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4 years ago

Why is it easier to float in the sea than freshwater?

Chemistry

1 answer:

natali 33 [55]4 years ago

5 0

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Help pls

nekit [7.7K]

Answer:

it's answer is c) Attraction,solids

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2 years ago

Which option can be classified as a pure substance

Zina [86]

I have done this question before and even though you didn’t provide the options. I think the correct option is elements

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4 years ago

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What is the first step in the scientific process?

maxonik [38]

$\quad \huge \quad \quad \boxed{ \tt \:Answer }$

$\qquad \texttt {Observe a natural phenomenon}$

____________________________________

$\large \tt Explanation \: :$

At first scientists/researchers observe a natural phenomenon. after enough observation, they make predictions why that phenomenon is happening and the reasons that lead to that particular phenomenon. then they generate scientific hypothesis to explain that phenomenon and after getting enough data they develop tests and perform experiments. And check the results they get and at last based on the results they conclude what actually is happening.

Answered by : ❝ AǫᴜᴀWɪᴢ ❞

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2 years ago

Balancing Chemical Equation<br> C=H2=CH4

svlad2 [7]

Answer:

C + 2H2 ⇒ CH4

Explanation:

In order to balance a chemical equation you need to make sure that the number of atoms on both sides are equal

C + H2 = CH4

C = 1

H = 2

Products:

C = 1

H = 4

H2 = 2 × 2 = 4

C + 2H2 ⇒ CH4

Hope this helps.

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3 years ago

Explain how the understanding of atomic emission spectrum led to development of the atomic theory? ( 4 points)

-Dominant- [34]

Well, all of this we owe it to Bohr who analyzed the atomic emission spectrum of hydrogen and he could probe matematically that it was a result of movement of e- from an especific energy level to a lower one. The understanding of levels of energy took to the development of the atomic theory

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3 years ago

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