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Fofino [41]
4 years ago
10

Which of these observations would be classified as a physical property

Chemistry
2 answers:
IgorLugansk [536]4 years ago
5 0
Letter D:a cube of gold is hammered into a thin sheet
g100num [7]4 years ago
3 0
A lemon juice cleans a penny. I believe this to be the answer because the lemon cleans the penny but no molecules change
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2 moles Na = ______ atoms Na. I need help to figure out the number of atoms in Avogadro's number
Reil [10]

Answer:

12.044 x 10^23 atoms Na

Explanation:

1 mol Na has 6.022 x 10^23 atoms of Na

2 moles Na have 2 x NA = 2 x 6.022 x10^23 atoms Na

4 0
3 years ago
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Why do non-metal aroms form covalent bonds e.g. H2O​
Oksana_A [137]

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Covalent bonds usually occur between nonmetals. For example, in water (H2O) each hydrogen (H) and oxygen (O) share a pair of electrons to make a molecule of two hydrogen atoms single bonded to a single oxygen atom. ... Covalent compounds tend to be soft, and have relatively low melting and boiling points.

7 0
3 years ago
The gravitational force of Earth is causing volcanoes on the moon.
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This is true, the force can bring land up at ease
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4 years ago
What is the molecular geometry, or shape, of phosphorus trichloride (pcl3)?
e-lub [12.9K]
I believe the molecular geometry of PCL3 would be trigonal planar.
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3 years ago
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NEED HELP\<br> I GIVE BRAIN
Mandarinka [93]

Answer:

The first true or false Question, I believe to be true and the second one I think it is False

Explanation:

1. The Gulf of Mexico's water is very warm.

2.  It tropical meaning a wet so it couldn't form over Dry land.

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4 0
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