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sergij07 [2.7K]
3 years ago
14

1. If you are 2.3 meters tall, what is your height in inches?

Chemistry
1 answer:
Alik [6]3 years ago
7 0
90.5 inches bsbsjannebdhanwbshajnx
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Which elements has the largest atomic radius
Debora [2.8K]
It is Francium sonnnnnn
4 0
3 years ago
How many neutrons and protons are there in the nuclei of the following atoms. a. Li-7 b. O-16 c. Th-232 d. Pu-239
ANEK [815]

Answer:

a.

P = 3 , N = 4

b.

P = 8 , N = 8

c.

P = 90 , N = 142

d.

P = 94 , N = 145

Explanation:

Mass number  = Number of protons + Number of neutrons

Also,

Atomic number = Number of protons

<u>Li - 7</u>

Given, Mass number of Lithium = 7

For lithium, atomic number = 3

So,

Number of protons = 3

Number of neutrons = Mass number - Number of protons = 7 - 3 = 4

<u>O - 16</u>

Given, Mass number of oxygen = 16

For oxygen, atomic number = 8

So,

Number of protons = 8

Number of neutrons = Mass number - Number of protons = 16 - 8 = 8

<u>Th - 232</u>

Given, Mass number of Thorium = 232

For Thorium, atomic number = 90

So,

Number of protons = 90

Number of neutrons = Mass number - Number of protons = 232 - 90 = 142

<u>Pu - 239</u>

Given, Mass number of Plutonium = 239

For Plutonium, atomic number = 94

So,

Number of protons = 94

Number of neutrons = Mass number - Number of protons = 239 - 94 = 145

3 0
3 years ago
Pick a "for every" statement about copper and silver nitrate for this reaction.
maxonik [38]

From the equation of the reaction; for every 1 mole of copper, the reaction uses 2 moles of silver nitrate.

<h3>What is a reaction?</h3>

A chemical reaction involves the transformation of one chemical specie into another. The reaction is not shown here hence the question is incomplete.

However, the reaction should be of the sort; Cu + 2AgNO3 ---> Cu(NO3)2 + Cu. Thus, for every 1 mole of copper, the reaction uses 2 moles of silver nitrate.

Learn more about chemical reaction: brainly.com/question/6876669

8 0
2 years ago
What is understanding culture society and UCSPC?​
Rainbow [258]

Answer:

<em>Understanding Culture, Society, and Politics uses multidisciplinal insights from anthropology, political science, and sociology to develop student awareness of cultural, social, and political dynamics and sensitivity to cultural diversity.</em>

Explanation:

<em>I </em><em>hope</em><em> it</em><em> will</em><em> help</em><em> you</em><em>.</em><em>.</em><em>.</em>

<em>#</em>CARRYONLERANING

6 0
2 years ago
What is the kinetic energy of a 10 kg object that has a velocity of 1.5 m/s
katen-ka-za [31]

Answer: 11.25 J

Explanation: Kinetic energy is expressed as the product of mass and the squared of velocity divided by 2.

3 0
3 years ago
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