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AveGali [126]
3 years ago
7

Name two fluid technologies that make use of air

Chemistry
1 answer:
nika2105 [10]3 years ago
7 0

Answer: Refrigerator and fire extinguisher

Explanation: Refrigerator:An evaporator fan draws air from the refrigerator and blows it over the evaporator coils. The liquid refrigerant absorbs heat from the air and the air blows back into the refrigerator at a lower temperature, cooling the refrigerator. The liquid refrigerant starts to vaporize as it heats up and moves to the compressor.

Fire extinguisher:They work by smothering the fire: when you put a layer of powder or foam on the fire, you cut the fuel off from the oxygen around it, and the fire goes out. Carbon dioxide (CO2) extinguishers contain a mixture of liquid and gaseous carbon dioxide (a nonflammable gas).

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lys-0071 [83]

Answer:

Option (1) Br– is the catalyst, and the reaction follows a faster pathway with Br– than without

Explanation:

Let us consider the equation below:

Step 1:

H2O2(aq) + Br–(aq) → H2O(l) + BrO–(aq)

Step 2:

BrO–(aq) + H2O2(aq) → H2O(l) + O2(g) + Br–(aq)

From the above equation, we can see that Br– is unchanged.

This implies that Br– is the catalyst as catalyst does not take part in a chemical reaction but they create an alternate pathway to lower the activation energy in order for the reaction to proceed at a much faster rate to arrive at the products.

8 0
2 years ago
Given a solution with a pOH of 13.6, what is the [OH-] of the solution?
Lelechka [254]
10^-13.6 = 2.51x10^-14
8 0
2 years ago
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Acid indigestion is sometimes neutralized with an antacid such as magnesium hydroxide (Mg(OH)2). What products will be released
NemiM [27]

Answer:

Magnesium chloride and water  

Explanation:

Mg(OH)₂ + 2HCl ⟶                MgCl₂                +   2H₂O

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7 0
3 years ago
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Ede4ka [16]
C) a fundamental force would be gravity
4 0
2 years ago
Carbon burns with oxygen to produce carbon dioxide gas. Which of these shows the correct chemical reaction? CO2 = C + O C + O =
kiruha [24]

Answer:

C(s) + O2(g) 》CO2 (g)

Explanation:

to check CO2 is release mix the gas with quick lime you see colour is change

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3 years ago
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