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ozzi
3 years ago
11

Based on this graph, select all correct responses pertaining to metal A and metal B.

Chemistry
2 answers:
Sindrei [870]3 years ago
7 0

Answer:

I dont understand what your asking

Explanation:

Amiraneli [1.4K]3 years ago
3 0

Answer:

The graph does not appear.

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Complete the chemical equation for the formation reaction of ethyl alcohol (C2H5OH,l) from its constituent elements in their sta
oee [108]

Answer:

2C(s, graphite)+ 3H₂(g) + ½O₂(g) ⟶ C₂H₅OH(ℓ)  

Explanation:

The thermodynamic standard state of elements and compounds is defined as their most stable state at 25 °C and 1 bar

The elements in ethanol, C₂H₅OH, are C, H, and O.

Their most stable states at standard conditions are C₂H₅OH(ℓ), C(s, graphite), H₂(g), and O₂(g)

The equation for the formation of ethanol from its elements is  then

2C(s, graphite) + 3H₂(g) + ½O₂(g) ⟶ C₂H₅OH(ℓ)

4 0
3 years ago
I love greglove3memes 4 evr
mars1129 [50]

Answer:

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Explanation:

3 0
3 years ago
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Which of the following reactions could be used to power a battery because of the transfer of electrons?
Trava [24]

Answer is: Zn + Cu2+ → Zn2+ + Cu.

In this chemical reaction, there is transfer of electrons from zinc (Zn) to copper (Cu). Zinc change oxidation number from 0 to +2 (lost electrons) and copper change oxidation number from +2 to 0 (gain electrons).

Oxidation half reaction: Zn⁰ → Zn²⁺ + 2e⁻.

Reduction half reaction: Cu²⁺ + 2e⁻ → Cu⁰.

In other chemical reactions, there is no change of oxidation number of elements.

3 0
3 years ago
Select the true statements about protein secondary structure.
netineya [11]

Answer:

The α‑helix is held together by hydrogen bonds between the amide N−H and C=O groups.

Disulfide bonds stabilize secondary structure.

Explanation:

Proteins have primary, secondary, tertiary and quartinary structures.

The secondary structure of a protein is the regular, recurring sequence of amino acid in a polypeptide chain. Secondary structure of proteins give rise to the folding observed in the structure of a protein.

The major secondary structures of a protein are α-helices and β-structures.

7 0
3 years ago
Answer fast and I’ll give BRAINLIEST please and thank you!! IT WOULD HELP ALOT IF U DONT RUSH AND ANSWER CORRECTLY
andrezito [222]

Answer:

i am thinking that they will be extinct

Explanation:

if their habitat is dying then they are dying and it would be sad

3 0
4 years ago
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