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Natasha_Volkova [10]
3 years ago
6

indicate whether the statement is true or false a change of state is a chemical change because ice and water do not resemble one

another​
Chemistry
2 answers:
Iteru [2.4K]3 years ago
5 0

Answer:

False. Chemical changes are always physical changes

ella [17]3 years ago
3 0

Answer:

False

Explanation:

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Fittoniya [83]
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3 0
3 years ago
An ice skater moves back and forth on an ice rink. She speeds up on the straight portion of the rink. She slows down near each e
andrey2020 [161]

The options are;

A) The skater experiences acceleration both while skating in a straight line and while making her turn.

B) Because the skater does not change her direction or speed, she does not experience acceleration.

C) The skater only experiences acceleration when she is turning.

D) The skater only experiences acceleration while skating in a straight line.

Answer:

A: The skater experiences acceleration both while skating in a straight line and while making her turn

Explanation:

We are told that She speeds up on the straight portion of the rink. This means that she experienced an acceleration since the speed was not constant but gradually increasing.

Also, we are told that She slows down near each end of the rink and then turns around. This means that she reduced speed before turning and it means there was also an acceleration as well when making the turn.

Thus, she experience acceleration both in the straight line and when making turn.

Option A is correct

6 0
3 years ago
What is the difference between gases and nonmetal?
ExtremeBDS [4]

Answer:

1) some of the gas maybe metal but non metal directly refers it self to not begin metal

2) gases are present in only air . non metals are available in solid form too

3 0
3 years ago
Which ionic compounds are not likely to dissolve in water?(More than 1 answer.)
olasank [31]
The answer is caso4 and ca(C2H3O2)2
7 0
4 years ago
A 3.35 g sample of an unknown gas at 81 ∘C and 1.05 atm is stored in a 1.75 L flask.
ra1l [238]

Answer:

Molar mass = 52.96g/mol

density = 1.91g/L

Explanation:

using ideal gas equation

PV=nRT

7 0
4 years ago
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