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miss Akunina [59]
3 years ago
15

Is a book sitting high upon a shelf a balanced force or an unbalanced force

Chemistry
2 answers:
Art [367]3 years ago
7 0
Balanced force I think
svetlana [45]3 years ago
3 0
Balanced force i believe.
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Convert 26.02 x 1023 molecules of C2H8 to grams. Round your answer to the hundredths place.
aliina [53]

Answer:

x= 138.24 g

Explanation:

We use the avogradro's number

6.023 x 10^23 molecules -> 1 mol C2H8

26.02 x 10^23 molecules -> x

x= (26.02 x 10^23 molecules  * 1 mol C2H8 )/6.023 x 10^23 molecules

x= 4.32 mol C2H8

1 mol C2H8     -> 32 g

4.32 mol C2H8 -> x

x= (4.32 mol C2H8 * 32 g)/ 1 mol C2H8

x= 138.24 g

4 0
3 years ago
What are the three types of protist and how are they similar and how are they different (this is science but there is no tab for
allochka39001 [22]

Answer:

They are eukaryotic, which means they have a nucleus. Most have mitochondria

3 0
2 years ago
Which statements describe how traits are inherited? Check all that apply.
Varvara68 [4.7K]

Answer:

C

Explanation:

Alleles being more minute than genes,can pass on trait similar or different

4 0
3 years ago
The two most abundant elements in earth's core are ?
vesna_86 [32]
The two most abundant elements in Earths core are Iron and Nickel.

Hope this helps!
3 0
3 years ago
Read 2 more answers
The concentration of calcium in a cell is 0.3%. The concentration of calcium in the surrounding fluid is 0.1%. How could the cel
iragen [17]

Answer:

Primary active transport                                                                                              

Explanation:

In a cell, the movement of molecules like calcium ions (Ca²⁺), <em>to a region having high solute concentration from a region having low solute concentration, through the cell membrane requires metabolic energy</em> and is known as Primary active transport.

It is given that the concentration of calcium in the cell (0.3%) is greater than the concentration of calcium in the fluid surrounding the cell (0.1%). <em><u>So the calcium ions move into the cell and the cell obtains more calcium. </u></em>

<u>Therefore, the cell obtains more calcium by the process of Primary active transport.</u>

4 0
3 years ago
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