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Amiraneli [1.4K]
3 years ago
11

In the equation Zn+2HCL ---->ZnCl2 + H 2 the reactants are

Chemistry
1 answer:
Oduvanchick [21]3 years ago
4 0
Zn  and  HCl   are  the reactant  in  the  equation   above.  zinc  react  with   2  moles  of  Hcl  to  form  zinc  chloride  and a  hydrogen  molecule.  The  one  equation  means  that  the   reaction  proceed  to  the forward  side  only  therefore  no  reverse  of  the  reaction.
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Which type of bond will most likely be found in HBr?
NARA [144]
<span>HBr is covalent bond.!

</span>Hydrogen and Bromine will share their electrons, to obtain the electron configuration of a noble gas<span>.
</span>
hope this helps!

6 0
2 years ago
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Using the following standard reduction potentials, Fe3+(aq) + e- → Fe2+(aq) E° = +0.77 V Ni2+(aq) + 2 e- → Ni(s) E° = -0.23 V ca
lina2011 [118]

<u>Answer:</u> The above reaction is non-spontaneous.

<u>Explanation:</u>

For the given chemical reaction:

Ni^{2+}(aq.)+2Fe^{2+}(aq.)\rightarrow 2Fe^{3+}(aq.)+Ni(s)

Here, nickel is getting reduced because it is gaining electrons and iron is getting oxidized because it is loosing electrons.

We know that:

E^o_{(Fe^{3+}/Fe^{2+})}=0.77V\\E^o_{(Ni^{2+}/Ni)}=-0.23V

Substance getting oxidized always act as anode and the one getting reduced always act as cathode.

To calculate the E^o_{cell} of the reaction, we use the equation:

E^o_{cell}=E^o_{cathode}-E^o_{anode}

E^o_{cell}=-0.23-0.77=-1.0V

Relationship between standard Gibbs free energy and standard electrode potential follows:

\Delta G^o=-nFE^o_{cell}

As, the standard electrode potential of the cell is coming out to be negative for the above cell. Thus, the standard Gibbs free energy change of the reaction will become positive making the reaction non-spontaneous.

Hence, the above reaction is non-spontaneous.

3 0
3 years ago
The density of osmium, which is the densest metal, is 22.57 g/cm^3. What is the mass of a block of osmium that measures 1.00 cm
olganol [36]
Density = Mass / Volume
V = 1.00 * 4.00 * 2.50 = 10 cm³
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Answer: The mass of the block of osmium is 225.7 g.
7 0
3 years ago
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lions [1.4K]

Answer:

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Explanation:

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5 0
2 years ago
Which atom’s ionization energy is greater than that of phosphorus (P)?
Anna71 [15]
The first ionisation energy of silicon is greater than that of phosphorus.
7 0
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