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damaskus [11]
2 years ago
7

The first step in the scientific method usually is:

Chemistry
1 answer:
Alja [10]2 years ago
5 0

Answer:

ask a question

Explanation:

You have to ask a question or solve a problem before you can develop a prediction/hypothesis, conduct an experiment or even make a conclusion. The question comes first.

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Earth is approximately 1.5x10^8 km from the sun. The speed of light is 3.0x10^8. How many minutes does it take for light to reac
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1.5 x 10^{8} mm = 1500 x 10^{8} m

1500 x 10^{8} / ( 3.0 x 10^{8} ) = 500 s

500/60 = 8.3 

So approximately it takes 8.5 minutes 


Hope that helps, Good luck! (:<span />
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3 years ago
During science lab, some students added small pieces of magnesium ribbon to 10 mL of hydrochloric acid. They noticed that bubble
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Described the role of electrons in the formation of a covalent bond​
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Sharing of two electrons make a <u>Covalent </u>bond.

<u>Explanation: </u>

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If the attractions between the atoms are strong enough and if every atom has enough space for the electrons in its outermost energy level then there occurs covalent bonding. So electrons are very important in the covalent bond formation.

7 0
3 years ago
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Explanation: See images below for explanation

8 0
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Which of the following is NOT a reason for the experimental volume of the flask to be incorrect?
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Answer:

2

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i dont andesdant

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