3 years ago

The boiling of water results in a physical change in matter form

Chemistry

2 answers:

Katena32 [7]3 years ago

5 0

The answer is D. Liquid to gas

AVprozaik [17]3 years ago

3 0

D. It is liquid to gas.

Water is a liquid and when it boils, you can see some steam, which is gas,

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Elements in group 2 are called alkaine earthmetals what is most similar about alkaline earth metals

andreev551 [17]

Shiny
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Standard temp. and pressure

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Elements bond when they share or transfer their outer shell electrons which are called valence electrons

rusak2 [61]

Answer:

True

Explanation:

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storchak [24]

"Electric charge: the proton and electron are electrically charged, while the neutron is not. The proton and electron, however, are oppositely charged. Role in the atom: Protons and neutrons are closely bound together in the nucleus of an atom, while electrons are spread out around the nucleus."

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Which of the following is a nonrenewable energy source? A. coal B. solar C. wind D. hydropower E. burning biomass

VARVARA [1.3K]

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3 years ago

A chemist has 3.55x1022 molecules of nitrogen monoxide. How

Alina [70]

Answer:

<h2>0.059 moles</h2>

Explanation:

To find the number of moles in a substance given it's number of entities we use the formula

$n = \frac{N}{L} \\$

where n is the number of moles

N is the number of entities

L is the Avogadro's constant which is

6.02 × 10²³ entities

From the question we have

$n = \frac{3.55 \times {10}^{22} }{6.02 \times {10}^{23} } \\ = 0.05897...$

We have the final answer as

<h3>0.059 moles</h3>

Hope this helps you

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3 years ago