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kodGreya [7K]
2 years ago
6

Which of the following is a physical model of the Sun? A. an equation that describes the Sun’s motion B. a chart that lists the

temperatures of different parts of the Sun C. a computer program that shows how the Sun changes over time D. a paragraph that describes the Sun’s structure E. a small yellow ball that represents the Sun Reset Next
Chemistry
1 answer:
Bezzdna [24]2 years ago
4 0

Answer:

It would be E. A small yellow ball that represents the Sun Reset Next i got the answer from somebody else

Explanation:

hope this helps :)

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There are 360 degrees in a circle. How many arcminutes will be in 86% of a circle?
Leokris [45]

Answer:

There are 18572.9 arcminutes in 86% of a circle.

Explanation:

The degrees in 86% of a circle is:

degrees = \frac{86}{100}*360 = 309.6 ^{\circ}

Now, we need to find the number of arcminutes in 309.6°:

arcminute = \frac{59.99 arcminute}{1 degree}*309.6 degrees = 18572.9

Therefore, there are 18572.9 arcminutes in 86% of a circle.

I hope it helps you!

3 0
3 years ago
All of the following are examples of electrolytic solutions, except __.
yawa3891 [41]
The answer is B) pure water because pure water is a poor conductor of electricity.. thus a poor electrolyte
4 0
3 years ago
Read 2 more answers
The pH of an unknown strong acid is 2. What<br> is the hydronium ion concentration?
MissTica

Answer: Finding the [H3O+] and pH of Strong and Weak Acid Solutions The larger the Ka, the stronger the acid and the higher the H+ concentration at equilibrium. hydronium ion, H3O+, 1.0, 0.00, H2O, 1.0×10−14, 14.00.

Explanation:The hydrogen ion in aqueous solution is no more than a proton, a bare ... the interaction between H+ and H2O .

8 0
3 years ago
What is the main exception in the atomic radius? Explain.
yarga [219]

Answer:

The atomic radius of atoms generally decreases from left to right across a period. There are some small exceptions, such as the oxygen radius being slightly greater than the nitrogen radius. Within a period, protons are added to the nucleus as electrons are being added to the same principal energy level.

hope this helps!

7 0
3 years ago
What is the pH of solution if the concentration of [H3O+] = 0.000558?
lina2011 [118]

Answer:

3.25

Explanation:

pH = -log[H3O+]

-log(0.000558)=3.25

7 0
3 years ago
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