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Kaylis [27]
3 years ago
11

Not sure how to answer this:

Chemistry
1 answer:
ahrayia [7]3 years ago
4 0

Answer:

A. The red side is acidic.

B. Because it has more positive hydrogen ions.

C. The blue side is basic.

D. Because it has more negative hydroxide ion.

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How many molecules of Na are in 3.2 moles of Na?
pav-90 [236]

Answer: 1.9 x 10²⁴ molecules Na

Explanation: To solve for the molecules of Na, we will use the Avogadro's number.

3.2 moles Na x 6.022 x10²³ molecules Na/ 1 mole Nà

= 1.9 x 10²⁴ molecules Na

7 0
2 years ago
What is the coefficient of silver in the final, balanced equation for this reaction?
vekshin1

This is an incomplete question, the complete question is attached below.

Answer : The coefficient of silver in the final, balanced equation for this reaction is, 3

Explanation :

Redox reaction or Oxidation-reduction reaction : It is defined as the reaction in which the oxidation and reduction reaction takes place simultaneously.

Oxidation reaction : It is defined as the reaction in which a substance looses its electrons. In this, oxidation state of an element increases. Or we can say that in oxidation, the loss of electrons takes place.

Reduction reaction : It is defined as the reaction in which a substance gains electrons. In this, oxidation state of an element decreases. Or we can say that in reduction, the gain of electrons takes place.

The given redox reaction is,

Ag^+(aq)+Al(s)\rightarrow Ag(s)+Al^{3+}(aq)

The oxidation-reduction half reaction will be :

Oxidation : Al\rightarrow Al^{3+}+3e^-

Reduction : Ag^{+}+1e^-\rightarrow Ag

In order to balance the electrons, we multiply the reduction reaction by 3 and then added both equation, we get the balanced redox reaction.

The balanced redox reaction will be,

3Ag^+(aq)+Al(s)\rightarrow 3Ag(s)+Al^{3+}(aq)

From the balanced redox reaction we conclude that, the coefficient of silver in the final balanced equation for this reaction is 3.

Hence, the correct option is 3.

8 0
3 years ago
Which keystone species feed on other animals and prevent them from damaging the ecosystem?
Arisa [49]
Predators? I just looked it up lol
8 0
2 years ago
Which of these lists the layers of the Earth from the outermost layer to the innermost layer?
Bond [772]

Answer:

Lithosphere, mantle, outer core, inner core

Explanation:

4 0
2 years ago
Read 2 more answers
True or false? osmosis is a type of diffusion.
agasfer [191]

Answer:

true

Explanation:

osmosis is a special case of diffusion. diffusion occurs across a semipermeable membrane and only the water or other solvent moves. Diffusion and osmosis are both passive transport processes that act to equalize the concentration of a solution.

5 0
2 years ago
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