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patriot [66]
3 years ago
9

List and describe all five types of chemical reactions. thx.

Chemistry
1 answer:
Dominik [7]3 years ago
3 0

Answer:

combination, decomposition, single-replacement, double-replacement, and combustion.

Explanation:

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Consider an endothermic reaction C(s) CO2(g)2CO(g) If such a system at equilibrium is heated and compressed at the same time, wh
RSB [31]

Answer:

A. It will shift to the left

Explanation:

In the equilibrium:

C(s) ⇄ CO2(g)2CO(g)

The system will shift to the right if any change stimulate the production of gas -LeChatelier's principle-; in the same way, if a change doesn't favors the production of gas the system will shift to the left producing less gas.

The changes that increasing the pressure of the system, doesn't favors the gas production doing the system shift to the left.

A gas that is heated expands itsellf doing the pressure increases.

In the same way, if you compress the gas, the gas increases its pressure.

Thus, both changes increase pressure of the gas doing the system shift to the left.

<h3>A. It will shift to the left </h3>

6 0
4 years ago
Why does a physical change occur when iodine is heated?
makkiz [27]

Answer:

Explanation:

when few crystals of iodine are added to test tube

the test tube gets heated and turns into a gas

which later soldifies to a liquid

I hope this helps

8 0
3 years ago
A sample of gas has a pressure of 100.0 KPa and 25C. Calculate the pressure if the temperature is changed to 125C while the volu
atroni [7]

Answer:

133.56kPa

Explanation:

Applying Pressure Law,

P/T = P'/T'....................... Equation 1

Where P = Initial pressure, T = Initial Temperature, P' = Final pressure, T' = Final Temperature.

From the question, we were asked to calculate P'

There, we make P' the subject of the equation

P' = PT'/T...................... Equation 2

Given: P = 100kPa, T = 25°C = (273+25) = 298K, T' = 125°C = (273+1250K = 398 K

Substitute these values into equation 2

P' = (100×398)/298

P' = 133.56kPa

Hence the pressure is 133.56kPa

6 0
3 years ago
Where is the mass of an atom located?<br>​
Inessa [10]
The mass is located in the necleus.
4 0
3 years ago
Why do bare feet feel colder on a tile floor than on a rug? Carpet prevents cold from reaching your feet. Tile conducts the heat
vesna_86 [32]
Tile conducts the cold toward your feet.

This is simple because the tile is naturally colder then carpet because of it's material.
5 0
3 years ago
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