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professor190 [17]
2 years ago
13

Which best illustrates the way in which radiation transfers thermal energy?

Chemistry
2 answers:
Xelga [282]2 years ago
7 0

Answer:

B or the second answer.

Explanation:

It's heat transfer and the objects aren't directly touching. B is the only answer that fits.

Hope this helps!

n200080 [17]2 years ago
4 0

Answer:

b

Explanation:

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What is the amount of aluminum chloride produced from 40 moles of aluminum and excess chlorine?
Marrrta [24]

Answer:

is it 26.98

Explanation:

6 0
2 years ago
What are the half-reactions for a galvanic cell with Zn and Mg electrodes?
Alona [7]

the half-reactions

cathode : Zn²⁺ (aq) + 2e⁻ ---> Zn (s)  

anode : Mg (s) → Mg²⁺ (aq) + 2e−

a balanced cell reaction

Zn²⁺(aq) + Mg(s)→ Zn(s) + Mg²⁺ (aq)

<h3 /><h3>Further explanation</h3>

Given

Zn and Mg electrodes

Required

The half-reactions for a galvanic cell

Solution

To determine the reaction of a voltaic cell, we must determine the metal that serves as the anode and the metal that serves as the cathode.

To determine this, we can either know from the standard potential value of the cell or use the voltaic series

1. voltaic series

<em>Li-K-Ba-Ca-Na-Mg-Al-Mn- (H2O) -Zn-Cr-Fe-Cd-Co-Ni-Sn-Pb- (H) -Cu-Hg-Ag-Pt-Au </em>

The more to the left, the metal is more reactive (easily release electrons) and the stronger reducing agent

So the metal on the left will easily undergo oxidation and function as anode

Since Mg is located to the left of Zn, then Mg functions as anode and Zn as a cathode

2. Standard potentials cell of Mg and Zn metals :

Mg2+ + 2e– → Mg E° = -2,35 V

Zn2+ + 2e– → Zn E° = -0,78 V

The anode has a smaller E°, then Mg is the anode and Zn is the cathode.

7 0
3 years ago
Identify two natural hazards that are more likely to occur in Maryland
tamaranim1 [39]

Answer:

snow storm and a blizzard

Explanation:

7 0
2 years ago
4. On the island of Hawaii, Keanu notices that the sand on the beach is black, the same color as the
Colt1911 [192]

Answer:

The ricks were degraded over time by wind and water and were crushed down into tiny, smaller rocks, which is sand.

Explanation:

This is my first answer sorry im not that smart

3 0
3 years ago
______ occur between molecules that have permanent intramolecular differences in elecronegativity.
Yuri [45]
The answer is dipole dipole interactions
5 0
3 years ago
Read 2 more answers
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