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Usimov [2.4K]
3 years ago
6

DUE IN ONE MINUET HELP TwT

Chemistry
1 answer:
Zepler [3.9K]3 years ago
7 0
I think it is 10 I am sorry if you get it wrong
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What are 3 signs that a chemical reaction is happening, what tells you that this is definitely a chemical reaction?
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Produces heat, putting off air or bubbles and changes the smell or odor it changes the state that’s how you know it is a chemical reaction
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HelpPPPPP pleaseeeeEEEEE
velikii [3]

Answer:

A

Explanation:

Fusion combines light elements.

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Which phrase describes a characteristic of an Arrhenius base?
Tom [10]

 The phrase  that describes a   characteristic   of an Arrhenius base is  that Arrhenius  base add  hydroxide  ions  to  the solution ( answer C)

 

      <u><em>Explanation</em></u>

Arrhenius base  is a substance that  increases  the concentration  of OH-  in aqueous  solution.

The Common Arrhenius base are  group 1 and  2 hydroxide  such as LiOH, NaOH ,  Ba(OH)2  among others.  

for  example  NaOH  dissociate  as follows , NaOH  →  Na+(aq) + OH- (aq)


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4 years ago
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If two gases are present in a container, the total pressure in the container is equal to
uysha [10]
.the sum of the pressures that each gas would exert if they occupied twice the volume
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Forensic toxicology involves not only the area of toxicology, but also the use of areas such as analytic chemistry and pharmacol
grandymaker [24]

Answer:

The answer is True

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