup of water into a small, clear

Alex777 [14]

Answer:

Here the given material is taken and mixed with water.

Explanation:

The amount of material and water taken are same. Hence if it is not soluble in water it should make a dense and flowy paste like material and if it is soluble in water it should this and thicker density of water should remain.

If the amount of water that we are taking is more than the material will float in water if it is not soluble and lighter than water or would sink if it is heavier than water.

5 0

3 years ago

Read 2 more answers

When a car engine burns gasoline, the results of the reaction are similar to when cells burn glucose. both reactions release car

-Dominant- [34]

the answer is heat. while a car is in idol, the tailpipe gets very hot, (motorcycle, car, etc.) this also produces h20 which you can see dripping out of the tailpipe.

3 0

3 years ago

Determine the rate of a reaction that follows the rate law:

natima [27]

Answer:

k= 1.5

[A] = 1 M

[B] = 3 M

m = 2

n = 1

Explanation:

rate = k[A]”[B]"

6 0

3 years ago