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schepotkina [342]
3 years ago
11

Which of the following is an example of kinetic energy?

Chemistry
1 answer:
deff fn [24]3 years ago
7 0

Answer:

A. The energy of moving particles near a fire

Explanation:

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All of the following are part of the electromagnetic spectrum but
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Your answer is radio waves
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What is the mass of 4 moles of helium, He?
aniked [119]
I am pretty sure it is 4.002602
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2 years ago
Metals lose electrons under certain conditions to attain a noble gas electron configuration. How many electrons must be lost by
viva [34]

Answer:

2 electrons

E. neon

Explanation:

Metals lose electrons under certain conditions to attain a noble gas electron configuration. Magnesium has 12 electrons and its electron configuration is

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When magnesium loses 2 electrons, it acquires the electron configuration of neon (10 electrons).

5 0
3 years ago
Calculate the density of an aluminum block with a volume of 100 cm3 and a mass of 270g.
m_a_m_a [10]

Answer:

<h2>2.7 g/cm³</h2>

Explanation:

The density of a substance can be found by using the formula

density =  \frac{mass}{volume}  \\

From the question we have

density =  \frac{270}{100}  =  \frac{27}{10} \\

We have the final answer as

<h3>2.7 g/cm³</h3>

Hope this helps you

6 0
2 years ago
Which <br> molecule has the same shape and hybridization as methane
Korvikt [17]
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