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andrey2020 [161]
3 years ago
14

K2SO3(aq)+MnCl2(aq)→MnSO3(s)+KCl(aq)

Chemistry
2 answers:
Murljashka [212]3 years ago
4 0

Answer:

balanced equation : K2SO3+MnCl2------>MnSO3+2KCl

Explanation:

Ugo [173]3 years ago
3 0

Answer:

K2SO3(aq)+MnCl2(aq) = MnSO3(s)+2KCl2

Explanation:

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Periodic trends are shaped by interactions between what?
11111nata11111 [884]

Answer:

There are three factors that help in the prediction of the trends in the periodic table: number of protons in the nucleus, number of energy levels, and the shielding effect. The atomic radii increase from top to the bottom in any group. The atomic radii decrease from left to right across a period.

Explanation:

Major periodic trends include atomic radius, ionization energy, electron affinity, electronegativity, valency and metallic character. These trends exist because of the similar electronic configuration of the elements within their respective groups or periods and because of the periodic nature of the elements.

8 0
1 year ago
How many electrons would be transferred in either a voltaic or electrolytic cell that uses the following half reactions
omeli [17]

Answer:

Numbers of electrons transferred in the electrolytic or voltaic cell is 6 electrons.

Explanation:

Fe^{3+} (aq) + 3 e^-\rightarrow Fe (s) ,E^o = -0.036 V

Mg^{2+}(aq) + 2 e^- \rightarrow Mg (s),E^o = -2.37 V

The substance having highest positive reduction E^o potential will always get reduced and will undergo reduction reaction.

Reduction : cathode

Fe^{3+} (aq) + 3 e^-\rightarrow Fe (s) ,E^o = -0.036 V..[1]

Oxidation: anode

Mg(s)\rightarrow Mg^{2+}(aq) + 2 e^-,E^o = 2.37 V..[2]

Oxidation reaction occurs at anode and reduction reaction occurs at cathode.

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

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

E^o_{cell}=-0.036V-(-2.37 V)=2.334 V

The overall reaction will be:

2 × [1] + 3 × [2] :

2Fe^{3+} (aq) + 3Mg(s)+6e^-\rightarrow 2Fe (s)+3Mg^{2+}(aq)+6e^-

Electrons on both sides will get cancelled :

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

Numbers of electrons transferred in the electrolytic or voltaic cell is 6 electrons.

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4 years ago
How many grams of sodium nitrate does it take to get 3.5% sodium nitrate in a 250g solution?
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4 years ago
How much heat is absorbed to change 13.8 grams of H2O from a solid to a liquid at zero degrees Celsius? ΔHfusion = 6.03 kJ/mol Δ
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1 mole of H2O weighs 18 g

therefore 13.8 g of liquid H2O = 13.8/18 moles

ΔHvaporization = 40.65 kJ/mol

heat required to change 13.8 grams of H2O from a liquid to a gas at 100 degrees Celsius = 40.65 x 13.8/18 = 31.165 kJ

8 0
3 years ago
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