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WINSTONCH [101]
4 years ago
7

Which change is exothermic?

Chemistry
2 answers:
Harlamova29_29 [7]4 years ago
5 0
It’s the last one icebergs shrink as global temp rises
cestrela7 [59]4 years ago
3 0

Answer:

The answer your looking for is the last option. Icebergs shrink as global temperatures rise.

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What will happen to the chemical equilibrium if NH4Cl is added to this solution?
Tresset [83]
The answer to this item depends entirely to the chemical reaction. If the compound, NH4Cl, is in the left hand side of the reaction, when it is added, the reaction will shift to the left. In the same manner, when the compound is in the right-hand side of the reaction, the reaction will shift to the right.

This happens because initially the reaction is in equilibrium and adding another compound to it will most likely lead to the shifting of the reaction. 
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4 years ago
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g Multidrug resistance can make it difficult to treat cancer successfully with chemotherapy. What causes multidrug resistance in
alexandr1967 [171]

Answer:

Chemotherapy drugs and other toxins are actively pumped out of cancer cells by transmembrane proteins.

Explanation:

Drugs inside the cell can be inactivated by oxidation and / or conjugation with glutathione, such as glutathione S-transferases, playing an important role in detoxification. However, conjugation is not enough for drug elimination. And this is where the GS-X pumps appear. Transporter proteins, such as Mrp protein, act as GS-X pumps. The PgP, Mrp and Bcrp proteins function as expulsion pumps, thus reducing the intracellular accumulation of drugs, causing resistance in cancer cells.

5 0
3 years ago
Help please ill give a free thanks WHATEVER just help Bryan is doing a triathlon and you need to calculate his average speed for
serg [7]

Answer:

thermal conductor

Explanation:

4 0
3 years ago
What are the 3 common gases that give off reactions?
Serjik [45]

The 3 common gases that give off reactions are Hydrogen sulfide, Carbon monoxide, Nitrogen oxides.

<h3>What are off reactions</h3>

Off reactions are defined as chemical reactions that occurs when something burns or during combustion of materials which gives off energy.

Some gases that give off reaction are:

  1. Hydrogen sulfide
  2. Carbon monoxide
  3. Nitrogen oxides

Note that these gases are mostly poisonous.

Therefore, the 3 common gases that give off reactions are Hydrogen sulfide, Carbon monoxide, Nitrogen oxides.

Learn more about off reactions here:

brainly.com/question/16416932

#SPJ12

3 0
2 years ago
What is hydrogenation<br>help please i will mark you as a brainliest​
Salsk061 [2.6K]

Answer:

Hydrogenation means to treat with hydrogen. It's a chemical reaction between molecular hydrogen and another compound or element, usually in the presence of a catalyst such as nickel, palladium or platinum. The process is commonly employed to reduce or saturate organic compounds.

Hope this helps!

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4 years ago
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