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andre [41]
3 years ago
12

What are the two factors that affect the strength of gravity

Chemistry
1 answer:
denis-greek [22]3 years ago
7 0

The strength of the gravitational force between two objects depends on two factors, mass and distance. the force of gravity the masses exert on each other. If one of the masses is doubled, the force of gravity between the objects is doubled. increases, the force of gravity decreases.

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In the polypeptide Phe-Tyr-Glu-Asp-Ser-Ile-Leu-Ser what is the N-terminal amino acid?
avanturin [10]

Answer:

N-terminal Phe, C-terminal Ser

Explanation:

Amino acids connect like

NH2 -CH(R1) -CO -NH-CH(R2)-CO-.....-NH-CH(Rn)COOH

So, 1st amino acid is N -terminal , and it is Phe.

Last amino acid is C- terminal, and it is Ser.

7 0
3 years ago
What is an easy science subject to write an 8 page essay on?
WINSTONCH [101]
Calculating speed or atoms and molecules or planets!




Hope i helped plz mark as brainlist!
8 0
3 years ago
Read 2 more answers
what property easily changes in gases but does not easily change in solids a.mass b.color c.shape d.smell
liq [111]

C. Shape, because increasing pressure has a profound influence on the volume of a gas sample, for example, it pushes the particles closer together; thus gases are considered compressible.  

8 0
3 years ago
Two voltaic cells are to be joined so that one will run the other as an electrolytic cell. In the first cell, one half-cell has
Alik [6]

The metal that plates out in the electrolytic cell is zinc. The mass of zinc deposited is 0.996 g.

<h3>What is an electrolytic cell?</h3>

An electrolytic cell converts electrical energy into chemical energy. Unlike galvanic cells, electrons in electrolytic cells move in the opposite direction.

Similar to a galvanic cell, an electrolytic cell has two distinct half-cells: an oxidation half-cell and a reduction half-cell.

In an electrolytic cell, the flow of electrons from the anode, where oxidation takes place, to the cathode, where reduction takes place.

It is fueled by an external source of power (such as a battery) as the reaction in electrolytic cells is not spontaneous, an external source of electrical energy is required.

The reactions for each half cell are given by

Au^{3+}(aq) + 3e^- \rightleftharpoons Au(s) E° = 1.50 V

Cr^{3+}(aq) + 3e^- \rightleftharpoons Cr(s) E° = –0.74 V

Co^{2+}(aq) + 2e^- \rightleftharpoons Co(s) E° = –0.28 V

Zn^{2+}(aq) + 2e^- \rightleftharpoons Zn(s) E° = –0.76 V

According to Faraday's law, when two or more electrolytic cells are connected in series the mass of the substance deposited is directly proportional to its equivalent mass.

Equivalent mass of Au, E_{Au} = Molar mass/no. of moles of electrons transferred

                                      = \frac{197}{3} = 65.67

Equivalent mass of Zinc, E_{Zn} = 65.41/2 = 32.705

\frac{m_{Zn}}{m_{Au }}  = \frac{E_{Zn}}{E_{Au}}

m_{Zn} = \frac{32.705}{65.67} \times 2.00 = 0.996 g

Hence, the mass of Zn deposited is 0.996 g.

Learn more about an electrolytic cell:

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7 0
1 year ago
Which group of archaea are chemoautotrophic anaerobes that use hydrogen as an electron donor and sulfur compounds as terminal el
vodomira [7]

The group of archaea that are chemoautotrophic anaerobes that use hydrogen as an electron donor and sulfur compounds as terminal electron acceptors are the

Thermoacidophiles.

<h3>What are chemoautotrophic anaerobes?</h3>

The chemoautotrophic anaerobes are those organisms that derive energy for survival through the reduction of the following compounds:

  • CO2 to CH4, or

  • SO4 to H2S.

Thermoacidophiles is a typical example of the group of archaea that are chemoautotrophic anaerobes that use hydrogen as an electron donor and sulfur compounds as terminal electron acceptors.

Learn more about anaerobes here:

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7 0
2 years ago
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