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saw5 [17]
3 years ago
12

How do we differentiate chemical change from physical change ​

Chemistry
1 answer:
bija089 [108]3 years ago
5 0

Answer:

Chemical change :has change in mass, heat is needed, new element is formed, hard to reverse.......

Physicalchange:does not have change in mass, heat is not necessary, no new element is formed, easy to reverse

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Why does water float on corn syrup
NISA [10]

Answer:

density.

Explanation:

A cubic centimeter of water weighs 1 gram. Since a cubic centimeter of vegetable oil weighs less than 1 gram, oil will float on water. Corn syrup is more dense than water so 1 cubic centimeter of corn syrup weighs more than 1 gram. Therefore, corn syrup sinks in water.

5 0
3 years ago
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BRAINLIEST AND 30 POINTS! concept map for four types of intermolecular forces and a certain type of bond is shown.
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D represents ion-dipole forces that are stronger than the force C.

Explanation:

D represents the ion-dipole force.

C represents the H-bonding forces.

ion-dipole force is a force that is due to electrostatic attraction and has a dipole between an ion and a neutral molecule.

It is electrostatic in nature.

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Ion dipole force is stronger than the H-bonding.

3 0
3 years ago
What is the Molar Mass of 2.4g of oxygen
Anastasy [175]
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3 0
4 years ago
The idea that the moon, sun, and known planets orbit Earth is called the _______________ model of the universe.
kolezko [41]

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klemol [59]

Answer:

true

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PV=nRT

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