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Leviafan [203]
3 years ago
12

PLEASE HELP!!

Chemistry
2 answers:
masha68 [24]3 years ago
7 0
The answer is A.) identical. A cell must first make a copy of its genetic information or DNA before it can reproduce. A DNA molecule is made up of a double helix of two complementary strands and is copied to produce two identical DNA molecules in the DNA replication process that occurs within a cell in all living organisms. 
Crank3 years ago
7 0

Answer  A.) identical.

Explanation: i took the test

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The percentage abundance of two isotopes of boron in a natural sample are 80 and 20. The first isotope has 6 neutrons in the nuc
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Explanation:

your answer is in the above attachment.

hope this helps you.

please try to mark my answer as BRAINLIST.

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HELP PLEASE PLEASE I WILL PUT 5 STARS!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Olin [163]
The answer would be "c"
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Given R
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Explanation:

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What is the pH of a solution with (H3O+)=5.6x10-2M?
balu736 [363]

Answer:

Explanation:

Given parameters:

Concentration of H₃O⁺  = 5.6 x 10⁻²M

Solution:

To solve for the concentration of H₃O⁺ in the solution, we simply use the expression below:

            pH = -log₁₀[H₃O⁺]

where [H₃O⁺] =  5.6 x 10⁻²M is the concentration of H₃O⁺

            pH = -log₁₀[5.6 x 10⁻²] = - x -1.25 = 1.25

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3 years ago
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Will give brainliest!
Salsk061 [2.6K]

The given questions belongs to the concept of limiting reagent.

The number of moles of carbon dioxide produced when 4.6 moles of dioxygen reacts is 4.6 moles.

<h3 /><h3>What is Limiting Reagent ?</h3>

The limiting reagent (or limiting reactant or limiting agent) in a chemical reaction is a reactant that is totally consumed when the chemical reaction is completed.

Given ;

Moles of Oxygen = 4.6

To find;

Moles of Carbon di oxide = ?

The reaction that forms CO_2 is as follows:

C(s) + O_2(g) -->  CO_2(g)

This means that O_2 is consumed and  CO_2 is produced in a 1:1 ratio.

If we consume 4.6 mol  O_2, then we produce 4.6 mol  CO_2 .

Hence, 4.6 mol  CO_2 are produced when 4.6 mol of oxygen reacts.

Learn more about Limiting reagent ;

brainly.com/question/27480688

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4 0
2 years ago
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