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1 year ago

when the following redoc reaction is balances (assume acidic solution), how many moles of water appear and on what side

Chemistry

1 answer:

PolarNik [594]1 year ago

8 0

8 moles of water on the right side.

An oxidation-reduction or redox reaction is a reaction that involves the transfer of electrons between chemical items (the atoms, ions, or molecules involved in the reaction).

Redox reactions: the burning of fuels, the corrosion of metals, and even the processes of photosynthesis and cellular respiration involve oxidation and reduction.

Step 1:

MnO4- ----> Mn2+

2Cl- ------> Cl2

Step 2:

MnO4- --> Mn2+ + 4H2O

2Cl- -----> Cl2

Step 3:

8H+ + MnO4- ------> Mn2+ + 4H2O

2Cl- ----->Cl2

Step 4:

8H+ + MnO4- +5e- ------>Mn2+ + 4H2O

2Cl- ----> Cl2+ 2e-

Step 5:

16 H+ +2 MnO4- +10Cl- ----->2 Mn2+ + 8H2O+5Cl2

This is the balanced equation in an acidic medium.

That is 8, right side.

To know more about redox reaction follow the link:

https://brainly.in/question/9854479

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The table lists properties of a few known elements, but the states of matter and melting points are missing. Look up the element

kolbaska11 [484]

The properties of the given elements are as follows:

Potassium, K;

State of matter: Solid
Melting point: 63.5 °C
Conductivity: Good
Solubility (H2O): reacts rapidly with water

Iodine, I;

State of matter: solid
Melting point: 113.5 °C
Conductivity: very poor
Solubility (H2O): negligible

Gold, Au;

State of matter: solid
Melting point: 1064 °C
Conductivity: excellent
Solubility (H2O): none

Germanium, Ge;

State of matter: solid
Melting point: 938.2 °C
Conductivity: fair
Solubility (H2O): none

Barium, Ba;

State of matter: solid
Melting point: 727 °C
Conductivity: good
Solubility (H2O): reacts strongly

Argon, Ar;

State of matter: gas
Melting point: -189.4 °C
Conductivity: none
Solubility (H2O): negligible

Chlorine Cl;

State of matter: gas
Melting point: -101.5 °C
Conductivity: poor
Solubility (H2O): slight

Rubidium, Rb;

State of matter: solid
Melting point: 39.48 °C
Conductivity: good
Solubility (H2O): reacts violently

Silver, Ag;

State of matter: solid
Melting point: 961.8 °C
Conductivity: excellent
Solubility (H2O): none

Calcium, Ca;

State of matter: solid
Melting point: 842 °C
Conductivity: good
Solubility (H2O): reacts

Silicon, Si;

State of matter: solid
Melting point: 1,410 °C
Conductivity: intermediate
Solubility (H2O): none

Xenon, Xe;

State of matter: gas
Melting point: -111.8 °C
Conductivity: very poor
Solubility (H2O): none

<h3>What are elements?</h3>

Elements are pure substances which are composed of similar atoms.

Elements are defined as substances which cannot be split into simpler substances by an ordinary chemical process.

Elements have different physical and chemical properties and can be classified into:

metals
semi-metals
non-metals

In conclusion, the physical and chemical properties of the elements vary from metals to non-metals.

Learn more about elements at: brainly.com/question/6258301

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7 0

1 year ago

Any force that causes an object to move in a circle is called a(n) a balanced force. b unbalanced force. c gravitational force.

zavuch27 [327]

Answer- D. centripetal force

8 0

3 years ago

Read 2 more answers

Propane is used as a fuel source on many barbeque grills. What is undergoing reduction during the burning of propane while grill

Anni [7]

Answer:

Oxygen

Explanation:

because oxygen is used when making and sustaining a fire.

I think this seems like something is missing from the question

8 0

2 years ago

The graph shows the speed of a car

Sav [38]

Answer:

Letter B.

Explanation:

Changing its direction and climbing a steep incline can't be proven only by the graph info. You can see that it's speed isn't constant in the graph.

We have letter B left.

6 0

3 years ago

Match the following descriptions with the correct polysaccharide, note if you answer any part of this question incorrectly a sig

Ad libitum [116K]

Answer:

Glycogen. Cellulose. Amylose. Cellulose. Amylopetin and Glycogen. Amylopetin and Cellulose.

Explanation:

Glycogen is the form that glucose is stored in human body.

Cellulose is the structural part of plant cell walls and human cannot digest it.

Amylose is the polysaccharide linked mainly by the the bonds of $\alpha$ 1,4 glycosidic.

Cellulose is an unbranched polysaccharide linked mainly by the bonds of $\beta$ 1,4 glycosidic.

Amylopetin and Glycogen are branched polysaccharides linked by the bonds of $\alpha$ 1,4 glycosidic and $\alpha$ 1,6 glycosidic.

Amylopetin and Cellulose are mainly stored in plants.

4 0

3 years ago