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2 years ago

Hich statement

Chemistry

1 answer:

zimovet [89]2 years ago

6 0

Answer:

d. The particles of matter are arranged

in different ways for the different

states.

Explanation:

when you hear kinetic think hot or cold

example

water when its hot its a gas and looks different under a microscope

water when its cold its ice and looks different under a microscope

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Name three sources of atmospheric carbon dioxide.

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The answer is decomposition, ocean release and respiration. hope this helps u :D

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Consider the following reaction: 3Fe(s) + 4H₂O(g) ➞ Fe₃O₄(s) + 4H₂(g). To answer the following question: "How many moles of hot

UkoKoshka [18]

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D - take away B molecules

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3 years ago

PLS help

viktelen [127]

Answer:

d . Sc2O5

Explanation:

Hello,

In this case, when forming oxides from a metal and oxygen, for us to find out each element's subscript, we must exchange them as shown below, considering +5 for scandium:

$Sc^{+5}_2O^{-2}_5$

For that reason, the answer is d . Sc2O5

Best regards.

3 0

3 years ago

Read 2 more answers

In which step of a four-stroke engine cycle does the car release CO2, H2O, and CO?

In-s [12.5K]

Answer:

$\boxed{\text{exhaust stroke}}$

Explanation:

The four strokes are

Intake: The mixture of air and fuel enters the cylinder.
Compression: The mixture is compressed by a factor of about 11.
Ignition: A spark ignites the fuel, which burns and produces CO₂, CO, and H₂O.
Exhaust: The combustion products are expelled from the cylinder.

$\text{The cylinder releases CO$_{2}$, CO, and H$_{2}$O during the }\boxed{\textbf{exhaust stroke}}$

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3 years ago