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Alexxandr [17]
2 years ago
6

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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quester [9]

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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]
X moles of hot water vapor(H2O) * 1 mol Fe3O4 / 4 mol H2O * 233.55g Fe3O4 / 1 mol = 275 g

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Which of the following changes will decrease the rate of collisions between gaseous molecules oftype A and B in a closed contain
Leni [432]
D - take away B molecules
4 0
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

  1. Intake: The mixture of air and fuel enters the cylinder.
  2. Compression: The mixture is compressed by a factor of about 11.
  3. Ignition: A spark ignites the fuel, which burns and produces CO₂, CO, and H₂O.
  4. 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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