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kenny6666 [7]
3 years ago
10

An atom of copper (cu) has a mass number of 63 and an atomic number of 29. how many protons does it have?

Chemistry
2 answers:
Galina-37 [17]3 years ago
6 0
The total number of protons in Copper is 29. 
Dmitry_Shevchenko [17]3 years ago
4 0

Answer: 29

Explanation:

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Which best defines color?
katrin [286]

Answer:

its A

Explanation:

The definition of color is a component of light which is separated when it is reflected off of an object. The appearance of objects or light sources described in terms of the individual's perception of them, involving hue, lightness, and saturation for objects, and hue, brightness, and saturation for light sources.

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2 years ago
If a snail crawls at 0.013 m/s north, how far will it travel in 60 seconds? Find time.
inessss [21]
It will have traveled 0.78 m. You find this by multiplying .013 by 60
8 0
3 years ago
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you are running a transformation reaction, and in your microfuge tube currently is your plasmid and your insert fragments (both
ElenaW [278]

A foreign DNA molecule can be incorporated into a bacterial plasmid during a transformation reaction.

<h3>How to explain the reaction?</h3>

With the aid of two enzymes, ligase and restriction enzymes, a foreign DNA molecule can be incorporated into a bacterial plasmid during a transformation reaction. Each enzyme detects a target DNA sequence and cuts it nearby, while ligase aids in connecting the DNA. When two bits of DNA have complimentary bases, it facilitates their joining.

Plasmid and the insert fragment are both present in the microfuge tube, and they both have compatible sticky ends. However, the ligase has been denatured and is no longer active because the prior student left it outside rather than freezing it; despite this, we had already put the ligase into the tube. Ligase aids in binding the plasmid and insert fragments together, but because it is denatured in this instance, it will no longer be able to do so. As a result, no transformation process will take place. And since ligase links DNA fragments together by catalyzing the development of connections between the nearby nucleotides, the two fragments will not be able to unite.

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4 0
1 year ago
Which segement of the heating curve shown above represents an increase in the potential energy, but no change in the kinetic ene
Ede4ka [16]

Answer: Option (b) is the correct answer.

Explanation:

Kinetic energy is defined as the energy obtained by the molecules of an object due to their motion.

Also, it is known that kinetic energy is directly proportional to temperature.

Mathematically,       K.E = \frac{3}{2}kT

where,             T = temperature

Whereas potential energy is defined as the energy obtained by an object due to its position.

Mathematically,      P.E = mgh

where,             m = mass

                        g = acceleration due to gravity

                        h = height

Therefore, in the given curve when temperature remains constant then kinetic energy of molecules will also remain.

Hence, we can conclude that the segment QR represents an increase in the potential energy, but no change in the kinetic energy.

7 0
3 years ago
Who started a colony for the Quakers? A) John Smith B) Lord Baltimore C) William Penn D) Sir George Carteret
vovikov84 [41]

Answer:

William Penn

Explanation:

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3 years ago
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