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AnnZ [28]
2 years ago
5

Light, heat, and ultraviolet radiation are types of ___ produces by stars

Chemistry
1 answer:
Charra [1.4K]2 years ago
6 0

Answer:

energy

Explanation:

Those are all forms of energy

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An electrochemical cell has the following standard cell notation.
icang [17]

The cell notation is:

Mg(s)|Mg^{+2}(aq)||Ag^{+}(aq)|Ag(s)

here in cell notation the left side represent the anodic half cell where right side represents the cathodic half cell

in anodic half cell : oxidation takes place [loss of electrons]

in cathodic half cell: reduction takes place [gain of electrons]

1) this is a galvanic cell

2) the standard potential of cell will be obtained by subtracting the standard reduction potential of anode from cathode

E^{0}_{Mg}=-2.38V

E^{0}_{Ag}=+0.80V

Therefore

E^{0}_{cell}=0.80-(-2.38)=+3.18V

3) as the value of emf is positive the reaction will be spontaneous as the free energy change of reaction will be negative

ΔG^{0}=-nFE^{0}

As reaction is spontaneous and there will be conversion of chemical energy to electrical energy it is a galvanic cell.

7 0
2 years ago
Waves move out through the ground from the source of an<br> earthquake.<br> True<br> ► False
goblinko [34]

I believe the answer would be true

3 0
3 years ago
In an experiment, the molar mass of the compound was determined to be 118.084 g/mol. What is the molecular formula of the compou
pishuonlain [190]

Answer:

Succinic acid

Explanation:

The most common possibility is succinic acid

As it has decimals after whole no till hundredth it contains OH and C in most of the cases .

Let's check for succinic acid

  • C4H_6O_6
  • 4(12)+4(16)+6
  • 64+48+6
  • 118u

Yes approximately equal

Molecular formula is.

(CH_2)_2(CO_2H)_2

3 0
2 years ago
How many protons are in the nucleus of this atom?<br> What is the mass number of this atom?
Anettt [7]
Ummmmmmmmmmmmmmmmmmmmmmmmm, 21

3 0
3 years ago
How is a compound different than a
Step2247 [10]

B

A mixture can be separated by a physical means because there is no chemical bond between the constituents

6 0
1 year ago
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