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ehidna [41]
3 years ago
12

Lesson 04.01: Chemical vs. Physical Changes and Properties Define and identify chemical and physical properties and changes. Giv

e examples of physical and chemical properties and changes. Compare and contrast chemical and physical properties and changes.
Chemistry
1 answer:
Sonbull [250]3 years ago
8 0

A chemical property and a physical property are related to chemical and physical changes of matter.

Answer: A physical property is an aspect of the matter that can be observed or measured without changing it. Examples of physical properties include color, molecular weight, and volume.

A chemical property may only be observed by changing the chemical identity of a substance.

This property measures the potential for undergoing a chemical change. Examples of chemical properties include reactivity, flammability and oxidation states.


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I need help with my homework.Calculate the number of formula units in: 41.5 grams CaBr2
lana66690 [7]

Answer:

\text{ }1.25\times10^{23}\text{ formula units}

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The number of formula units in 0.2075 mole will be:

0.2075\text{ }\times6.02\times10^{23}\text{ = }1.25\times10^{23}\text{ formula units}

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