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hichkok12 [17]
3 years ago
15

How hot is a supergiant star compared to our sun also the size

Chemistry
2 answers:
oee [108]3 years ago
8 0

Answer:

supergiant stars can have masses from 10 to 70 times greater than our sun, and when it comes to Brightness, some of them can be 30,000 times brighter than our sun. the temperature range of supergiant stars spans from around 3,450k to 20,000k.

Romashka-Z-Leto [24]3 years ago
5 0

Answer:

Stars several times more massive then the sun have a simpler, quicker, and more spectacular evolutionary sequence. Because super giants are so massive, the core temperature gets much hotter than in giants, so supergiants can fuse elements heavier than hydrogen and helium.

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A 100.0 ml sample of 0.18 m hclo4 is titrated with 0.27 m lioh. determine the ph of the solution before the addition of any lioh
snow_lady [41]
Thank you for posting your question here at brainly. Below is the solution:

 <span>moles HClO4 = 0.100 L x 0.18 M = 0.018 
moles LiOH = 0.030 L x 0.27 = 0.0081 
moles H+ in excess = 0.018 - 0.0081 = 0.0099 
total volume = 0.130 L 
[H+] = 0.0099/ 0.130= 0.0762 M 
pH = 1.12</span>
3 0
3 years ago
Branches are thrown into a wood chipper and mulch is created. Chemical change or physical change?
murzikaleks [220]

Answer:

it's a physical change

Explanation:

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3 years ago
Which need, want value, or interest was most likely involved in the
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For this question the answer is c
8 0
3 years ago
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What process forms an image in a mirror? Choices: A. absorbing light B. Reflecting light C. Refracting light D. Transmitting lig
Dafna1 [17]

Answer

Using the law of reflection—the angle of reflection equals the angle of incidence—we can see that the image and object are the same distance from the mirror. This is a virtual image, since it cannot be projected—the rays only appear to originate from a common point behind the mirror.

Explanation:

Hope this helps someone

4 0
2 years ago
How much of the original amount of an isotope is present after a period of four half lives
vfiekz [6]

After 2 half-lives there will be 25% (1/4th) of the original isotope, and 75% (3/4 th) of the decay product

<h3>What is Half life period ?</h3>

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It is also defined as, the time it takes to halve the concentration of something in a process.

Each half life you will have half of what you had at the beginning of a given half life.

Learn more about half life here ;

brainly.com/question/9654500

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